 | | | CPU utilization on system level | CPU utilization on system level 2006-11-16 - By Ivo.Libal@(protected)
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Hi!
do you have 29GB file cache? Do you use directIO?
Does your database write a lot to disks?
Regards
Ivo
"Andrew Edunov" <and@(protected)>
16.11.2006 10:52
An
"'Tom Sightler'" <tsightler@(protected)>
Kopie
<suse-oracle@(protected)>
Thema
RE: [suse-oracle] CPU utilization on system level
Hi again!
Some news:
sunset:~ # cat /proc/meminfo
MemTotal: 33277372 kB
MemFree: 571576 kB
Buffers: 50596 kB
Cached: 29135348 kB
SwapCached: 4 kB
Active: 9099044 kB
Inactive: 21225556 kB
HighTotal: 32636632 kB
HighFree: 200196 kB
LowTotal: 640740 kB
LowFree: 371380 kB
SwapTotal: 33559776 kB
SwapFree: 33559772 kB
Dirty: 212 kB
Writeback: 0 kB
Mapped: 1177320 kB
Slab: 202236 kB
Committed_AS: 1656032 kB
PageTables: 43936 kB
VmallocTotal: 112632 kB
VmallocUsed: 19836 kB
VmallocChunk: 92668 kB
HugePages_Total: 1024
HugePages_Free: 150
Hugepagesize: 2048 kB
sunset:~ # sar
Linux 2.6.5-7.282-bigsmp (sunset) 11/16/06
10:30:01 all 45.62 0.00 24.20 6.13 24.06
10:40:01 all 61.94 0.00 34.22 0.48 3.35
10:50:01 all 65.69 0.00 34.18 0.06 0.07
11:00:04 all 55.89 0.00 32.69 0.63 10.79
11:10:01 all 59.31 0.00 31.46 0.72 8.51
11:20:01 all 62.78 0.00 33.33 1.73 2.16
11:30:01 all 55.71 0.00 28.24 0.47 15.58
11:40:01 all 47.62 0.00 26.79 0.85 24.74
11:50:01 all 36.36 0.00 20.58 3.65 39.41
11:50:01 CPU %user %nice %system %iowait %idle
12:00:01 all 40.71 0.00 22.98 2.24 34.07
12:10:01 all 48.73 0.00 28.34 3.66 19.26
12:20:01 all 55.78 0.00 29.35 2.37 12.50
12:30:03 all 64.31 0.00 31.16 0.20 4.33
12:40:01 all 60.99 0.00 30.78 0.71 7.52
Average: all 39.68 0.00 24.09 3.64 32.59
sunset:~ # vmstat 5
procs -- ---- ---memory-- ---- -- ---swap-- -- --io---- --system--
----cpu----
r b swpd free buff cache si so bi bo in cs us sy
id
wa
1 1 4 466144 51712 29146568 0 0 188 116 316 84 39 24
34 4
3 0 4 470476 51796 29146484 0 0 2 7247 2667 1965 36 22
32 9
1 0 4 557028 51876 29146404 0 0 8 3554 3045 2565 28 17
50 5
2 0 4 548612 52020 29146260 0 0 152 178 3597 2944 20 11
67 2
2 0 4 544504 52100 29147208 0 0 91 448 3517 2905 37 17
45 1
1 0 4 541272 52148 29147160 0 0 0 604 3624 2962 28 13
59 0
1 0 4 540420 52276 29147032 0 0 54 270 2731 2013 20 11
66 3
3 0 4 540908 52368 29146940 0 0 2 186 1123 173 27 15
57 0
6 1 4 519348 52496 29147840 0 0 312 231 1245 315 50 28
18 3
3 0 4 524788 52600 29147736 0 0 34 185 1087 135 49 25
26 0
3 0 4 529244 52680 29148684 0 0 5 452 1160 181 41 27
32 0
2 0 4 528284 52760 29149632 0 0 0 482 1141 139 51 29
20 0
2 0 4 508692 52864 29149528 0 0 2 373 1175 122 44 27
28 1
3 0 4 503592 52952 29149440 0 0 56 136 1081 117 36 24
39 2
2 0 4 524292 53040 29150380 0 0 37 244 1090 123 34 20
45 1
3 0 4 510652 53124 29151324 0 0 154 228 1257 272 34 20
46 1
Still 20-30% takes kernel. Any ideas?
Best regards,
Andrew Edunov.
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