From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Fujii Masao <fujii(at)postgresql(dot)org>, pgsql-committers <pgsql-committers(at)postgresql(dot)org> |
Subject: | Re: pgsql: Add gin_clean_pending_list function to clean up GIN pending list |
Date: | 2016-02-08 14:42:56 |
Message-ID: | CAHGQGwG+FAuy7T0H1yVbFD+B9WzwQn5Zn7FR-E5_XDRZd8UBuA@mail.gmail.com |
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On Mon, Feb 8, 2016 at 2:19 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> On Sat, Feb 6, 2016 at 1:09 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> Fujii Masao <fujii(at)postgresql(dot)org> writes:
>>> Add gin_clean_pending_list function to clean up GIN pending list
>>
>> The regression test case added by this commit is unstable, as per
>> http://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=spoonbill&dt=2016-02-06%2000%3A00%3A06
>>
>> I imagine what happened there is that autovacuum came along and cleared
>> the pending-list before the test query could.
>
> Thanks for the report! Yes, that's possible. I'm thinking to disable
> autovacuum for the index which pg_clean_pending_list() is working on
> by setting autovacuum_enabled reloption when creating the table.
> Patch attached. This patch also sets gin_pending_list_limit reloption
> to 4MB, just to be safe, so that "make installcheck" will not fail
> even when gin_pending_list_limit GUC is very small.
>
> Barring objection, I'll push this patch.
Okay, pushed.
Regards,
--
Fujii Masao
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