Re: pgsql: Add gin_clean_pending_list function to clean up GIN pending list - Mailing list pgsql-committers

From Fujii Masao
Subject Re: pgsql: Add gin_clean_pending_list function to clean up GIN pending list
Date
Msg-id CAHGQGwG+FAuy7T0H1yVbFD+B9WzwQn5Zn7FR-E5_XDRZd8UBuA@mail.gmail.com
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In response to Re: pgsql: Add gin_clean_pending_list function to clean up GIN pending list  (Fujii Masao <masao.fujii@gmail.com>)
List pgsql-committers
On Mon, Feb 8, 2016 at 2:19 AM, Fujii Masao <masao.fujii@gmail.com> wrote:
> On Sat, Feb 6, 2016 at 1:09 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Fujii Masao <fujii@postgresql.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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