[pgpool-general: 8786] Re: Cannot find recovery_2nd_stage.sample

[Bo Peng]

Hi,

Thank you for reporting this issue.

It is a Pgpool-II's bug and I have fixed it:

https://git.postgresql.org/gitweb/?p=pgpool2.git;a=commit;h=7ed589de5f608eabe4c0d8026f9adcce1eedd015

On Tue, 30 May 2023 16:50:33 +0800
Zhaoxun Yan <yan.zhaoxun at gmail.com> wrote:

> Hi Bo Peng!
> 
> I found the variable PORT not defined in the recovery_2nd_stage.sample
> 
> #!/bin/bash
> # Online recovery 2nd stage script for snapshot mode
> 
> set -o xtrace
> 
> MAIN_NODE_PGDATA="$1"              # main dabatase cluster
> DEST_NODE_HOST="$2"                 # hostname of the DB node to be
> recovered
> DEST_NODE_PGDATA="$3"              # database cluster of the DB node to be
> recovered
> MAIN_NODE_PORT="$4"                 # PostgreSQL port number
> 
> echo 'recovery_2nd_stage for standby @' $DEST_NODE_HOST
> 
> PGHOME=/usr/pgsql-15
> ARCHIVEDIR=/var/lib/pgsql/archivedir  # archive log directory
> POSTGRESQL_STARTUP_USER=postgres
> SSH_KEY_FILE=id_rsa_pgpool
> SSH_OPTIONS="-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -i
> ~/.ssh/${SSH_KEY_FILE}"
> 
> # Force to flush current value of sequences to xlog
> ${PGHOME}/bin/psql -p $PORT -t -c 'SELECT datname FROM pg_database WHERE
> NOT datistemplate AND datallowconn' template1|
> while read i
> do
>   if [ "$i" != "" ]; then
>     psql -p $PORT -c "SELECT setval(oid, nextval(oid)) FROM pg_class WHERE
> relkind = 'S'" $i
>   fi
> done
> 
> psql -p $PORT -c "SELECT pgpool_switch_xlog('$ARCHIVEDIR')" template1
> 
> # start target server as a streaming replication standby server
> ssh -T ${SSH_OPTIONS} ${POSTGRESQL_STARTUP_USER}@$DEST_NODE_HOST "
>         $PGHOME/bin/pg_ctl -l /dev/null -w -D $DEST_NODE_PGDATA promote
> "
> 
> On Fri, May 19, 2023 at 8:03 AM Bo Peng <pengbo at sraoss.co.jp> wrote:
> 
> > Hi,
> >
> > You can find all the scripts here:
> >
> > https://git.postgresql.org/gitweb/?p=pgpool2.git;a=tree;f=src/sample/scripts;h=4cd73845f012972d73b24be77911288486bb6c08;hb=refs/heads/V4_4_STABLE
> >
> > The scripts:
> >   replication_mode_recovery_1st_stage.sample
> >   replication_mode_recovery_2nd_stage.sample
> > are for isolation snapshot mode.
> >
> > The documetation is wrong and I will fix it.
> >
> > On Wed, 17 May 2023 16:31:24 +0800
> > Zhaoxun Yan <yan.zhaoxun at gmail.com> wrote:
> >
> > > Hi!
> > > I cannot find the recovery_2nd_stage.sample from
> > > https://www.pgpool.net/docs/44/en/html/runtime-online-recovery.html. Is
> > > there such a file? What does it do when snap-shot mode?
> > >
> > > Thanks!
> > > Zhaoxun
> >
> >
> > --
> > Bo Peng <pengbo at sraoss.co.jp>
> > SRA OSS LLC
> > https://www.sraoss.co.jp/
> >


-- 
Bo Peng <pengbo at sraoss.co.jp>
SRA OSS LLC
https://www.sraoss.co.jp/