Re: Correct query to check streaming replication lag
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Sameer Kumar
Тема
Re: Correct query to check streaming replication lag
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CADp-Sm7KbvuOcyGBSDvGw+3DcmtAXpBBk4kpHVVYXn3DJfKP2w@mail.gmail.com
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Re: Correct query to check streaming replication lag (Granthana Biswas)
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Дерево обсуждения
Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Sameer Kumar <sameer.kumar@ashnik.com>
Re: Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Sameer Kumar <sameer.kumar@ashnik.com>
Re: Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Ray Stell <stellr@vt.edu>
Re: Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Sameer Kumar <sameer.kumar@ashnik.com>
Re: Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Michael Paquier <michael.paquier@gmail.com>
Re: Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Sameer Kumar <sameer.kumar@ashnik.com>
Re: Correct query to check streaming replication lag Granthana Biswas <granthana@zedo.com>
Re: Correct query to check streaming replication lag Sameer Kumar <sameer.kumar@ashnik.com>
Re: Correct query to check streaming replication lag Michael Paquier <michael.paquier@gmail.com>
Re: Correct query to check streaming replication lag Sameer Kumar <sameer.kumar@ashnik.com>
Re: Correct query to check streaming replication lag Michael Paquier <michael.paquier@gmail.com>
On Mon, Jan 20, 2014 at 1:53 PM, Granthana Biswas <granthana@zedo.com> wrote:
Yes we already do that. Count the number of ready wal files.
I guess a better place to check would be pg_stat_replication
Check this discussion:
Another way is explained in wiki:
$ psql -c "SELECT pg_current_xlog_location()" -h192.168.0.10 (primary host) pg_current_xlog_location -------------------------- 0/2000000 (1 row) $ psql -c "select pg_last_xlog_receive_location()" -h192.168.0.20 (standby host) pg_last_xlog_receive_location ------------------------------- 0/2000000 (1 row) $ psql -c "select pg_last_xlog_replay_location()" -h192.168.0.20 (standby host) pg_last_xlog_replay_location ------------------------------ 0/2000000 (1 row)
Best Regards,
Sameer Kumar | Database Consultant
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