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Home -> Community -> Usenet -> c.d.o.server -> Re: Very high 'log file sync' wait time with no 'log file parallel write' wait time
I just see thousands of EXEC calls for COMMIT, each with an associated
'log file sync' wait:
PARSING IN CURSOR #9 len=6 dep=1 uid=21 oct=44 lid=21 tim=276327492
hv=255718823 ad='0'
COMMIT
END OF STMT
EXEC #9:c=0,e=2140,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276327489
WAIT #9: nam='log file sync' ela= 1848 buffer#=3637 p2=0 p3=0 obj#=0
tim=276329947
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1983,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276330067
WAIT #9: nam='log file sync' ela= 1708 buffer#=3639 p2=0 p3=0 obj#=0
tim=276331899
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1848,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276332033
WAIT #1: nam='SQL*Net more data from client' ela= 27 driver
id=1111838976 #bytes=2 p3=0 obj#=0 tim=276332165
WAIT #9: nam='log file sync' ela= 1883 buffer#=3641 p2=0 p3=0 obj#=0
tim=276334144
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=2011,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276334265
WAIT #9: nam='log file sync' ela= 1789 buffer#=3643 p2=0 p3=0 obj#=0
tim=276336184
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=2174,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276336561
WAIT #9: nam='log file sync' ela= 1767 buffer#=3645 p2=0 p3=0 obj#=0
tim=276338452
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1896,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276338574
WAIT #9: nam='log file sync' ela= 1766 buffer#=3647 p2=0 p3=0 obj#=0
tim=276340465
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1896,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276340589
WAIT #9: nam='log file sync' ela= 1981 buffer#=3649 p2=0 p3=0 obj#=0
tim=276342693
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=2109,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276342814
WAIT #9: nam='log file sync' ela= 1646 buffer#=3651 p2=0 p3=0 obj#=0
tim=276344584
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1776,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276344707
WAIT #9: nam='log file sync' ela= 1696 buffer#=3653 p2=0 p3=0 obj#=0
tim=276346527
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1822,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276346647
WAIT #9: nam='log file sync' ela= 1740 buffer#=3655 p2=0 p3=0 obj#=0
tim=276348508
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1870,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276348632
WAIT #9: nam='log file sync' ela= 1781 buffer#=3657 p2=0 p3=0 obj#=0
tim=276350538
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1992,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276350741
WAIT #1: nam='SQL*Net more data from client' ela= 19 driver
id=1111838976 #bytes=4 p3=0 obj#=0 tim=276351195
WAIT #9: nam='log file sync' ela= 1720 buffer#=3659 p2=0 p3=0 obj#=0
tim=276353054
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1862,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276353185
WAIT #9: nam='log file sync' ela= 1800 buffer#=3661 p2=0 p3=0 obj#=0
tim=276355113
XCTEND rlbk=0, rd_only=1
EXEC #9:c=0,e=1927,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=0,tim=276355232
WAIT #9: nam='log file sync' ela= 1968 buffer#=3663 p2=0 p3=0 obj#=0
tim=276357322
XCTEND rlbk=0, rd_only=1
Matt Received on Tue Nov 28 2006 - 05:58:03 CST