现象:
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
收起