RE: Physical Reads and Writes
From: Allen, Brandon <Brandon.Allen_at_OneNeck.com>
Date: Fri, 28 Aug 2009 13:15:17 -0700
Message-ID: <64BAF54438380142A0BF94A23224A31E1129528AAD_at_ONEWS06.oneneck.corp>
I forgot to mention, I'm not talking about the db cache here - those wouldn't show up in the sar output at all, I'm talking about the filesystem buffer cache of your OS (unless you're using direct or raw IO).
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Date: Fri, 28 Aug 2009 13:15:17 -0700
Message-ID: <64BAF54438380142A0BF94A23224A31E1129528AAD_at_ONEWS06.oneneck.corp>
I forgot to mention, I'm not talking about the db cache here - those wouldn't show up in the sar output at all, I'm talking about the filesystem buffer cache of your OS (unless you're using direct or raw IO).
Regards,
Brandon
From: Bill Zakrzewski [mailto:bill_at_intactus.com]
very little chance all reads are satisfied by the database cache.
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-- http://www.freelists.org/webpage/oracle-lReceived on Fri Aug 28 2009 - 15:15:17 CDT