[pgpool-hackers: 506] Re: penultimate patch for exception and memory manager ( EXCEPTION_MGR branch)
Tatsuo Ishii
ishii at postgresql.org
Sun Apr 27 12:35:17 JST 2014
Hi Usama,
I tested the EXCEPTION_MGR head and it successfully passed the
regression test. Could you please execute "git rebase master" against
EXCEPTION_MGR branch and fix conflicts? After that I will merge
EXCEPTION_MGR to the master branch.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp
> Hi
>
> I have fixed the compiler warnings and pushed the changes in exception
> manager branch.
> The changes I have made are also attached as patch
>
> --Usama
>
>
>
> On Sat, Apr 19, 2014 at 7:21 PM, Ahsan Hadi <ahsan.hadi at enterprisedb.com>wrote:
>
>>
>>
>>
>> On Sat, Apr 19, 2014 at 1:39 PM, Tatsuo Ishii <ishii at postgresql.org>wrote:
>>
>>> > On Sat, Apr 19, 2014 at 7:26 AM, Tatsuo Ishii <ishii at postgresql.org>
>>> wrote:
>>> >
>>> >> Hi Usama,
>>> >>
>>> >> I have done the test today and all tests passed. Great!
>>> >>
>>> >
>>> > great news...
>>> >
>>> > what the remaining to do's before we commit this to the master branch?
>>>
>>> I think Usama is working on fixing compiler warnings.
>>>
>>>
>> Yeah Usama is planning to send a patch for compiler warnings on Monday.
>>
>>
>>> Best regards,
>>> --
>>> Tatsuo Ishii
>>> SRA OSS, Inc. Japan
>>> English: http://www.sraoss.co.jp/index_en.php
>>> Japanese: http://www.sraoss.co.jp
>>>
>>> >> > Thanks for the fix. I'm going to test it this weekend.
>>> >> >
>>> >> > Best regards,
>>> >> > --
>>> >> > Tatsuo Ishii
>>> >> > SRA OSS, Inc. Japan
>>> >> > English: http://www.sraoss.co.jp/index_en.php
>>> >> > Japanese: http://www.sraoss.co.jp
>>> >> >
>>> >> >> Hi Tatsuo
>>> >> >>
>>> >> >> I was able to reproduce and fix the regression issue which was
>>> halting
>>> >> the
>>> >> >> 055.backend_all_backend case. The issue was with the faulty logic in
>>> >> >> find_primary_node function in which I had made a mistake to put the
>>> try
>>> >> >> catch block inside the loop. I have checked-in the fix in
>>> EXCEPTION_MGR
>>> >> >> branch and the patch for that is also attached with the mail.
>>> >> >> The patch also makes some adjustments when we report an error from
>>> >> wait()
>>> >> >> system call. as "EINTR" (Interrupted system call) is not an actual
>>> >> error.
>>> >> >> So with the current patch wait() loop is not terminated when wait()
>>> call
>>> >> >> failed with EINTR errno.
>>> >> >>
>>> >> >> I will be removing the compiler warnings as a separate patch.
>>> >> >>
>>> >> >> Thanks
>>> >> >> --usama
>>> >> >>
>>> >> >>
>>> >> >> On Mon, Apr 7, 2014 at 4:54 PM, Muhammad Usama <m.usama at gmail.com>
>>> >> wrote:
>>> >> >>
>>> >> >>> Hi Tatsuo
>>> >> >>>
>>> >> >>> Thanks for testing the Exception manager branch. I have pushed the
>>> >> merge
>>> >> >>> and now the branch is up-to date with the master branch. I am
>>> looking
>>> >> into
>>> >> >>> the issue you are getting with the regression and compiler
>>> warnings and
>>> >> >>> will update you on this.
>>> >> >>>
>>> >> >>> Regarding your comment. "Looking at your commit, it seems there are
>>> >> some
>>> >> >>> unresolved conflicts."
>>> >> >>> All the conflicts were resolved in the brach when the merge was
>>> pushed.
>>> >> >>> The git log message is only informing about the conflicts
>>> >> >>> which occurred during the merge, but I had resolved all the
>>> conflicts
>>> >> >>> before committing the merge.
>>> >> >>>
>>> >> >>> Thanks
>>> >> >>> Usama
>>> >> >>>
>>> >> >>>
>>> >> >>> On Sun, Apr 6, 2014 at 4:43 AM, Tatsuo Ishii <ishii at postgresql.org
>>> >
>>> >> wrote:
>>> >> >>>
>>> >> >>>> Usama,
>>> >> >>>>
>>> >> >>>> Finally I had a chance to EXCEPTION_MGR branch on Cent OS 6.5.1.
>>> >> >>>> (51101226e1ba8b4feaca4ac4a01fcd4528f4c8a).
>>> >> >>>>
>>> >> >>>> 1) there are number of compiler warnings.
>>> >> >>>>
>>> >> >>>> 2) regression test 055.backend_all_backend does not pass (hungs)
>>> >> >>>>
>>> >> >>>> Here is the pgpool log when it hungs:
>>> >> >>>>
>>> >> >>>> 2014-04-06 08:19:20: pid 16130: LOG: failover: set new primary
>>> node:
>>> >> -1
>>> >> >>>> 2014-04-06 08:19:20 LOG: pid: 16212 worker process received
>>> restart
>>> >> >>>> request
>>> >> >>>> 2014-04-06 08:19:20: pid 16130: LOG: failover done. shutdown host
>>> >> >>>> /tmp(11001)
>>> >> >>>> 2014-04-06 08:19:21 LOG: pid: 16211 pcp child process received
>>> >> restart
>>> >> >>>> request
>>> >> >>>> 2014-04-06 08:19:21: pid 16130: LOG: PCP child 16211 exits with
>>> >> status
>>> >> >>>> 256 in failover()
>>> >> >>>> 2014-04-06 08:19:21: pid 16130: LOG: fork a new PCP child pid
>>> 16277
>>> >> in
>>> >> >>>> failover()
>>> >> >>>> 2014-04-06 08:19:21: pid 16130: LOG: worker child 16212 exits
>>> with
>>> >> >>>> status 256
>>> >> >>>> 2014-04-06 08:19:21: pid 16130: LOG: fork a new worker child pid
>>> >> 16278
>>> >> >>>> 2014-04-06 08:19:21: pid 16130: LOG: health checking retry count
>>> 3
>>> >> >>>> 2014-04-06 08:19:21: pid 16130: LOG: received fast shutdown
>>> request
>>> >> >>>> 2014-04-06 08:19:21: pid 16278: WARNING: child_exit: called from
>>> >> invalid
>>> >> >>>> process. ignored.
>>> >> >>>> 2014-04-06 08:19:21: pid 16277: WARNING: child_exit: called from
>>> >> invalid
>>> >> >>>> process. ignored.
>>> >> >>>> 2014-04-06 08:19:26: pid 16130: LOG: received fast shutdown
>>> request
>>> >> >>>> 2014-04-06 08:19:41 ERROR: pid: 16130 wait() failed.
>>> >> reason:Interrupted
>>> >> >>>> system call
>>> >> >>>>
>>> >> >>>> pid 16130 is pgpool main process and it loops forever:
>>> >> >>>>
>>> >> >>>> 20 0x000000370a20f1d4 in wait () from /lib64/libpthread.so.0
>>> >> >>>> #1 0x0000000000406987 in terminate_all_childrens (code=<value
>>> >> optimized
>>> >> >>>> out>,
>>> >> >>>> arg=<value optimized out>) at main/pgpool_main.c:787
>>> >> >>>> #2 system_will_go_down (code=<value optimized out>, arg=<value
>>> >> optimized
>>> >> >>>> out>)
>>> >> >>>> at main/pgpool_main.c:2512
>>> >> >>>> #3 0x000000000045d4ea in proc_exit_prepare (code=-1)
>>> >> >>>> at utils/error/elog.c:2301
>>> >> >>>> #4 0x0000003709e35e22 in exit () from /lib64/libc.so.6
>>> >> >>>> #5 0x00000000004066fa in system_exit (sig=2) at
>>> >> main/pgpool_main.c:803
>>> >> >>>> #6 exit_handler (sig=2) at main/pgpool_main.c:1004
>>> >> >>>> #7 <signal handler called>
>>> >> >>>> #8 0x000000370a20f1d2 in wait () from /lib64/libpthread.so.0
>>> >> >>>> #9 0x00000000004066c4 in exit_handler (sig=2) at
>>> >> main/pgpool_main.c:998
>>> >> >>>> #10 <signal handler called>
>>> >> >>>> #11 0x0000003709e32be0 in sigprocmask () from /lib64/libc.so.6
>>> >> >>>> #12 0x0000000000408933 in PgpoolMain (discard_status=<value
>>> optimized
>>> >> >>>> out>,
>>> >> >>>> clear_memcache_oidmaps=<value optimized out>) at
>>> >> >>>> main/pgpool_main.c:408
>>> >> >>>> #13 0x0000000000404660 in main (argc=<value optimized out>,
>>> >> >>>> argv=<value optimized out>) at main/main.c:319
>>> >> >>>>
>>> >> >>>> pgpool_main.c:787 is here:
>>> >> >>>> ----------------------------------------------------
>>> >> >>>> /* wait for all children to exit */
>>> >> >>>>
>>> >> >>>> while (wait(NULL) > 0); <--- 787
>>> >> >>>> if (errno != ECHILD)
>>> >> >>>> ereport(LOG,
>>> >> >>>> (errmsg("wait() failed. reason:%s",
>>> >> strerror(errno))));
>>> >> >>>> --------------------------------------------------------
>>> >> >>>>
>>> >> >>>> It seems pgpool is waitng for children which are not exiting.
