[pgpool-general: 6882] Re: Recommended process to terminate postgres and pgpool processes

[postgann2020 s]

Thanks for your support.

On Thu, Feb 13, 2020 at 11:02 AM Bo Peng <pengbo at sraoss.co.jp> wrote:

> Hi,
>
> On Wed, 12 Feb 2020 14:30:25 +0530
> postgann2020 s <postgann2020 at gmail.com> wrote:
>
> > Hi Bo,
> > Thanks for update.
> > We are using pg_terminate_backend(pid),but we observed failover was
> > happened at pgpool level.
> > Please suggest the process to terminate the processes.
> > Regards,
> > Postgann.
>
> Is your purpose to close backend connection from pgpool?
> From pgpool 3.6, you can use "pg_terminate_backend(pid)" to close backend
> connection from pgpool.
>
> Example:
>
> # ps aux | grep pgpool
> ...
> pengbo    4015  0.0  0.0 161016  2304 pts/3    S    14:29   0:00 pgpool:
> pengbo test ::1(46748) idle
>
> # ps aux | grep postgres
> ...
> pengbo    4045  0.0  0.0 273400  3000 ?        Ss   14:30   0:00 postgres:
> pengbo test [local] idle
> pengbo    4046  0.0  0.0 273352  2940 ?        Ss   14:30   0:00 postgres:
> pengbo test [local] idle
>
> To close backend connection pid:4045, you can execute:
>
> test=# select pg_terminate_backend(4045);
>
>
> > On Wed, Feb 12, 2020, 11:00 AM Bo Peng <pengbo at sraoss.co.jp> wrote:
> >
> > > Hi,
> > >
> > > On Wed, 12 Feb 2020 10:37:00 +0900
> > > Bo Peng <pengbo at sraoss.co.jp> wrote:
> > >
> > > > On Mon, 10 Feb 2020 23:06:51 +0530
> > > > postgann2020 s <postgann2020 at gmail.com> wrote:
> > > >
> > > > > Hi Team,
> > > > >
> > > > > We have 1 master and 2 slaves with pgpool configuration  running in
> > > > > streaming replication mode.
> > > > >
> > > > > Sometimes we are getting situation of terminating postgres and
> pgpool
> > > > > process from the db and terminate  , but while using
> > > pg_terminate_backend
> > > > > from progress which causing falover at pgpool level.and not sure
> how to
> > > > > close pgpool child process as well.
> > > > >
> > > > > Could you please suggest the recommended process to terminate
> postgres
> > > and
> > > > > pgpool process..
> > >
> > >
> > > Pgpool supports "select pg_terminate_backend(PID)".
> > >
> > > > > 1. How to terminate postgres process from database and terminate?.
> > > > > 2. How to terminate pgpool child process from pool and terminal?
> > > >
> > > > You need to terminate pgpool first before terminate postgres.
> > > > And also you need to start postgres before start pgpool.
> > > >
> > > > --
> > > > Bo Peng <pengbo at sraoss.co.jp>
> > > > SRA OSS, Inc. Japan
> > > > _______________________________________________
> > > > pgpool-general mailing list
> > > > pgpool-general at pgpool.net
> > > > http://www.pgpool.net/mailman/listinfo/pgpool-general
> > >
> > >
> > > --
> > > Bo Peng <pengbo at sraoss.co.jp>
> > > SRA OSS, Inc. Japan
> > >
>
>
> --
> Bo Peng <pengbo at sraoss.co.jp>
> SRA OSS, Inc. Japan
>
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