Re: What does this tell me?

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От Josh Berkus
Тема Re: What does this tell me?
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Msg-id web-1776515@davinci.ethosmedia.com
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Ответ на Re: What does this tell me?  (Bruce Momjian <pgman@candle.pha.pa.us>)
Ответы Re: What does this tell me?  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: What does this tell me?  (Sean Chittenden <sean@chittenden.org>)
Re: What does this tell me?  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-performance
Bruce, Sean,

> Oh, yes, you are right.  My hardware tuning guide mentions it.
>  Strange
> it is called the transaction log file:
>
>  http://www.ca.postgresql.org/docs/momjian/hw_performance/
>
> Unless you are seeing this more freqently than every minute, it
> should
> be fine.

Actually, it's apparently a real problem, because the function never
completes.   Each cycle of "recycling transaction logs" takes longer
and longer, and eventually locks up completely.

What the function is doing is a succession of data cleanup procedures,
updating the same table about 50 times.  I will be very thankful for
the day when I can commit within a procedure.

Unfortunately, I am already at the maximum number of WAL files (64).
 What do I do now?

-Josh Berkus


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