>>> >> >>>>
>>> >> >>>> Here are pgpool related processes which remain at the point:
>>> >> >>>>
>>> >> >>>> 16130 pts/1 S+ 0:00
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> -D -n -f
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pgpool.conf
>>> >> >>>> -F
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pcp.conf
>>> >> >>>> -a
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pool_hba.conf
>>> >> >>>> 16172 pts/1 S+ 0:00
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> -D -n -f
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pgpool.conf
>>> >> >>>> -F
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pcp.conf
>>> >> >>>> -a
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pool_hba.conf
>>> >> >>>> 16234 pts/1 S+ 0:00 /bin/sh
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/follow_master.sh
>>> >> >>>> 1 /tmp 11001
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/data1
>>> >> >>>> 1 0 /tmp 0
>>> >> >>>> 16276 pts/1 S+ 0:00
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> -f
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pgpool.conf
>>> >> >>>> -m f stop
>>> >> >>>> 16281 pts/1 S+ 0:00
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> -f
>>> >> >>>>
>>> >>
>>> /home/vagrant/src/pgpool2-5511012/src/test/regression/tests/055.backend_all_down/testdir/etc/pgpool.conf
>>> >> >>>> -m f stop
>>> >> >>>> 16584 pts/2 S+ 0:00 grep pgpool
>>> >> >>>>
>>> >> >>>> I have no idea what's wrong so far...
>>> >> >>>>
>>> >> >>>> Best regards,
>>> >> >>>> --
>>> >> >>>> Tatsuo Ishii
>>> >> >>>> SRA OSS, Inc. Japan
>>> >> >>>> English: http://www.sraoss.co.jp/index_en.php
>>> >> >>>> Japanese: http://www.sraoss.co.jp
>>> >> >>>>
>>> >> >>>>
>>> >> >>>> From: Muhammad Usama <m.usama at gmail.com>
>>> >> >>>> Subject: Re: penultimate patch for exception and memory manager (
>>> >> >>>> EXCEPTION_MGR branch)
>>> >> >>>> Date: Tue, 1 Apr 2014 20:25:34 +0500
>>> >> >>>> Message-ID: <CAEJvTzVcOR2GLF9+ekP5_iLyi3=
>>> >> >>>> 4vCc4Go+oypd1L+sRg7hjJg at mail.gmail.com>
>>> >> >>>>
>>> >> >>>> > Hi Tatsuo,
>>> >> >>>> >
>>> >> >>>> > I haven't had any success in reproducing the issue you
>>> encountered
>>> >> with
>>> >> >>>> my
>>> >> >>>> > patch, the regression runs cleanly on my end. I have therefore
>>> >> committed
>>> >> >>>> > the patch in the EXCEPTION_MGR branch so I can continue with the
>>> >> >>>> remaining
>>> >> >>>> > work on the memory manger front and will apply the fix for the
>>> >> problem
>>> >> >>>> once
>>> >> >>>> > it is fixed as a patch.
>>> >> >>>> >
>>> >> >>>> > Thanks
>>> >> >>>> > Usama
>>> >> >>>> >
>>> >> >>>> >
>>> >> >>>> >
>>> >> >>>> > On Thu, Mar 27, 2014 at 8:32 PM, Muhammad Usama <
>>> m.usama at gmail.com>
>>> >> >>>> wrote:
>>> >> >>>> >
>>> >> >>>> >> Hi Tatsuo.
>>> >> >>>> >>
>>> >> >>>> >> I am looking into the problem of double free reported by you.
>>> but
>>> >> I am
>>> >> >>>> >> unable to reproduce the scenario at my end. I tried the
>>> regression
>>> >> on
>>> >> >>>> Linux
>>> >> >>>> >> Ubuntu x86_64 and on OS/X and regression is clean on both
>>> systems.
>>> >> Can
>>> >> >>>> you
>>> >> >>>> >> please tell me if you can always produce the problem or with
>>> some
>>> >> >>>> specific
>>> >> >>>> >> configure switches.
>>> >> >>>> >> And if it is possible for you to send me the stack trace with
>>> >> symbols
>>> >> >>>> for
>>> >> >>>> >> the problem that would be really helpful for identifying the
>>> exact
>>> >> >>>> issue.
>>> >> >>>> >>
>>> >> >>>> >> thanks
>>> >> >>>> >> Muhammad Usama
>>> >> >>>> >>
>>> >> >>>> >>
>>> >> >>>> >> On Wed, Mar 19, 2014 at 6:20 PM, Muhammad Usama <
>>> m.usama at gmail.com
>>> >> >
>>> >> >>>> wrote:
>>> >> >>>> >>
>>> >> >>>> >>> Hi Tatsuo
>>> >> >>>> >>>
>>> >> >>>> >>> Sorry for the delay. I was stuck in some other work, and now
>>> I am
>>> >> >>>> >>> resuming the work on this patch. For some reason regression
>>> was
>>> >> >>>> working
>>> >> >>>> >>> fine on my machine when I sent out the patch but will send
>>> you the
>>> >> >>>> updated
>>> >> >>>> >>> patch after figuring out the problem.
>>> >> >>>> >>>
>>> >> >>>> >>>
>>> >> >>>> >>> Thanks
>>> >> >>>> >>> Usama
>>> >> >>>> >>>
>>> >> >>>> >>>
>>> >> >>>> >>>
>>> >> >>>> >>> On Wed, Feb 19, 2014 at 9:23 AM, Tatsuo Ishii <
>>> >> ishii at postgresql.org
>>> >> >>>> >wrote:
>>> >> >>>> >>>
>>> >> >>>> >>>> Usama,
>>> >> >>>> >>>>
>>> >> >>>> >>>> Thanks for the explanation.
>>> >> >>>> >>>>
>>> >> >>>> >>>> BTW, I ran a reggression test against EXEC_MANAGER branch
>>> and got
>>> >> >>>> >>>> serious problems.
>>> >> >>>> >>>>
>>> >> >>>> >>>> testing 003.failover...*** glibc detected *** pgpool: worker
>>> >> process:
>>> >> >>>> >>>> free(): invalid pointer: 0x00000000007756c8 ***
>>> >> >>>> >>>>
>>> >> >>>> >>>> testing 055.backend_all_down...*** glibc detected ***
>>> >> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool:
>>> >> >>>> >>>> double free or corruption (!prev): 0x000000000075c050 ***
>>> >> >>>> >>>>
>>> >> >>>> >>>> [ and regression test hangs]
>>> >> >>>> >>>>
>>> >> >>>> >>>> Detailed log attached.
>>> >> >>>> >>>>
>>> >> >>>> >>>> Best regards,
>>> >> >>>> >>>> --
>>> >> >>>> >>>> Tatsuo Ishii
>>> >> >>>> >>>> SRA OSS, Inc. Japan
>>> >> >>>> >>>> English: http://www.sraoss.co.jp/index_en.php
>>> >> >>>> >>>> Japanese: http://www.sraoss.co.jp
>>> >> >>>> >>>>
>>> >> >>>> >>>> > On Thu, Feb 13, 2014 at 3:49 AM, Tatsuo Ishii <
>>> >> >>>> ishii at postgresql.org>
>>> >> >>>> >>>> wrote:
>>> >> >>>> >>>> >
>>> >> >>>> >>>> >> Usama,
>>> >> >>>> >>>> >>
>>> >> >>>> >>>> >> Thanks for your hard work.
