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2#
发表于 2013-1-6 22:13:44
Wait Class Waits %Time -outs Total Wait Time (s) Avg wait (ms) %DB time
DB CPU 3,436 53.10
Commit 467,725 0 1,045 2 16.14
Cluster 305,333 1 911 3 14.08
Application 272,373 0 705 3 10.90
Other 285,356 76 185 1 2.86
cluster wait 不是主要等待类型, 建议优先考虑 减少1节点频繁的 tx 锁争用
Event Waits Time(s) Avg wait (ms) % DB time Wait Class
DB CPU 3,436 53.10
log file sync 467,725 1,045 2 16.14 Commit
enq: TX - row lock contention 270,856 705 3 10.90 Application
Owner Tablespace Name Object Name Subobject Name Obj. Type Row Lock Waits % of Capture
PTFORM PTFORM T_ACCOUNTINFO TABLE 282,874 99.23
CSCENTRE CSCENTREIDX IX_INTENTION_INTENTIONID INDEX 1,208 0.42
主要体现在 PTFORM.T_ACCOUNTINFO 表上
MERGE INTO T_ACCOUNTINFO TA USING (SELECT USER_ID, FEE FROM TEMP_FREEZELOG WHERE NVL(ISFRZ, 1) <> 0) TM ON (TA.USER_ID = TM.USER_ID) WHEN MATCHED THEN UPDATE SET TA.AVAILABLE = TA.AVAILABLE + NVL(TM.FEE, 0)
UPDATE T_ACCOUNTINFO TA SET TA.AVAILABLE = NVL(TA.AVAILABLE, 0) - NVL(:B2 , 0) WHERE TA.USER_ID = :B1
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