AIX cpu 100%问题
现象：
查看最耗cpu top 10 进程：
$ ps aux|head -1;ps aux |sort -rn +2 |head -10
USER PID %CPU %MEM SZ RSS TTY STAT STIME TIME COMMAND
root 61470 5.1 0.0 384 384 - A May 13 286727:45 wait
root 57372 5.1 0.0 384 384 - A May 13 287673:13 wait
root 53274 5.1 0.0 384 384 - A May 13 286127:23 wait
root 20778 5.1 0.0 384 384 - A May 13 287709:32 wait
root 16680 5.1 0.0 384 384 - A May 13 288560:39 wait
root 12582 5.1 0.0 384 384 - A May 13 284914:01 wait
root 8196 5.1 0.0 384 384 - A May 13 287253:40 wait
root 288 5.1 0.0 384 384 - A May 13 286235:08 wait
oracle 7209386 0.4 0.0 94956 93284 - A 16:53:33 2:32 oraclejkgldb (L
oracle 7172386 0.4 0.0 94948 93276 - A 16:52:55 2:35 oraclejkgldb (L
问题：
1，为什么都是些root进程处于wait 状态占用率比较高？
2，cpu 占用率100%，是不是cpu瓶颈？有什么办法解决吗，没思路了
Topas Monitor for host: GLDB EVENTS/QUEUES FILE/TTY Tue Sep 11 18:22:17 2012 Interval: 2 Cswitch 1231 Readch 425.0K Syscall 2686 Writech 86101 Kernel 0.8 |# | Reads 145 Rawin 0 User 99.2 |############################| Writes 63 Ttyout 984 Wait 0.0 | | Forks 0 Igets 0 Idle 0.0 | | Execs 0 Namei 49 Runqueue 219.1 Dirblk 0 Network KBPS I-Pack O-Pack KB-In KB-Out Waitqueue 0.0 en5 18.1 52.8 82.4 6.8 11.3 en0 0.0 0.0 0.0 0.0 0.0 PAGING MEMORY lo0 0.0 0.0 0.0 0.0 0.0 Faults 22 Real,MB 21504 Steals 65 % Comp 79.9 Disk Busy% KBPS TPS KB-Read KB-Writ PgspIn 0 % Noncomp 13.3 hdisk34 3.0 48.2 6.0 48.2 0.0 PgspOut 0 % Client 13.3 hdisk37 0.0 46.2 4.5 0.0 46.2 PageIn 39 hdisk30 2.5 32.2 4.0 32.2 0.0 PageOut 19 PAGING SPACE hdisk35 0.0 30.2 2.0 0.0 30.2 Sios 58 Size,MB 17408 hdisk29 2.0 28.1 3.5 28.1 0.0 % Used 4.4 hdisk32 0.5 20.1 2.5 20.1 0.0 NFS (calls/sec) % Free 96.6 hdisk31 0.0 16.1 2.0 16.1 0.0 ServerV2 0 hdisk33 0.5 12.1 1.5 12.1 0.0 ClientV2 0 Press: hdisk26 0.0 0.0 0.0 0.0 0.0 ServerV3 0 "h" for help hdisk25 0.0 0.0 0.0 0.0 0.0 ClientV3 0 "q" to quit hdisk0 0.0 0.0 0.0 0.0 0.0 hdisk36 0.0 0.0 0.0 0.0 0.0 hdisk1 0.0 0.0 0.0 0.0 0.0 hdisk41 0.5 0.0 0.0 0.0 0.0 hdisk38 0.0 0.0 0.0 0.0 0.0 hdisk2 0.0 0.0 0.0 0.0 0.0 hdisk7 0.0 0.0 0.0 0.0 0.0 hdisk28 0.0 0.0 0.0 0.0 0.0 Name PID CPU% PgSp Owner oracle 7045492 0.6 5.1 oracle oracle 6480372 0.6 6.1 oracle oracle 6824290 0.6 5.1 oracle oracle 7049602 0.6 6.1 oracle oracle 6889578 0.6 5.1 oracle oracle 6807876 0.6 5.1 oracle oracle 7053634 0.6 5.1 oracle oracle 6893848 0.6 5.1 oracle oracle 6946960 0.6 6.1 oracle oracle 5902770 0.6 6.1 oracle oracle 6611440 0.6 6.1 oracle oracle 7012858 0.6 5.1 oracle oracle 5943592 0.6 5.1 oracle oracle 7209386 0.6 6.1 oracle oracle 7074254 0.5 5.1 oracle oracle 7176644 0.5 5.1 oracle oracle 6721924 0.5 6.1 oracle oracle 5624228 0.5 5.1 oracle oracle 6815890 0.5 5.1 oracle Topas Monitor for host: GLDB