>>> >> >>>> >>>> >>
>>> >> >>>> >>>> >> One thing I noticed is, you moved src/tools/pcp to
>>> >> src/utils/pcp.
>>> >> >>>> Is
>>> >> >>>> >>>> >> there any reason for this?
>>> >> >>>> >>>> >>
>>> >> >>>> >>>> >
>>> >> >>>> >>>> > Since the pgpool binary and pcp tool binaries all requires
>>> the
>>> >> >>>> >>>> functions
>>> >> >>>> >>>> > defined in pcp_stream.c for reading and writing to pcp
>>> >> streams. But
>>> >> >>>> >>>> with
>>> >> >>>> >>>> > the arrival of memory manager API in pgpool, pcp stream
>>> >> functions
>>> >> >>>> >>>> requires
>>> >> >>>> >>>> > to distinguish between calls made from pgpool and pcp
>>> tools.
>>> >> As we
>>> >> >>>> >>>> need to
>>> >> >>>> >>>> > create reading and writing buffers in specific
>>> MemoryContexts
>>> >> when
>>> >> >>>> the
>>> >> >>>> >>>> > function is invoked from pgpool, and as pcp tools does not
>>> >> have a
>>> >> >>>> >>>> concept
>>> >> >>>> >>>> > of MemoryContext so the step of selecting a MemoryContext
>>> >> before
>>> >> >>>> >>>> allocating
>>> >> >>>> >>>> > a memory needed to be skipped when in pcp tools
>>> environment.
>>> >> >>>> >>>> >
>>> >> >>>> >>>> > To achieve the above, the patch makes the libpcp exclusive
>>> for
>>> >> the
>>> >> >>>> tool
>>> >> >>>> >>>> > binaries only (compile with POOL_PRIVATE flag) and now
>>> pgpool
>>> >> uses
>>> >> >>>> the
>>> >> >>>> >>>> > pcp_stream.c function directly and no longer has the
>>> >> dependancy on
>>> >> >>>> the
>>> >> >>>> >>>> lib.
>>> >> >>>> >>>> >
>>> >> >>>> >>>> > To make this new arrangement visible in pgpool source
>>> directory
>>> >> >>>> >>>> structure
>>> >> >>>> >>>> > the patch rearranges the source code organisation and
>>> moves the
>>> >> >>>> >>>> > pcp_stream.c and pcp_error.c files to src/utils/pcp from
>>> >> >>>> src/lib/pcp
>>> >> >>>> >>>> > directory, while the pcp.c file still remains at its
>>> original
>>> >> >>>> >>>> directory.
>>> >> >>>> >>>> > Also the new arrangement of code seems more naturally fit
>>> to
>>> >> the
>>> >> >>>> rest
>>> >> >>>> >>>> of
>>> >> >>>> >>>> > pgppol-II source structure as other stream related
>>> functions
>>> >> also
>>> >> >>>> >>>> resides
>>> >> >>>> >>>> > in src/utils directory.
>>> >> >>>> >>>> >
>>> >> >>>> >>>> > --
>>> >> >>>> >>>> > Thanks
>>> >> >>>> >>>> > Muhammad Usama
>>> >> >>>> >>>> >
>>> >> >>>> >>>> >
>>> >> >>>> >>>> > --
>>> >> >>>> >>>> >> Tatsuo Ishii
>>> >> >>>> >>>> >> SRA OSS, Inc. Japan
>>> >> >>>> >>>> >> English: http://www.sraoss.co.jp/index_en.php
>>> >> >>>> >>>> >> Japanese: http://www.sraoss.co.jp
>>> >> >>>> >>>> >>
>>> >> >>>> >>>> >> From: Muhammad Usama <m.usama at gmail.com>
>>> >> >>>> >>>> >> Subject: Re: penultimate patch for exception and memory
>>> >> manager (
>>> >> >>>> >>>> >> EXCEPTION_MGR branch)
>>> >> >>>> >>>> >> Date: Tue, 11 Feb 2014 19:55:48 +0500
>>> >> >>>> >>>> >> Message-ID: <
>>> >> >>>> >>>> >>
>>> >> >>>>
>>> CAEJvTzWEjDWgtJ3HGCuaSwkGpXzWBETmrM4ShrA5tcNTQFvEuA at mail.gmail.com>
>>> >> >>>> >>>> >>
>>> >> >>>> >>>> >> > Hi Tatsuo
>>> >> >>>> >>>> >> >
>>> >> >>>> >>>> >> > I have rebased the EXCEPTION_MGR branch to current
>>> master,
>>> >> >>>> please
>>> >> >>>> >>>> find
>>> >> >>>> >>>> >> the
>>> >> >>>> >>>> >> > updated patch generated after rebasing.
>>> >> >>>> >>>> >> >
>>> >> >>>> >>>> >> > Thanks
>>> >> >>>> >>>> >> > Muhammad Usama
>>> >> >>>> >>>> >> >
>>> >> >>>> >>>> >> >
>>> >> >>>> >>>> >> > On Tue, Feb 11, 2014 at 11:17 AM, Tatsuo Ishii <
>>> >> >>>> >>>> ishii at postgresql.org>
>>> >> >>>> >>>> >> wrote:
>>> >> >>>> >>>> >> >
>>> >> >>>> >>>> >> >> Usama,
>>> >> >>>> >>>> >> >>
>>> >> >>>> >>>> >> >> I have checked EXCEPTION_MGR branch and it seems it is
>>> far
>>> >> >>>> behind
>>> >> >>>> >>>> main
>>> >> >>>> >>>> >> >> branch. The last patch brought to the EXCEPTION_MGR was
>>> >> dated
>>> >> >>>> >>>> >> >> 2013/12/19. Can you please rebase the branch?
>>> >> >>>> >>>> >> >>
>>> >> >>>> >>>> >> >> Best regards,
>>> >> >>>> >>>> >> >> --
>>> >> >>>> >>>> >> >> Tatsuo Ishii
>>> >> >>>> >>>> >> >> SRA OSS, Inc. Japan
>>> >> >>>> >>>> >> >> English: http://www.sraoss.co.jp/index_en.php
>>> >> >>>> >>>> >> >> Japanese: http://www.sraoss.co.jp
>>> >> >>>> >>>> >> >>
>>> >> >>>> >>>> >> >> From: Muhammad Usama <m.usama at gmail.com>
>>> >> >>>> >>>> >> >> Subject: penultimate patch for exception and memory
>>> >> manager (
>>> >> >>>> >>>> >> >> EXCEPTION_MGR branch)
>>> >> >>>> >>>> >> >> Date: Mon, 10 Feb 2014 19:53:41 +0500
>>> >> >>>> >>>> >> >> Message-ID:
>>> >> <CAEJvTzUZHKKHjz-ZvYaAsviwVVBKSoX-ByNq9rhANO1zPJYR=
>>> >> >>>> >>>> >> >> w at mail.gmail.com>
>>> >> >>>> >>>> >> >>
>>> >> >>>> >>>> >> >> > Please find the penultimate patch for integration of
>>> >> memory
>>> >> >>>> and
>>> >> >>>> >>>> >> exception
>>> >> >>>> >>>> >> >> > manager APIs into pgpool.
>>> >> >>>> >>>> >> >> > The patch is generated on the EXCEPTION_MGR
>>> development
>>> >> >>>> branch
>>> >> >>>> >>>> and
>>> >> >>>> >>>> >> >> > integrates the said APIs in query processing portion
>>> of
>>> >> >>>> pgpool-II
>>> >> >>>> >>>> >> code.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Patch summary for review
>>> >> >>>> >>>> >> >> > ======================
>>> >> >>>> >>>> >> >> > The patch is very large mainly because of replacing
>>> of
>>> >> >>>> >>>> pool_error(),
>>> >> >>>> >>>> >> >> > pool_debug() and pool_log() function calls to
>>> >> >>>> ereport(ERROR,..)
