Re: Linux buffer cache monitoring

From: Hemant K Chitale <>
Date: Sat, 26 Jul 2008 00:13:21 +0800
Message-Id: <>

I gave up trying to monitor this !


At 10:30 PM Friday, Allen, Brandon wrote:
>I know this is a bit off-topic for an Oracle
>list, but I know lots of you are running Oracle
>on Linux so you might know the answer to this.
>I’m doing some I/O capacity testing with Orion
>on a new server running Oracle Enterprise Linux
>5, and I can’t figure out how to tell how much
>of my I/O is being satisfied by the Linux
>filesystem buffer cache and how much is actually
>going to disk. In HPUX and AIX, I know I can
>run “sar –b” to get this information, but that
>command doesn’t provide the same info in Linux
>(at least not on this version of Linux). I’ve
>tried looking through the man pages for sar,
>iostat and vmstat, and all over the Internet and
>I can’t find the answer anywhere so I’d really
>appreciate it if anyone can point me in the right direction.

Hemant K Chitale

"A 'No' uttered from the deepest conviction is better than a 'Yes' merely uttered to please, or worse, to avoid trouble." Mohandas Gandhi Quotes

Received on Fri Jul 25 2008 - 11:13:21 CDT

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