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Re: [PERFORM] A Better External Sort?
- From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
- To: <rjpeace(at)earthlink(dot)net>, <pgsql-hackers(at)postgresql(dot)org>, <pgsql-performance(at)postgresql(dot)org>, <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Subject: Re: [PERFORM] A Better External Sort?
- Date: Tue, 27 Sep 2005 10:21:37 -0500
- Message-id: <s3391d3d(dot)067(at)gwmta(dot)wicourts(dot)gov>
I can't help wondering how a couple thousand context switches per second would affect the attempt to load disk info into the L1 and L2 caches. That's pretty much the low end of what I see when the server is under any significant load.
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