>>> >> >>>> >>>> >> >> > ereport(DEBUG,..) and ereport(LOG,..) and it would be
>>> >> little
>>> >> >>>> time
>>> >> >>>> >>>> >> >> consuming
>>> >> >>>> >>>> >> >> > to review the patch. Although all the above also
>>> needs
>>> >> the
>>> >> >>>> >>>> thorough
>>> >> >>>> >>>> >> >> review,
>>> >> >>>> >>>> >> >> > as replacing pool_error() with ereport(ERROR) or
>>> >> >>>> ereport(FATAL)
>>> >> >>>> >>>> is
>>> >> >>>> >>>> >> just
>>> >> >>>> >>>> >> >> not
>>> >> >>>> >>>> >> >> > a cosmetic but changes the flow of code, but there
>>> are
>>> >> few
>>> >> >>>> >>>> things,
>>> >> >>>> >>>> >> that
>>> >> >>>> >>>> >> >> > requires the more attention than others.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Lifecycle of objects.
>>> >> >>>> >>>> >> >> > ================
>>> >> >>>> >>>> >> >> > Since with integration of memory manager, it is very
>>> >> >>>> important to
>>> >> >>>> >>>> >> manage
>>> >> >>>> >>>> >> >> > the life cycle of each object and making sure the
>>> object
>>> >> is
>>> >> >>>> >>>> created in
>>> >> >>>> >>>> >> >> the
>>> >> >>>> >>>> >> >> > proper MemoryContext. Here is the summary of some
>>> >> important
>>> >> >>>> >>>> objects
>>> >> >>>> >>>> >> and
>>> >> >>>> >>>> >> >> > their residences.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Some Important Memory Contexts
>>> >> >>>> >>>> >> >> > ============================
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > ProcessLoopContext:
>>> >> >>>> >>>> >> >> > This context resets at every main loop iteration of a
>>> >> process
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > TopMemoryContext:
>>> >> >>>> >>>> >> >> > This context is same as PostgreSQL's
>>> TopMemoryContext and
>>> >> >>>> lives
>>> >> >>>> >>>> for a
>>> >> >>>> >>>> >> >> life
>>> >> >>>> >>>> >> >> > time of process.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > ErrorContext:
>>> >> >>>> >>>> >> >> > Same as PostgreSQL's ErrorContext and used for error
>>> >> >>>> processing.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > QueryContext:
>>> >> >>>> >>>> >> >> > Used by pgpool child process and it lives for single
>>> >> query
>>> >> >>>> cycle.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Lifecycle of Important Objects
>>> >> >>>> >>>> >> >> > ========================
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > SessionContext:
>>> >> >>>> >>>> >> >> > The session context consists of a backend and
>>> frontend
>>> >> >>>> >>>> connection and
>>> >> >>>> >>>> >> it
>>> >> >>>> >>>> >> >> > lives for a single iteration of main child process
>>> loop.
>>> >> >>>> >>>> >> >> > So the session context object is created in
>>> >> >>>> ProcessLoopContext.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > ProcessContext:
>>> >> >>>> >>>> >> >> > ConnectionPool:
>>> >> >>>> >>>> >> >> > BackendConnection:
>>> >> >>>> >>>> >> >> > The above objects are required for the life of
>>> process
>>> >> hence
>>> >> >>>> are
>>> >> >>>> >>>> >> created
>>> >> >>>> >>>> >> >> in
>>> >> >>>> >>>> >> >> > TopMemoryContext which lives throughout the process
>>> life
>>> >> >>>> time.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Child Frontend connection:
>>> >> >>>> >>>> >> >> > Frontend connection object is placed in the
>>> >> >>>> ProcessLoopContext
>>> >> >>>> >>>> since
>>> >> >>>> >>>> >> new
>>> >> >>>> >>>> >> >> > frontend connection is created at every main loop
>>> >> iteration
>>> >> >>>> of
>>> >> >>>> >>>> pgpool
>>> >> >>>> >>>> >> >> child
>>> >> >>>> >>>> >> >> > process.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > PCP Frontend connection:
>>> >> >>>> >>>> >> >> > This object can live till the pcp process so the
>>> object
>>> >> for
>>> >> >>>> pcp
>>> >> >>>> >>>> >> frontend
>>> >> >>>> >>>> >> >> is
>>> >> >>>> >>>> >> >> > created in TopMemoryContext.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > new configuration parameters
>>> >> >>>> >>>> >> >> > ========================
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > The patch also adds three new configuration
>>> parameters to
>>> >> >>>> >>>> control the
>>> >> >>>> >>>> >> >> error
>>> >> >>>> >>>> >> >> > reporting style and details.
>>> >> >>>> >>>> >> >> > Parameters names and their behaviours are borrowed
>>> from
>>> >> >>>> >>>> PostgreSQL.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > int log_error_verbosity; /* controls how much
>>> detail
>>> >> about
>>> >> >>>> >>>> error
>>> >> >>>> >>>> >> >> should
>>> >> >>>> >>>> >> >> > be emitted */
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > int client_min_messages; /*controls which message
>>> >> should
>>> >> >>>> be
>>> >> >>>> >>>> sent to
>>> >> >>>> >>>> >> >> > client */
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > int log_min_messages; /*controls which message
>>> >> should
>>> >> >>>> be
>>> >> >>>> >>>> >> emitted to
>>> >> >>>> >>>> >> >> > server log */
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Some other notable changes introduced by the patch.
>>> >> >>>> >>>> >> >> > ==========================================
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > The patch changes the error reporting behaviour and
>>> now
>>> >> >>>> pgpool-II
>>> >> >>>> >>>> >> tries
>>> >> >>>> >>>> >> >> to
>>> >> >>>> >>>> >> >> > send all the error and log messages to the connected
>>> >> frontend
>>> >> >>>> >>>> clients
>>> >> >>>> >>>> >> >> > (controllable by "client_min_messages" configuration
>>> >> >>>> parameter ).
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > The patch added an extra call back "on_system_exit"
>>> to
>>> >> the
>>> >> >>>> elog
>>> >> >>>> >>>> API,
>>> >> >>>> >>>> >> >> which
>>> >> >>>> >>>> >> >> > is not present in the PostgreSQL.
>>> >> >>>> >>>> >> >> > The call back is called at system exit by elog API
>>> just
>>> >> >>>> before
>>> >> >>>> >>>> calling
>>> >> >>>> >>>> >> >> the
>>> >> >>>> >>>> >> >> > "on_shmem_exit" call backs.
>>> >> >>>> >>>> >> >> > "on_system_exit" is a single call back and can be
>>> used to
>>> >> >>>> clean
>>> >> >>>> >>>> up
>>> >> >>>> >>>> >> things
>>> >> >>>> >>>> >> >> > which are dependent on shared memory.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > "repalloc()" behaviour in PostgreSQL palloc API is
>>> little
>>> >> >>>> >>>> different
>>> >> >>>> >>>> >> from
>>> >> >>>> >>>> >> >> > C-API counterpart "realloc()".
>>> >> >>>> >>>> >> >> > ("realloc()" behaves as "malloc()" if ptr argument is
>>> >> NULL.
>>> >> >>>> While
>>> >> >>>> >>>> >> >> > "repalloc()" does not works on NULL pointers)
>>> >> >>>> >>>> >> >> > So I have changed the behaviour of "repalloc()" to
>>> make
>>> >> it
>>> >> >>>> more
>>> >> >>>> >>>> >> >> consistent
>>> >> >>>> >>>> >> >> > with C-API.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > The patch makes the libpcp exclusive for the tool
>>> >> binaries
>>> >> >>>> only
>>> >> >>>> >>>> >> (compile
>>> >> >>>> >>>> >> >> > with POOL_PRIVATE flag ). pgpool binary no longer
>>> has the
>>> >> >>>> >>>> dependancy
>>> >> >>>> >>>> >> on
>>> >> >>>> >>>> >> >> the
>>> >> >>>> >>>> >> >> > lib, and uses the pcp_stream.c function directly.
>>> >> >>>> >>>> >> >> > For this new arrangement the patch also rearranges
>>> the
>>> >> source
>>> >> >>>> >>>> code
>>> >> >>>> >>>> >> >> > organisation and moves the pcp_stream.c and
>>> pcp_error.c
>>> >> >>>> files to
>>> >> >>>> >>>> >> >> > src/utils/pcp directory from src/lib/pcp directory.
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > What is still remaining.
>>> >> >>>> >>>> >> >> > ==================
>>> >> >>>> >>>> >> >> > 1- Need to decide the MemoryContext for memcache
>>> objects.
