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3#
发表于 2013-8-27 12:54:42
Event Waits Time(s) Avg Wait(ms) % Total Call Time Wait Class
db file sequential read 8,657,282 69,811 8 27.4 User I/O
CPU time 62,685 24.6
log file sync 1,622,084 41,164 25 16.2 Commit
gc buffer busy 579,485 40,159 69 15.8 Cluster
PX Deq Credit: send blkd 10,264 14,275 1,391 5.6 Other
Physical reads: 8,332.84 9.03
Physical writes: 2,658.20 2.88
user commits 1,597,002 897.47 0.97
physical read total IO requests 9,269,998 5,209.46 5.65
physical write total IO requests 4,271,624 2,400.53 2.60
IOPS大约 7600
Elapsed Time (s) CPU Time (s) Executions Elap per Exec (s) % Total DB Time SQL Id SQL Module SQL Text
9,469 159 35,068 0.27 3.72 5ygp0xdacm685 __smsserver.bin.P3@HQ-BOSS-INTERFACE-L (TNS V1-V insert into ZK.CM_BUSI_PROVIS...
Cluster Wait Time (s) CWT % of Elapsd Time Elapsed Time(s) CPU Time(s) Executions SQL Id SQL Module SQL Text
4,112.19 43.43 9,469.42 158.92 35,068 5ygp0xdacm685 __smsserver.bin.P3@HQ-BOSS-INTERFACE-L (TNS V1-V insert into ZK.CM_BUSI_PROVIS...
user commit 较多 每秒 越900次, log file parallel write 在IOPS 7600的情况下为2ms
Avg global cache current block flush time (ms): 26.5
Avg global cache cr block flush time (ms): 22.5
Avg message sent queue time on ksxp (ms): 2.7
RAC ksxp sent 较慢 为2.7ms
% of flow controlled messages: 0.94
Estd Interconnect traffic (KB) 41,669.25
1、考虑较少commit
2、 私有网络传输存在瓶颈, 平均每秒传输为41M
3、考虑把上述INSERT等语句 放到1个节点里运行 |
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