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тАО01-13-2010 01:44 PM
тАО01-13-2010 01:44 PM
I'm running 11.31 in an HP-VM environment on an rx6600. I have recently set the filecache_min kernel tunable to 5% and filecache_max to 20% in an effort to control how much memory gets used for this purpose.
My question is how can I determine the actual filecache usage? It should of course be somewhere between 5% and 20% of total system memory, but how do I determine the actual current utilization?
TIA
My question is how can I determine the actual filecache usage? It should of course be somewhere between 5% and 20% of total system memory, but how do I determine the actual current utilization?
TIA
Solved! Go to Solution.
3 REPLIES 3
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тАО01-13-2010 02:18 PM
тАО01-13-2010 02:18 PM
Re: kernel tunables: filecache_min and filecache_max
Hello George.
check the following threads out.
Hope they help.
http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1263420864155+28353475&threadId=1359459
http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1263421050229+28353475&threadId=1332985
check the following threads out.
Hope they help.
http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1263420864155+28353475&threadId=1359459
http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1263421050229+28353475&threadId=1332985
Knowledge is power.
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тАО01-13-2010 02:45 PM
тАО01-13-2010 02:45 PM
Solution
# kcusage -h filecache_max
Tunable: filecache_max
Setting: 812886424
Time Usage %
=============================================
Wed 01/13/10 15:45 CST 406900736 50.1
Wed 01/13/10 15:50 CST 358998016 44.2
Wed 01/13/10 15:55 CST 365375488 44.9
Wed 01/13/10 16:00 CST 657281024 80.9
Wed 01/13/10 16:05 CST 638189568 78.5
Wed 01/13/10 16:10 CST 696365056 85.7
Wed 01/13/10 16:15 CST 497078272 61.1
Wed 01/13/10 16:20 CST 490786816 60.4
Wed 01/13/10 16:25 CST 476106752 58.6
Wed 01/13/10 16:30 CST 153149440 18.8
Wed 01/13/10 16:35 CST 129527808 15.9
Wed 01/13/10 16:40 CST 132292608 16.3
filecache_min is what it is..
kctune filecache_min
Tunable: filecache_max
Setting: 812886424
Time Usage %
=============================================
Wed 01/13/10 15:45 CST 406900736 50.1
Wed 01/13/10 15:50 CST 358998016 44.2
Wed 01/13/10 15:55 CST 365375488 44.9
Wed 01/13/10 16:00 CST 657281024 80.9
Wed 01/13/10 16:05 CST 638189568 78.5
Wed 01/13/10 16:10 CST 696365056 85.7
Wed 01/13/10 16:15 CST 497078272 61.1
Wed 01/13/10 16:20 CST 490786816 60.4
Wed 01/13/10 16:25 CST 476106752 58.6
Wed 01/13/10 16:30 CST 153149440 18.8
Wed 01/13/10 16:35 CST 129527808 15.9
Wed 01/13/10 16:40 CST 132292608 16.3
filecache_min is what it is..
kctune filecache_min
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тАО01-13-2010 08:04 PM
тАО01-13-2010 08:04 PM
Re: kernel tunables: filecache_min and filecache_max
Hi,
This is the parameter which defines your file cache ( buffer cache parameters dbc_max min obsolete)
You can check from glance if you have ,
Go to memory report (m)
Then in bottom line you can see the current usage
Total VM : 1.5gb Sys Mem : 1.2gb User Mem: 341mb Phys Mem : 4.0gb
Active VM: 418mb Buf Cache: 0mb Free Mem: 2.3gb FileCache: 132mb
Regards,
Sooraj
This is the parameter which defines your file cache ( buffer cache parameters dbc_max min obsolete)
You can check from glance if you have ,
Go to memory report (m)
Then in bottom line you can see the current usage
Total VM : 1.5gb Sys Mem : 1.2gb User Mem: 341mb Phys Mem : 4.0gb
Active VM: 418mb Buf Cache: 0mb Free Mem: 2.3gb FileCache: 132mb
Regards,
Sooraj
"UNIX is basically a simple operating system, but you have to be a genius to understand the simplicity" - Dennis Ritchie
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