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From: PFC <lists@boutiquenumerique.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
To: Christopher Petrilli <petrilli@gmail.com>
Cc: Vivek Khera <vivek@khera.org>
Cc: pgsql-performance@postgresql.org
Subject: Re: Impact of checkpoint_segments under continual load conditions
Date: Tue, 19 Jul 2005 18:27:21 +0200
Message-ID: <op.st55bvlgth1vuj@localhost> (raw)
In-Reply-To: <4541.1121788647@sss.pgh.pa.us>
References: <59d991c4050717100874c08a86@mail.gmail.com>
	<A50B8A1F-71A1-4F63-A5F4-1AA58F89557D@khera.org>
	<59d991c405071811457ccdd3f1@mail.gmail.com>
	<16394.1121715156@sss.pgh.pa.us>
	<59d991c405071812342e290f57@mail.gmail.com>
	<16794.1121718743@sss.pgh.pa.us>
	<59d991c405071907482bb0689b@mail.gmail.com>
	<op.st52tvunth1vuj@localhost>
	<59d991c4050719084460b376f1@mail.gmail.com>
	<4541.1121788647@sss.pgh.pa.us>



> total.  If the insertion pattern is sufficiently random that the entire
> index ranges are "hot" then you might not have enough RAM.

	Try doing the test dropping some of your indexes and see if it moves the  
number of iterations after which it becomes slow.



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