From: NetComrade (netcomrade@bookexchange.net)
Date: Mon Oct 06 2003 - 12:53:15 EDT
yesterday I had few sudden spikes in load, which had brought the system
(solaris 7 running oracle 8.1.7.4 and VxVM) to a crawl (well, ~<12 sec
response times). This is a 10CPU E4500.
vmstat showed the following:
procs memory page disk faults cpu
r b w swap free re mf pi po fr de sr s6 s9 s1 sd in sy cs us
sy id
110 3 0 4798808 375504 0 1928 0 0 0 0 0 0 0 0 0 6289 24099 7686 31
69 0
102 3 0 4806544 381640 0 1255 6 0 0 0 0 0 0 0 0 6647 27437 8054 33
67 0
93 2 0 4806408 382664 0 3486 6 1 0 0 0 0 0 0 0 7090 29187 9067 36
64 0
64 4 0 4806272 382376 0 3811 0 0 0 0 0 0 0 0 0 7106 34630 9294 44
56 0
59 1 0 4801248 378376 0 2541 0 0 0 0 0 0 2 2 0 7036 29577 9088 37
63 0
64 4 0 4800496 377256 0 2081 0 0 0 0 0 0 0 0 0 6220 23640 7419 32
68 0
80 2 0 4803888 380208 0 1841 0 0 0 0 0 0 0 0 0 4966 21493 5448 31
69 0
87 1 0 4806496 383544 0 2468 0 0 0 0 0 0 0 0 0 5844 22951 6842 29
71 0
84 4 0 4806656 382400 0 3432 0 1 0 0 0 0 0 0 0 6397 28243 8128 37
63 0
95 3 0 4801384 377872 0 3440 0 0 0 0 0 0 0 0 0 6843 33454 9052 40
60 0
How can I identify what my kernel is doing the most? Is there are a
way? The system doesn't seem to be paging much, so I am puzzled.
Any other performance metrics I should be looking at?
Thanks,
will summarize.
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