On Wed, Oct 26, 2016 at 2:46 PM, Tsunakawa, Takayuki
> If the stats collector is forcibly terminated on the standby in streaming
> replication configuration, it won't be restarted until the standby is
> promoted to the primary. The attached patch restarts the stats collector on
> the standby.
> FYI, when the stats collector is down, SELECTs against the statistics views
> get stale data with the following message.
> LOG: using stale statistics instead of current ones because stats collector
> is not responding
> STATEMENT: select * from pg_stat_user_tables
Oops. This could be a problem for some applications... As far as I can
see and after playing with it, your patch looks correct.
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