Re: last_analyze/last_vacuum not being updated

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: last_analyze/last_vacuum not being updated
Date: 2015-06-15 20:45:55
Message-ID: 557F3983.1060208@gmx.net
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On 6/8/15 3:16 PM, Peter Eisentraut wrote:
> I'm looking at a case on 9.4.1 where the last_analyze and last_vacuum
> stats for a handful of tables seem stuck. They don't update after
> running an ANALYZE or VACUUM command, and they don't react to
> pg_stat_reset_single_table_counters(). All of the affected tables are
> system catalogs, some shared, some not. Other system catalogs and other
> tables have their statistics updated normally. Any ideas (before I try
> to blow it away)?

This issue somehow went away before I had time to analyze it further,
which is weird in itself. But now I have seen a segfault on a
completely different 9.4 instance while querying pg_stat_databases.
Could be bad luck. But if others are seeing weird stats collector
behavior in 9.4, please share.

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