>>> >> >>>> >>>> >> >> > 2- Watchdog and few rewrite function are still
>>> without
>>> >> the
>>> >> >>>> >>>> managers.
>>> >> >>>> >>>> >> >> > 3- Replace all remaining occurrences of pool_error,
>>> >> >>>> pool_debug,
>>> >> >>>> >>>> and
>>> >> >>>> >>>> >> >> > pool_log with appropriate ereport() calls
>>> >> >>>> >>>> >> >> > 4 -Code cleanup
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Reviews comments and suggestions are most welcome
>>> >> >>>> >>>> >> >> >
>>> >> >>>> >>>> >> >> > Thanks
>>> >> >>>> >>>> >> >> > Usama
>>> >> >>>> >>>> >> >>
>>> >> >>>> >>>> >>
>>> >> >>>> >>>>
>>> >> >>>> >>>> using pgpool-II at /home/t-ishii/work/
>>> >> >>>> >>>>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed
>>> >> >>>> >>>> *************************
>>> >> >>>> >>>> REGRESSION MODE : install
>>> >> >>>> >>>> PGPOOL-II : /home/t-ishii/work/
>>> >> >>>> >>>>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed
>>> >> >>>> >>>> PostgreSQL bin : /usr/local/pgsql/bin
>>> >> >>>> >>>> pgbench : /usr/local/pgsql/bin/pgbench
>>> >> >>>> >>>> PostgreSQL jdbc :
>>> >> >>>> /usr/local/pgsql/share/postgresql-9.2-1003.jdbc4.jar
>>> >> >>>> >>>> *************************
>>> >> >>>> >>>> testing 001.load_balance...ok.
>>> >> >>>> >>>> testing 002.native_replication...ok.
>>> >> >>>> >>>>
>>> >> >>>> >>>> testing 003.failover...*** glibc detected *** pgpool: worker
>>> >> process:
>>> >> >>>> >>>> free(): invalid pointer: 0x00000000007756c8 ***
>>> >> >>>> >>>> ======= Backtrace: =========
>>> >> >>>> >>>> /lib64/libc.so.6(+0x763b6)[0x7fd2922cf3b6]
>>> >> >>>> >>>> pgpool: worker process[0x41d1ff]
>>> >> >>>> >>>> pgpool: worker process[0x436363]
>>> >> >>>> >>>> pgpool: worker process[0x436615]
>>> >> >>>> >>>> pgpool: worker process[0x405e94]
>>> >> >>>> >>>> pgpool: worker process[0x4072bf]
>>> >> >>>> >>>> pgpool: worker process[0x407425]
>>> >> >>>> >>>> pgpool: worker process[0x408d01]
>>> >> >>>> >>>> pgpool: worker process[0x404ef8]
>>> >> >>>> >>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x7fd292277b1d]
>>> >> >>>> >>>> pgpool: worker process[0x4040e9]
>>> >> >>>> >>>> ======= Memory map: ========
>>> >> >>>> >>>> 00400000-0050c000 r-xp 00000000 08:05 2635374
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> >>>> 0070c000-0070e000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool0070c000-0070e000
>>> >> >rw-p
>>> >> >>>> 0010c000 08:05 2635374
>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> >>>> 0070e000-00795000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool0070e000-00795000
>>> >> >rw-p
>>> >> >>>> 00000000 00:00 0 [heap]
>>> >> >>>> >>>> 7fd29044d000-7fd290463000 r-xp 00000000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7fd290463000-7fd290662000 ---p 00016000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7fd290662000-7fd290663000 rw-p 00015000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7fd290663000-7fd290883000 rw-s 00000000 00:04 61898777
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7fd290883000-7fd29088f000 r-xp 00000000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd29088f000-7fd290a8e000 ---p 0000c000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd290a8e000-7fd290a8f000 r--p 0000b000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd290a8f000-7fd290a90000 rw-p 0000c000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd290a90000-7fd290a92000 r-xp 00000000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7fd290a92000-7fd290c91000 ---p 00002000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7fd290c91000-7fd290c92000 rw-p 00001000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7fd290c92000-7fd290c9a000 r-xp 00000000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7fd290c9a000-7fd290e99000 ---p 00008000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7fd290e99000-7fd290e9a000 rw-p 00007000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7fd290e9a000-7fd290e9c000 r-xp 00000000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7fd290e9c000-7fd29109c000 ---p 00002000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7fd29109c000-7fd29109d000 r--p 00002000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7fd29109d000-7fd29109e000 rw-p 00003000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7fd29109e000-7fd2910c5000 r-xp 00000000 08:05 1704166
>>> >> >>>> >>>> /lib64/libk5crypto.so.3.1
>>> >> >>>> >>>> 7fd2910c5000-7fd2912c4000 ---p 00027000 08:05 1704166
>>> >> >>>> >>>> /lib64/libk5crypto.so.3.1
>>> >> >>>> >>>> 7fd2912c4000-7fd2912c6000 rw-p 00026000 08:05 1704166
>>> >> >>>> >>>> /lib64/libk5crypto.so.3.1
>>> >> >>>> >>>> 7fd2912c6000-7fd2912c9000 r-xp 00000000 08:05 1704103
>>> >> >>>> >>>> /lib64/libcom_err.so.2.1
>>> >> >>>> >>>> 7fd2912c9000-7fd2914c8000 ---p 00003000 08:05 1704103
>>> >> >>>> >>>> /lib64/libcom_err.so.2.1
>>> >> >>>> >>>> 7fd2914c8000-7fd2914c9000 rw-p 00002000 08:05 1704103
>>> >> >>>> >>>> /lib64/libcom_err.so.2.1
>>> >> >>>> >>>> 7fd2914c9000-7fd291597000 r-xp 00000000 08:05 1704179
>>> >> >>>> >>>> /lib64/libkrb5.so.3.3
>>> >> >>>> >>>> 7fd291597000-7fd291796000 ---p 000ce000 08:05 1704179
>>> >> >>>> >>>> /lib64/libkrb5.so.3.3
>>> >> >>>> >>>> 7fd291796000-7fd2917a1000 rw-p 000cd000 08:05 1704179
>>> >> >>>> >>>> /lib64/libkrb5.so.3.3
>>> >> >>>> >>>> 7fd2917a1000-7fd2917d9000 r-xp 00000000 08:05 1704152
>>> >> >>>> >>>> /lib64/libgssapi_krb5.so.2.2
>>> >> >>>> >>>> 7fd2917d9000-7fd2919d8000 ---p 00038000 08:05 1704152
>>> >> >>>> >>>> /lib64/libgssapi_krb5.so.2.2
>>> >> >>>> >>>> 7fd2919d8000-7fd2919da000 rw-p 00037000 08:05 1704152
>>> >> >>>> >>>> /lib64/libgssapi_krb5.so.2.2
>>> >> >>>> >>>> 7fd2919da000-7fd291a36000 r-xp 00000000 08:05 1970855
>>> >> >>>> >>>> /usr/lib64/libfreebl3.so
>>> >> >>>> >>>> 7fd291a36000-7fd291c35000 ---p 0005c000 08:05 1970855
>>> >> >>>> >>>> /usr/lib64/libfreebl3.so
>>> >> >>>> >>>> 7fd291c35000-7fd291c37000 rw-p 0005b000 08:05 1970855
>>> >> >>>> >>>> /usr/lib64/libfreebl3.so
>>> >> >>>> >>>> 7fd291c37000-7fd291c3b000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd291c3b000-7fd291dd1000 r-xp 00000000 08:05 1703939
>>> >> >>>> >>>> /lib64/libcrypto.so.1.0.0l
>>> >> >>>> >>>> 7fd291dd1000-7fd291fd0000 ---p 00196000 08:05 1703939
>>> >> >>>> >>>> /lib64/libcrypto.so.1.0.0l
>>> >> >>>> >>>> 7fd291fd0000-7fd291ff3000 rw-p 00195000 08:05 1703939
>>> >> >>>> >>>> /lib64/libcrypto.so.1.0.0l
>>> >> >>>> >>>> 7fd291ff3000-7fd291ff7000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd291ff7000-7fd292052000 r-xp 00000000 08:05 1703951
>>> >> >>>> >>>> /lib64/libssl.so.1.0.0l
>>> >> >>>> >>>> 7fd292052000-7fd292251000 ---p 0005b000 08:05 1703951
>>> >> >>>> >>>> /lib64/libssl.so.1.0.0l
>>> >> >>>> >>>> 7fd292251000-7fd292259000 rw-p 0005a000 08:05 1703951
>>> >> >>>> >>>> /lib64/libssl.so.1.0.0l
