| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, MauMau <maumau307(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [bug fix] Suppress "autovacuum: found orphan temp table" message |
| Date: | 2014-07-22 14:54:06 |
| Message-ID: | 22663.1406040846@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Andres Freund <andres(at)2ndquadrant(dot)com> writes:
> On 2014-07-22 10:17:15 -0400, Tom Lane wrote:
>> Or even more to the point, investigate why it's there in the first
>> place; perhaps there's an actual fixable bug somewhere in there.
> I think MauMau's scenario of a failover to another database explains
> their existance - there's no step that'd remove them after promoting a
> standby.
> So there indeed is a need to have a sensible mechanism for removing them
> at some point. But it should be about removing, not ignoring them.
Agreed. Note that RemovePgTempFiles, as such, only reclaims disk space.
It does not clean out the pg_class entries, which means that just running
that at standby promotion would do nothing to get rid of autovacuum's
whining.
regards, tom lane
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