2011/2/4 Robert Haas <robertmhaas@gmail.com>:
> On Sun, Jan 30, 2011 at 10:26 PM, Robert Haas <robertmhaas@gmail.com> wrote:
>> On Sun, Jan 30, 2011 at 10:03 PM, Alvaro Herrera
>> <alvherre@commandprompt.com> wrote:
>>> Excerpts from Robert Haas's message of dom ene 30 23:37:51 -0300 2011:
>>>
>>>> Unless I'm missing something, making autovacuum.c call
>>>> ConditionalLockRelationOid() is not going to work, because the vacuum
>>>> transaction isn't started until we get all the way down to
>>>> vacuum_rel().
>>>
>>> Maybe we need ConditionalLockRelationOidForSession or something like
>>> that?
>>
>> That'd be another way to go, if there are objections to what I've
>> implemented here.
>
> Seeing as how there seem to be neither objections nor endorsements,
> I'm inclined to commit what I proposed
what do you implement exactly ?
* The original request from Josh to get LOG when autovac can not run
because of locks
* VACOPT_NOWAIT, what is it ?
>more or less as-is. There
> remains the issue of what do about the log spam. Josh Berkus
> suggested logging it when log_autovacuum_min_duration != -1, which
> seems like a bit of an abuse of that setting, but it's certainly not
> worth adding another setting for, and the alternative of logging it
> at, say, DEBUG2 seems unappealing because you'll then have to turn on
> logging for a lot of unrelated crap to get this information. So on
> balance I think that proposal is perhaps the least of evils.
>
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> Robert Haas
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Cédric Villemain 2ndQuadrant
http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support