>>> >> >>>> >>>> 7fd292259000-7fd2923ca000 r-xp 00000000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7fd2923ca000-7fd2925ca000 ---p 00171000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7fd2925ca000-7fd2925ce000 r--p 00171000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7fd2925ce000-7fd2925cf000 rw-p 00175000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7fd2925cf000-7fd2925d4000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd2925d4000-7fd292656000 r-xp 00000000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7fd292656000-7fd292855000 ---p 00082000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7fd292855000-7fd292856000 r--p 00081000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7fd292856000-7fd292857000 rw-p 00082000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7fd292857000-7fd29286d000 r-xp 00000000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7fd29286d000-7fd292a6c000 ---p 00016000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7fd292a6c000-7fd292a6d000 r--p 00015000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7fd292a6d000-7fd292a6e000 rw-p 00016000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7fd292a6e000-7fd292a70000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd292a70000-7fd292a86000 r-xp 00000000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7fd292a86000-7fd292c85000 ---p 00016000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7fd292c85000-7fd292c86000 r--p 00015000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7fd292c86000-7fd292c87000 rw-p 00016000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7fd292c87000-7fd292c89000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd292c89000-7fd292c90000 r-xp 00000000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7fd292c90000-7fd292e90000 ---p 00007000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7fd292e90000-7fd292e91000 r--p 00007000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7fd292e91000-7fd292e92000 rw-p 00008000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7fd292e92000-7fd292ec0000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd292ec0000-7fd292ed7000 r-xp 00000000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7fd292ed7000-7fd2930d6000 ---p 00017000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7fd2930d6000-7fd2930d7000 r--p 00016000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7fd2930d7000-7fd2930d8000 rw-p 00017000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7fd2930d8000-7fd2930dc000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd2930fb000-7fd293102000 r-xp 00000000 08:05 2635363
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.0
>>> >> >>>> >>>> 7fd293102000-7fd293302000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.07fd293102000-7fd293302000
>>> >> >---p
>>> >> >>>> 00007000 08:05 2635363 /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.0
>>> >> >>>> >>>> 7fd293302000-7fd293303000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.07fd293302000-7fd293303000
>>> >> >rw-p
>>> >> >>>> 00007000 08:05 2635363 /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.0
>>> >> >>>> >>>> 7fd293303000-7fd29332b000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.07fd293303000-7fd29332b000
>>> >> >r-xp
>>> >> >>>> 00000000 08:05 2004750
>>> >> >>>> >>>> /usr/local/pgsql/lib/libpq.so.5.6
>>> >> >>>> >>>> 7fd29332b000-7fd29352a000 ---p 00028000 08:05 2004750
>>> >> >>>> >>>> /usr/local/pgsql/lib/libpq.so.5.6
>>> >> >>>> >>>> 7fd29352a000-7fd29352d000 rw-p 00027000 08:05 2004750
>>> >> >>>> >>>> /usr/local/pgsql/lib/libpq.so.5.6
>>> >> >>>> >>>> 7fd29352d000-7fd29354b000 r-xp 00000000 08:05 1703940
>>> >> >>>> >>>> /lib64/ld-2.11.1.so
>>> >> >>>> >>>> 7fd29372e000-7fd29372f000 rw-s 00000000 00:04 61997084
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7fd29372f000-7fd293730000 rw-s 00000000 00:04 61964315
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7fd293730000-7fd293731000 rw-s 00000000 00:04 61931546
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7fd293731000-7fd29373f000 rw-s 00000000 00:04 61866007
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7fd29373f000-7fd29374a000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fd29374a000-7fd29374b000 r--p 0001d000 08:05 1703940
>>> >> >>>> >>>> /lib64/ld-2.11.1.so
>>> >> >>>> >>>> 7fd29374b000-7fd29374c000 rw-p 0001e000 08:05 1703940
>>> >> >>>> >>>> /lib64/ld-2.11.1.so
>>> >> >>>> >>>> 7fd29374c000-7fd29374d000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fffb3324000-7fffb3345000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> [stack]
>>> >> >>>> >>>> 7fffb33ff000-7fffb3400000 r-xp 00000000 00:00 0
>>> >> >>>> >>>> [vdso]
>>> >> >>>> >>>> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
>>> >> >>>> >>>> [vsyscall]
>>> >> >>>> >>>>
>>> >> >>>> >>>> *** glibc detected *** pgpool: worker process: free():
>>> invalid
>>> >> >>>> pointer:
>>> >> >>>> >>>> 0x00000000007756c8 ***
>>> >> >>>> >>>> ======= Backtrace: =========
>>> >> >>>> >>>> /lib64/libc.so.6(+0x763b6)[0x7fd2922cf3b6]
>>> >> >>>> >>>> pgpool: worker process[0x41d1ff]
>>> >> >>>> >>>> pgpool: worker process[0x436363]
>>> >> >>>> >>>> pgpool: worker process[0x436615]
>>> >> >>>> >>>> pgpool: worker process[0x405e94]
>>> >> >>>> >>>> pgpool: worker process[0x4072bf]
>>> >> >>>> >>>> pgpool: worker process[0x407425]
>>> >> >>>> >>>> pgpool: worker process[0x408d01]
>>> >> >>>> >>>> pgpool: worker process[0x404ef8]
>>> >> >>>> >>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x7fd292277b1d]
>>> >> >>>> >>>> pgpool: worker process[0x4040e9]
>>> >> >>>> >>>> ======= Memory map: ========
>>> >> >>>> >>>> 00400000-0050c000 r-xp 00000000 08:05 2635374
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> >>>> 0070c000-0070e000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool0070c000-0070e000
>>> >> >rw-p
>>> >> >>>> 0010c000 08:05 2635374
>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> >>>> 0070e000-00795000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool0070e000-00795000
>>> >> >rw-p
>>> >> >>>> 00000000 00:00 0 [heap]
>>> >> >>>> >>>> 7fd29044d000-7fd290463000 r-xp 00000000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7fd290463000-7fd290662000 ---p 00016000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7fd290662000-7fd290663000 rw-p 00015000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7fd290663000-7fd290883000 rw-s 00000000 00:04 61898777
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7fd290883000-7fd29088f000 r-xp 00000000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd29088f000-7fd290a8e000 ---p 0000c000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd290a8e000-7fd290a8f000 r--p 0000b000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd290a8f000-7fd290a90000 rw-p 0000c000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7fd290a90000-7fd290a92000 r-xp 00000000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7fd290a92000-7fd290c91000 ---p 00002000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7fd290c91000-7fd290c92000 rw-p 00001000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7fd290c92000-7fd290c9a000 r-xp 00000000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7fd290c9a000-7fd290e99000 ---p 00008000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7fd290e99000-7fd290e9a000 rw-p 00007000 08:05 1704181
>>> >> >>>> >>>> ok.
>>> >> >>>> >>>> testing 004.watchdog...ok.
>>> >> >>>> >>>> testing 005.jdbc...ok.
>>> >> >>>> >>>> testing 006.memqcache...ok.
>>> >> >>>> >>>> testing 050.bug58...ok.
>>> >> >>>> >>>> testing 051.bug60...ok.
>>> >> >>>> >>>> testing 052.do_query...ok.
>>> >> >>>> >>>> testing 053.insert_lock_hangs...ok.
>>> >> >>>> >>>> testing 054.postgres_fdw...ok.
