Re: Autovacuum vs statement_timeout

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От Joshua D. Drake
Тема Re: Autovacuum vs statement_timeout
Дата
Msg-id 462572D4.7090108@commandprompt.com
обсуждение исходный текст
Ответ на Re: Autovacuum vs statement_timeout  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Autovacuum vs statement_timeout  (Alvaro Herrera <alvherre@commandprompt.com>)
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Tom Lane wrote:
> Robert Treat <xzilla@users.sourceforge.net> writes:
>> I'm with Joshua on this one. Statement_timeout is often used as a means for 
>> protection from long running statements due to server load and locking and 
>> all of the above commands can certainly fall into that area. If people feel 
>> strongly that the command line programs need a way to circumvent it, add 
>> a --ignore-statement-timeout option or similar mechanism. 
> 
> The worst-case scenario here is that your server fails and you discover
> that all your backups are corrupt because you didn't notice pg_dump was
> failing due to statement_timeout.  (Maybe it just recently started to
> fail because your biggest table grew past the point at which the COPY
> command exceeded statement_timeout.)
> 
> I'm not excited about the other ones but I can see the argument for
> making pg_dump force the timeout to 0.

I guess my point is, if you are knowledgeable enough to actually set a 
statement_timeout, you are likely knowledgeable enough to know how to 
turn it off for programs like pg_dump.

Sincerely,

Joshua D. Drake

> 
>             regards, tom lane
> 
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