EVENTS/QUEUES FILE/TTY Tue Sep 11 18:22:48 2012 Interval: 2 Cswitch 1249 Readch 377.2K Syscall 2385 Writech 116.3K CPU User% Kern% Wait% Idle% Reads 93 Rawin 0 cpu1 99.8 0.2 0.0 0.0 Writes 59 Ttyout 1027 cpu5 99.8 0.2 0.0 0.0 Forks 0 Igets 0 cpu6 99.7 0.3 0.0 0.0 Execs 0 Namei 0 cpu0 99.7 0.3 0.0 0.0 Runqueue 210.4 Dirblk 0 cpu2 99.6 0.4 0.0 0.0 Waitqueue 0.0 cpu7 99.5 0.5 0.0 0.0 cpu4 99.5 0.5 0.0 0.0 PAGING MEMORY cpu3 98.0 2.0 0.0 0.0 Faults 31 Real,MB 21504 Steals 0 % Comp 79.9 Network KBPS I-Pack O-Pack KB-In KB-Out PgspIn 0 % Noncomp 13.3 en5 16.9 49.3 82.2 6.2 10.6 PgspOut 0 % Client 13.3 en0 0.0 0.0 0.0 0.0 0.0 PageIn 59 lo0 0.0 0.0 0.0 0.0 0.0 PageOut 28 PAGING SPACE Sios 87 Size,MB 17408 Disk Busy% KBPS TPS KB-Read KB-Writ % Used 4.4 hdisk31 1.9 73.4 9.2 73.4 0.0 NFS (calls/sec) % Free 96.6 hdisk35 0.0 63.8 4.3 1.9 61.8 ServerV2 0 hdisk29 2.4 50.2 6.3 50.2 0.0 ClientV2 0 Press: hdisk34 1.4 46.4 5.8 46.4 0.0 ServerV3 0 "h" for help hdisk37 0.0 40.6 2.9 1.9 38.6 ClientV3 0 "q" to quit hdisk30 2.4 34.8 3.9 34.8 0.0 hdisk32 0.0 19.3 2.4 19.3 0.0 hdisk33 0.5 7.7 1.0 7.7 0.0 hdisk39 0.0 7.7 1.0 0.0 7.7 hdisk40 0.0 3.9 0.5 0.0 3.9 hdisk0 0.0 0.0 0.0 0.0 0.0 hdisk36 0.0 0.0 0.0 0.0 0.0 hdisk1 0.0 0.0 0.0 0.0 0.0 hdisk27 0.0 0.0 0.0 0.0 0.0 hdisk38 0.0 0.0 0.0 0.0 0.0 hdisk2 0.0 0.0 0.0 0.0 0.0 hdisk7 0.0 0.0 0.0 0.0 0.0 Name PID CPU% PgSp Owner oracle 7049602 0.5 6.1 oracle oracle 6656198 0.5 5.1 oracle oracle 6893792 0.5 5.1 oracle oracle 7163984 0.5 7.1 oracle oracle 6770902 0.5 6.1 oracle oracle 6664272 0.5 6.1 oracle oracle 6443236 0.5 5.1 oracle oracle 6389770 0.5 5.1 oracle oracle 6844646 0.5 6.1 oracle oracle 6889578 0.5 5.1 oracle oracle 6885670 0.5 6.1 oracle oracle 7221410 0.5 5.1 oracle oracle 6832340 0.5 5.2 oracle oracle 6500412 0.5 6.1 oracle oracle 6455542 0.5 6.1 oracle
查看最耗cpu top 10 进程：
$ ps aux|head -1;ps aux |sort -rn +2 |head -10
USER PID %CPU %MEM SZ RSS TTY STAT STIME TIME COMMAND
root 61470 5.1 0.0 384 384 - A May 13 286727:45 wait
root 57372 5.1 0.0 384 384 - A May 13 287673:13 wait
root 53274 5.1 0.0 384 384 - A May 13 286127:23 wait
root 20778 5.1 0.0 384 384 - A May 13 287709:32 wait
root 16680 5.1 0.0 384 384 - A May 13 288560:39 wait
root 12582 5.1 0.0 384 384 - A May 13 284914:01 wait
root 8196 5.1 0.0 384 384 - A May 13 287253:40 wait
root 288 5.1 0.0 384 384 - A May 13 286235:08 wait
oracle 7209386 0.4 0.0 94956 93284 - A 16:53:33 2:32 oraclejkgldb (L
oracle 7172386 0.4 0.0 94948 93276 - A 16:52:55 2:35 oraclejkgldb (L
问题：
1，为什么都是些root进程处于wait 状态占用率比较高？
2，cpu 占用率100%，是不是cpu瓶颈？有什么办法解决吗，没思路了
回复 myciciy 版主上次沙龙的帖子还有不？gava_java 发表于 2012-9-13 23:09
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