>>> >> >>>> >>>>
>>> >> >>>> >>>> testing 055.backend_all_down...*** glibc detected ***
>>> >> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool:
>>> >> >>>> >>>> double free or corruption (!prev): 0x000000000075c050 ***
>>> >> >>>> >>>> *** glibc detected *** pgpool: worker process: double free
>>> or
>>> >> >>>> >>>> corruption (!prev): 0x000000000075d490 ***
>>> >> >>>> >>>> ======= Backtrace: =========
>>> >> >>>> >>>> /lib64/libc.so.6(+0x763b6)[0x7f0dca1f93b6]
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool[0x41d1ff]<http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x41d1ff%5D>
>>> >> <
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x41d1ff%5D
>>> >> >
>>> >> >>>> >>>>
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool[0x4058a7]<http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x4058a7%5D>
>>> >> <
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x4058a7%5D
>>> >> >
>>> >> >>>> >>>>
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool[0x40882f]<http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x40882f%5D>
>>> >> <
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x40882f%5D
>>> >> >
>>> >> >>>> >>>>
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool[0x404ef8]<http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x404ef8%5D>
>>> >> <
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x404ef8%5D
>>> >> >
>>> >> >>>> <
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x41d1ff%5D/home/t-ishii/work/git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x4058a7%5D/home/t-ishii/work/git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x40882f%5D/home/t-ishii/work/git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x404ef8%5D
>>> >> >>>> >
>>> >> >>>> >>>> ======= Backtrace: =========
>>> >> >>>> >>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x7f0dca1a1b1d]
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool[0x4040e9]<http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x4040e9%5D>
>>> >> <
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x4040e9%5D
>>> >> >
>>> >> >>>> <
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool%5B0x4040e9%5D
>>> >> >>>> >
>>> >> >>>> >>>> pgpool: worker process======= Memory map: ========
>>> >> >>>> >>>> /lib64/libc.so.6(__libc_start_main+0xfd)[0x7f0dca1a1b1d]
>>> >> >>>> >>>> pgpool: worker process[0x4040e9]
>>> >> >>>> >>>> ======= Memory map: ========
>>> >> >>>> >>>> 00400000-0050c000 r-xp 00000000 08:05 2635374
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> >>>> 0070c000-0070e000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool0070c000-0070e000
>>> >> >rw-p
>>> >> >>>> 0010c000 08:05 2635374
>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool
>>> >> >>>> >>>> 0070e000-00771000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/bin/pgpool0070e000-00771000
>>> >> >rw-p
>>> >> >>>> 00000000 00:00 0 [heap]
>>> >> >>>> >>>> 7f0dc8377000-7f0dc838d000 r-xp 00000000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7f0dc838d000-7f0dc858c000 ---p 00016000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7f0dc858c000-7f0dc858d000 rw-p 00015000 08:05 1704093
>>> >> >>>> >>>> /lib64/libgcc_s-4.4.5.so.1
>>> >> >>>> >>>> 7f0dc858d000-7f0dc87ad000 rw-s 00000000 00:04 84148247
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7f0dc87ad000-7f0dc87b9000 r-xp 00000000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7f0dc87b9000-7f0dc89b8000 ---p 0000c000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7f0dc89b8000-7f0dc89b9000 r--p 0000b000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7f0dc89b9000-7f0dc89ba000 rw-p 0000c000 08:05 1704191
>>> >> >>>> >>>> /lib64/libnss_files-2.11.1.so
>>> >> >>>> >>>> 7f0dc89ba000-7f0dc89bc000 r-xp 00000000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7f0dc89bc000-7f0dc8bbb000 ---p 00002000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7f0dc8bbb000-7f0dc8bbc000 rw-p 00001000 08:05 1704176
>>> >> >>>> >>>> /lib64/libkeyutils-1.2.so
>>> >> >>>> >>>> 7f0dc8bbc000-7f0dc8bc4000 r-xp 00000000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7f0dc8bc4000-7f0dc8dc3000 ---p 00008000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7f0dc8dc3000-7f0dc8dc4000 rw-p 00007000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>> 7f0dc8dc4000-7f0dc8dc6000 r-xp 00000000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7f0dc8dc6000-7f0dc8fc6000 ---p 00002000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7f0dc8fc6000-7f0dc8fc7000 r--p 00002000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7f0dc8fc7000-7f0dc8fc8000 rw-p 00003000 08:05 1704128
>>> >> >>>> >>>> /lib64/libdl-2.11.1.so
>>> >> >>>> >>>> 7f0dc8fc8000-7f0dc8fef000 r-xp 00000000 08:05 1704166
>>> >> >>>> >>>> /lib64/libk5crypto.so.3.1
>>> >> >>>> >>>> 7f0dc8fef000-7f0dc91ee000 ---p 00027000 08:05 1704166
>>> >> >>>> >>>> /lib64/libk5crypto.so.3.1
>>> >> >>>> >>>> 7f0dc91ee000-7f0dc91f0000 rw-p 00026000 08:05 1704166
>>> >> >>>> >>>> /lib64/libk5crypto.so.3.1
>>> >> >>>> >>>> 7f0dc91f0000-7f0dc91f3000 r-xp 00000000 08:05 1704103
>>> >> >>>> >>>> /lib64/libcom_err.so.2.1
>>> >> >>>> >>>> 7f0dc91f3000-7f0dc93f2000 ---p 00003000 08:05 1704103
>>> >> >>>> >>>> /lib64/libcom_err.so.2.1
>>> >> >>>> >>>> 7f0dc93f2000-7f0dc93f3000 rw-p 00002000 08:05 1704103
>>> >> >>>> >>>> /lib64/libcom_err.so.2.1
>>> >> >>>> >>>> 7f0dc93f3000-7f0dc94c1000 r-xp 00000000 08:05 1704179
>>> >> >>>> >>>> /lib64/libkrb5.so.3.3
>>> >> >>>> >>>> 7f0dc94c1000-7f0dc96c0000 ---p 000ce000 08:05 1704179
>>> >> >>>> >>>> /lib64/libkrb5.so.3.3
>>> >> >>>> >>>> 7f0dc96c0000-7f0dc96cb000 rw-p 000cd000 08:05 1704179
>>> >> >>>> >>>> /lib64/libkrb5.so.3.3
>>> >> >>>> >>>> 7f0dc96cb000-7f0dc9703000 r-xp 00000000 08:05 1704152
>>> >> >>>> >>>> /lib64/libgssapi_krb5.so.2.2
>>> >> >>>> >>>> 7f0dc9703000-7f0dc9902000 ---p 00038000 08:05 1704152
>>> >> >>>> >>>> /lib64/libgssapi_krb5.so.2.2
>>> >> >>>> >>>> 7f0dc9902000-7f0dc9904000 rw-p 00037000 08:05 1704152
>>> >> >>>> >>>> /lib64/libgssapi_krb5.so.2.2
>>> >> >>>> >>>> 7f0dc9904000-7f0dc9960000 r-xp 00000000 08:05 1970855
>>> >> >>>> >>>> /usr/lib64/libfreebl3.so
>>> >> >>>> >>>> 7f0dc9960000-7f0dc9b5f000 ---p 0005c000 08:05 1970855
>>> >> >>>> >>>> /usr/lib64/libfreebl3.so
>>> >> >>>> >>>> 7f0dc9b5f000-7f0dc9b61000 rw-p 0005b000 08:05 1970855
>>> >> >>>> >>>> /usr/lib64/libfreebl3.so
>>> >> >>>> >>>> 7f0dc9b61000-7f0dc9b65000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dc9b65000-7f0dc9cfb000 r-xp 00000000 08:05 1703939
>>> >> >>>> >>>> /lib64/libcrypto.so.1.0.0l
>>> >> >>>> >>>> 7f0dc9cfb000-7f0dc9efa000 ---p 00196000 08:05 1703939
>>> >> >>>> >>>> /lib64/libcrypto.so.1.0.0l
>>> >> >>>> >>>> 7f0dc9efa000-7f0dc9f1d000 rw-p 00195000 08:05 1703939
>>> >> >>>> >>>> /lib64/libcrypto.so.1.0.0l
>>> >> >>>> >>>> 7f0dc9f1d000-7f0dc9f21000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dc9f21000-7f0dc9f7c000 r-xp 00000000 08:05 1703951
>>> >> >>>> >>>> /lib64/libssl.so.1.0.0l
>>> >> >>>> >>>> 7f0dc9f7c000-7f0dca17b000 ---p 0005b000 08:05 1703951
>>> >> >>>> >>>> /lib64/libssl.so.1.0.0l
>>> >> >>>> >>>> 7f0dca17b000-7f0dca183000 rw-p 0005a000 08:05 1703951
>>> >> >>>> >>>> /lib64/libssl.so.1.0.0l
>>> >> >>>> >>>> 7f0dca183000-7f0dca2f4000 r-xp 00000000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7f0dca2f4000-7f0dca4f4000 ---p 00171000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7f0dca4f4000-7f0dca4f8000 r--p 00171000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7f0dca4f8000-7f0dca4f9000 rw-p 00175000 08:05 1703946
