filesystem cache metrics in OEM 10g
- From: "Herring Dave - dherri" <Dave.Herring@xxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 9 Jun 2008 17:32:22 -0500
I've got a report that mamagement wants listing statistics on various hardware
resources over time and trending future use. Easy enough, especially with OEM
10g for cross platforms, as I've now got a procedure to query
sysman.mgmt$metric_hourly/daily. The problem is with memory, in that as
discussed before, normally it shows nearly fully allocated due to filesystem
cache. I'd subtract that number out but it seems that OEM 10g doesn't gather
that info, at least by default.
Anyone have a good way of dealing with this? Should I create user metric to
pull in "vmstat" buff and cache values, used to subtract from used memory to
get a more real picture? Seems like a dumb fix but I can't come up with any
other way. I know managment won't understand that just because memory shows as
99% used all the time its really not.
Thanks in advance for any ideas.
Dave
___________________________________
Dave Herring, DBA | A c x i o m M I C S / C S O
630-944-4762 office | 630-430-5988 wireless | 630-944-4989 fax
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