Flushing cache?

From: "Seung-won Hwang" <shwang5(at)students(dot)uiuc(dot)edu>
To: <pgsql-general(at)postgresql(dot)org>
Subject: Flushing cache?
Date: 2001-10-03 23:52:17
Message-ID: 01c401c14c66$6efa7f10$0100a8c0@bluebird
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Hi,

I'd like to benchmark the performance of different indices but I'm not sure if my results are affected by caching. Is there any way I can turn off caching for measurement purposes? Thanks

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