>>> >> >>>> >>>> /lib64/libc-2.11.1.so
>>> >> >>>> >>>> 7f0dca4f9000-7f0dca4fe000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dca4fe000-7f0dca580000 r-xp 00000000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7f0dca580000-7f0dca77f000 ---p 00082000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7f0dca77f000-7f0dca780000 r--p 00081000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7f0dca780000-7f0dca781000 rw-p 00082000 08:05 1704182
>>> >> >>>> >>>> /lib64/libm-2.11.1.so
>>> >> >>>> >>>> 7f0dca781000-7f0dca797000 r-xp 00000000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7f0dca797000-7f0dca996000 ---p 00016000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7f0dca996000-7f0dca997000 r--p 00015000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7f0dca997000-7f0dca998000 rw-p 00016000 08:05 1704185
>>> >> >>>> >>>> /lib64/libnsl-2.11.1.so
>>> >> >>>> >>>> 7f0dca998000-7f0dca99a000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dca99a000-7f0dca9b0000 r-xp 00000000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7f0dca9b0000-7f0dcabaf000 ---p 00016000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7f0dcabaf000-7f0dcabb0000 r--p 00015000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7f0dcabb0000-7f0dcabb1000 rw-p 00016000 08:05 1704202
>>> >> >>>> >>>> /lib64/libresolv-2.11.1.so
>>> >> >>>> >>>> 7f0dcabb1000-7f0dcabb3000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dcabb3000-7f0dcabba000 r-xp 00000000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7f0dcabba000-7f0dcadba000 ---p 00007000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7f0dcadba000-7f0dcadbb000 r--p 00007000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7f0dcadbb000-7f0dcadbc000 rw-p 00008000 08:05 1703950
>>> >> >>>> >>>> /lib64/libcrypt-2.11.1.so
>>> >> >>>> >>>> 7f0dcadbc000-7f0dcadea000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dcadea000-7f0dcae01000 r-xp 00000000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7f0dcae01000-7f0dcb000000 ---p 00017000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7f0dcb000000-7f0dcb001000 r--p 00016000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7f0dcb001000-7f0dcb002000 rw-p 00017000 08:05 1703970
>>> >> >>>> >>>> /lib64/libpthread-2.11.1.so
>>> >> >>>> >>>> 7f0dcb002000-7f0dcb006000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dcb025000-7f0dcb02c000 r-xp 00000000 08:05 2635363
>>> >> >>>> >>>> /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.0
>>> >> >>>> >>>> 7f0dcb02c000-7f0dcb22c000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.07f0dcb02c000-7f0dcb22c000
>>> >> >---p
>>> >> >>>> 00007000 08:05 2635363 /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.0
>>> >> >>>> >>>> 7f0dcb22c000-7f0dcb22d000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.07f0dcb22c000-7f0dcb22d000
>>> >> >rw-p
>>> >> >>>> 00007000 08:05 2635363 /home/t-ishii/work/
>>> >> >>>> >>>>
>>> >> >>>>
>>> >>
>>> git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.0
>>> >> >>>> >>>> 7f0dcb22d000-7f0dcb255000<
>>> >> >>>>
>>> >>
>>> http://git.postgresql.org/pgpool2/src/test/regression/temp/installed/lib/libpcp.so.0.0.07f0dcb22d000-7f0dcb255000
>>> >> >r-xp
>>> >> >>>> 00000000 08:05 2004750
>>> >> >>>> >>>> /usr/local/pgsql/lib/libpq.so.5.6
>>> >> >>>> >>>> 7f0dcb255000-7f0dcb454000 ---p 00028000 08:05 2004750
>>> >> >>>> >>>> /usr/local/pgsql/lib/libpq.so.5.6
>>> >> >>>> >>>> 7f0dcb454000-7f0dcb457000 rw-p 00027000 08:05 2004750
>>> >> >>>> >>>> /usr/local/pgsql/lib/libpq.so.5.6
>>> >> >>>> >>>> 7f0dcb457000-7f0dcb475000 r-xp 00000000 08:05 1703940
>>> >> >>>> >>>> /lib64/ld-2.11.1.so
>>> >> >>>> >>>> 7f0dcb658000-7f0dcb659000 rw-s 00000000 00:04 84246555
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7f0dcb659000-7f0dcb65a000 rw-s 00000000 00:04 84213786
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7f0dcb65a000-7f0dcb65b000 rw-s 00000000 00:04 84181017
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7f0dcb65b000-7f0dcb669000 rw-s 00000000 00:04 84115478
>>> >> >>>> >>>> /SYSV00000000 (deleted)
>>> >> >>>> >>>> 7f0dcb669000-7f0dcb674000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7f0dcb674000-7f0dcb675000 r--p 0001d000 08:05 1703940
>>> >> >>>> >>>> /lib64/ld-2.11.1.so
>>> >> >>>> >>>> 7f0dcb675000-7f0dcb676000 rw-p 0001e000 08:05 1703940
>>> >> >>>> >>>> /lib64/ld-2.11.1.so
>>> >> >>>> >>>> 7f0dcb676000-7f0dcb677000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> 7fff746e1000-7fff74702000 rw-p 00000000 00:00 0
>>> >> >>>> >>>> [stack]
>>> >> >>>> >>>> 7fff747ff000-7fff74800000 r-xp 00000000 00:00 0
>>> >> >>>> >>>> [vdso]
>>> >> >>>> >>>> ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0
>>> >> >>>> >>>> [vsyscall]
>>> >> >>>> >>>> 7fd290c92000-7fd290c9a000 r-xp 00000000 08:05 1704181
>>> >> >>>> >>>> /lib64/libkrb5support.so.0.1
>>> >> >>>> >>>>
>>> >> >>>> >>>>
>>> >> >>>> >>>
>>> >> >>>> >>
>>> >> >>>>
>>> >> >>>
>>> >> >>>
>>> >> > _______________________________________________
>>> >> > pgpool-hackers mailing list
>>> >> > pgpool-hackers at pgpool.net
>>> >> > http://www.pgpool.net/mailman/listinfo/pgpool-hackers
>>> >> _______________________________________________
>>> >> pgpool-hackers mailing list
>>> >> pgpool-hackers at pgpool.net
>>> >> http://www.pgpool.net/mailman/listinfo/pgpool-hackers
>>> >>
>>> >
>>> >
>>> >
>>> > --
>>> > Ahsan Hadi
>>> > Snr Director Product Development
>>> > EnterpriseDB Corporation
>>> > The Enterprise Postgres Company
>>> >
>>> > Phone: +92-51-8358874
>>> > Mobile: +92-333-5162114
>>> >
>>> > Website: www.enterprisedb.com
>>> > EnterpriseDB Blog: http://blogs.enterprisedb.com/
>>> > Follow us on Twitter: http://www.twitter.com/enterprisedb
>>> >
>>> > This e-mail message (and any attachment) is intended for the use of the
>>> > individual or entity to whom it is addressed. This message contains
>>> > information from EnterpriseDB Corporation that may be privileged,
>>> > confidential, or exempt from disclosure under applicable law. If you are
>>> > not the intended recipient or authorized to receive this for the
>>> intended
>>> > recipient, any use, dissemination, distribution, retention, archiving,
>>> or
>>> > copying of this communication is strictly prohibited. If you have
>>> received
>>> > this e-mail in error, please notify the sender immediately by reply
>>> e-mail
>>> > and delete this message.
>>>
>>
>>
>>
>> --
>> Ahsan Hadi
>> Snr Director Product Development
>> EnterpriseDB Corporation
>> The Enterprise Postgres Company
>>
>> Phone: +92-51-8358874
>> Mobile: +92-333-5162114
>>
>> Website: www.enterprisedb.com
>> EnterpriseDB Blog: http://blogs.enterprisedb.com/
>> Follow us on Twitter: http://www.twitter.com/enterprisedb
>>
>> This e-mail message (and any attachment) is intended for the use of the
>> individual or entity to whom it is addressed. This message contains
>> information from EnterpriseDB Corporation that may be privileged,
>> confidential, or exempt from disclosure under applicable law. If you are
>> not the intended recipient or authorized to receive this for the intended
>> recipient, any use, dissemination, distribution, retention, archiving, or
>> copying of this communication is strictly prohibited. If you have received
>> this e-mail in error, please notify the sender immediately by reply e-mail
>> and delete this message.
>>
More information about the pgpool-hackers
mailing list