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2#
发表于 2013-3-18 11:33:23
Event Waits Time(s) Avg wait (ms) % DB time Wait Class
DB CPU 40,317 61.24
log file sync 1,659,618 10,960 7 16.65 Commit
db file sequential read 1,354,364 6,031 4 9.16 User I/O
library cache: mutex X 3,656,906 2,953 1 4.49 Concurrency
gc current block 2-way 2,887,219 1,697 1 2.58 Cluster
Statistic Name Time (s) % of DB Time
sql execute elapsed time 46,886.80 71.22
DB CPU 40,317.16 61.24
parse time elapsed 5,794.93 8.80
PL/SQL execution elapsed time 3,298.69 5.01
hard parse elapsed time 1,570.96 2.39
sequence load elapsed time 91.80 0.14
hard parse (sharing criteria) elapsed time 56.19 0.09
connection management call elapsed time 21.30 0.03
repeated bind elapsed time 19.98 0.03
PL/SQL compilation elapsed time 1.59 0.00
hard parse (bind mismatch) elapsed time 0.14 0.00
failed parse elapsed time 0.02 0.00
DB time 65,829.88
background elapsed time 7,404.15
background cpu time 3,484.91
解析是一个问题 大约 8%的DB TIME
PU Time (s) Executions CPU per Exec (s) %Total Elapsed Time (s) %CPU %IO SQL Id SQL Module SQL Text
2,360.49 20 118.02 5.85 2,362.89 99.90 0.00 fr908f0fsxqsz CalcServer80208.exe SELECT /*+INDEX(A, TAB_SIGN_I3...
2,025.18 496,603 0.00 5.02 3,298.95 61.39 21.90 98py4attdxa2c Synchronization.exe insert into MAINB.TAB_SCAN_DIS...
679.65 199,214 0.00 1.69 904.75 75.12 2.82 3xxdkugjqkapg Synchronization.exe insert into MAINB.TAB_SCAN_COM...
fr908f0fsxqsz 98py4attdxa2c 3xxdkugjqkapg 这3个SQL大约占了16%的DB TIME |
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