Chinaunix
标题:
hp-unix系统Sys Mem使用的内存过高
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作者:
bbdoghuang
时间:
2016-01-04 10:52
标题:
hp-unix系统Sys Mem使用的内存过高
操作系统长期内存使用率在90%以上,重启机器后不到2天,内存就从60%上升到90%, 使用glance ->m命令查看内存,发现 User Mem使用率稳定,但是Sys Mem使用率一直在不断升高。求大神帮忙诊断下是什么情况?
Glance 11.00.044 10:45:49 s70bild2 ia64 Current Avg High
------------------------------------------------------------------------------------------------------------------------------------------------------
CPU Util S SU U | 45% 45% 46%
Disk Util F | 1% 2% 2%
Mem Util S SU UFF | 91% 91% 91%
Networkil U UR R | 64% 64% 64%
------------------------------------------------------------------------------------------------------------------------------------------------------
MEMORY REPORT Users= 4
Event Current Cumulative Current Rate Cum Rate High Rate
--------------------------------------------------------------------------------
Page Faults 162009 187508 25715.7 25338.9 25715.7
Page In 21044 130 3340.3 17.5 3340.3
Page Out 0 0 0.0 0.0 0.0
KB Paged In 176kb 520kb 27.9 70.2 1376.0
KB Paged Out 0kb 0kb 0.0 0.0 0.0
Reactivations 0 0 0.0 0.0 0.0
Deactivations 0 0 0.0 0.0 0.0
KB Deactivated 0kb 0kb 0.0 0.0 0.0
VM Reads 0 0 0.0 0.0 0.0
VM Writes 0 0 0.0 0.0 0.0
Total VM : 85.7gb
Sys Mem : 103.2gb
User Mem: 68.1gb Phys Mem : 191.7gb
Active VM: 69.2gb Buf Cache: 0mb Free Mem: 16.8gb FileCache: 3.6gb
MemFS Blk Cnt: 0 MemFS Swp Cnt: 0
s70bild2 | monitor [/home/monitor]=>vmstat 2 10
procs memory page faults cpu
r b w avm free re at pi po fr de sr in sy cs us sy id
15 0 0 18360078 4397658 0 0 12 0 0 0 0 51668 4190721 34243 30 11 60
15 0 0 18360078 4397509 0 0 10 0 0 0 0 38472 2319682 25318 19 12 68
8 0 0 18679232 4396982 0 0 6 0 0 0 0 36480 1979807 22808 14 8 78
8 0 0 18679232 4405095 0 0 8 0 0 0 0 33676 2341129 21057 16 7 77
8 0 0 18679232 4402081 0 0 4 0 0 0 0 32680 2443807 20418 16 7 77
8 0 0 18679232 4397071 0 0 2 0 0 0 0 39458 2697513 23136 18 11 70
s70bild2 | monitor [/home/monitor]=>swapinfo
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 100663296 0 100663296 0% 0 - 1 /dev/vg00/lvol2
reserve - 91415704 -91415704
memory 191166976 94217124 96949852 49%
作者:
lbseraph
时间:
2016-02-24 16:23
Sys mem升高也有可能是有user process不停调用系统call导致的。。。如果page in/out不频繁,性能也不影响的话就观察着吧~真的要查的话,还是找HP的技术支持看一下~
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