AIX下怎么查看内存使用率?
在AIX环境下怎么查看内存使用率呢?我贴出几张图片希望大家给点意见,我的内存使用率为多少,我很菜、、、
Topas Monitor for host: testdb EVENTS/QUEUES FILE/TTY
Thu May 12 15:50:20 2011 Interval: 2 Cswitch 263 Readch 391.7K
Syscall 1709 Writech 50780
CPU User% Kern% Wait% Idle% Reads 216 Rawin 0
ALL 0.5 0.2 0.2 99.2 Writes 12 Ttyout 384
Forks 0 Igets 0
Network KBPS I-Pack O-Pack KB-In KB-Out Execs 1 Namei 237
Total 2.2 11.0 10.0 0.9 1.3 Runqueue 0.0 Dirblk 0
Waitqueue 0.0
Disk Busy% KBPS TPS KB-Read KB-Writ MEMORY
Total 0.0 127.9 11.0 12.0 115.9 PAGING Real,MB 7712
Faults 623 % Comp 92
FileSystem KBPS TPS KB-Read KB-Writ Steals 0 % Noncomp 6
Total 62.1 13.0 15.1 47.0 PgspIn 0 % Client 6
PgspOut 0
Name PID CPU% PgSp Owner PageIn 1 PAGING SPACE
oracle 381398 0.4 6.1 oracle PageOut 14 Size,MB 8192
topas 635214 0.2 2.9 root Sios 16 % Used 17
oracle 725410 0.0 10.2 oracle % Free 83
getty 1069290 0.0 0.6 root NFS (calls/sec)
oracle 598464 0.0 5.2 oracle SerV2 0 WPAR Activ 0
ksh 516460 0.0 0.5 root CliV2 0 WPAR Total 0
java 508210 0.0 74.8 oracle SerV3 0 Press: "h"-help
sshd 352482 0.0 2.3 root CliV3 0 "q"-quit
java 254236 0.0 48.1 pconsole
oracle 602170 0.0 7.5 oracle
hostmibd 159968 0.0 2.3 root
snmpmibd 192962 0.0 2.4 root
oracle 1093824 0.0 7.4 oracle
aioserve 1130926 0.0 0.4 oracle
oracle 1114434 0.0 5.0 oracle
aioserve 807086 0.0 0.4 oracle
aioserve 577828 0.0 0.4 oracle
resv_min 98668 0.0 0.4 root
oracle 1102140 0.0 7.7 oracle
oracle 1110336 0.0 7.7 oracle
# svmon -G
size inuse free pin virtual
memory 1974272 1974272 11142 613541 1916583
pg space 2097152 355635
work pers clnt other
pin 515845 0 0 97696
in use 1786208 0 213786
PageSize PoolSize inuse pgsp pin virtual
s 4 KB - 1018746 329715 130053 930679
m 64 KB - 61328 1620 30218 61619
# lsps -s
Total Paging Space Percent Used
8192MB 17%
# vmstat
System configuration: lcpu=8 mem=7712MB
kthr memory page faults cpu
----- ----------- ------------------------ ------------ -----------
r b avm fre re pi po fr sr cy in sy cs us sy id wa
1 2 1916528 11161 0 0 0 15 44 0 8 57087 27846 1 16 83 0
lqtopas_nmonqqW=WLMqqqqqqqqqqqqqqHost=testdbqqqqqqqqqRefresh=2 secsqqq15:58.37qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqk
x Memory qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqx
x Physical PageSpace | pages/sec In Out | FileSystemCache x
x% Used 99.4% 17.0% | to Paging Space 0.0 0.0 | (numperm) 6.6% x
x% Free 0.6% 83.0% | to File System 0.0 6.0 | Process 43.3% x
xMB Used 7668.0MB 1389.2MB | Page Scans 0.0 | System 49.5% x
xMB Free 44.0MB 6802.8MB | Page Cycles 0.0 | Free 0.6% x
xTotal(MB) 7712.0MB 8192.0MB | Page Steals 0.0 | ------ x
x | Page Faults 0.0 | Total 100.0% x
x------------------------------------------------------------ | numclient 6.6% x
xMin/Maxperm 223MB( 3%) 6679MB( 87%) <--% of RAM | maxclient 86.6% x
xMin/Maxfree 960 1088 Total Virtual 15.5GB | User 46.8% x
xMin/Maxpgahead 2 8 Accessed Virtual 7.3GB 47.1%| Pinned 31.1%
大家帮忙计算一下,我的内存使用率是多少啊?希望各位大侠帮帮忙,跪谢、、、
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svmon
(7712-11161*4/1024)/7712*100
svmon我贴上去了,能帮我分析下么?我这系统是不是真的需要扩内存,对aix内存纠结了很长时间了
回复 4# gaofeng36599
从这一瞬间来说,pi po为零,换页空间17%,cpu idle 83,wa 0,没有问题
物理内存充分使用是ibm的内存调度机制决定的,是正常现象
做个长点时间的vmstat看看,假如有频繁的页入页出 并且sr大于fr,则可能是遇到内存瓶颈
从你给的数据来看
还基本算正常
就是内存使用率高了,而且大部分是计算内存,应该是进程级占用了
用nmon