[pgpool-hackers: 504] Re: penultimate patch for exception and memory manager ( EXCEPTION_MGR branch)
Muhammad Usama
m.usama at gmail.com
Thu Apr 24 23:10:50 JST 2014
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.
>
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