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Re: Slow PITR restore

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Jeff Trout <threshar@xxxxxxxxxxxxxxxxxxxxxx> writes:
> I've seen this on my PITR restores (thankfully, they were for  
> fetching some old data, not because we expoded).  On a 2.4ghz opteron  
> it took 5-50 seconds per wal segment, and there were a LOT of  
> segments (replay took hours and hours).  I asked a few folks and was  
> told it is the nature of the beast.  Hopefully something in 8.4 can  
> be done.

Before we get all panicked about that, someone should try to measure the
restore speed on 8.3.  It's possible that this patch already
alleviated the problem:
http://archives.postgresql.org/pgsql-committers/2007-05/msg00041.php

			regards, tom lane

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