Re: 10046 level 8 trace - help required with 'direct path

Yong:

They are temp files. The file# for the temp files start with db_files+1. Because of this, there may be chances your pl will have 1000+ though you have only hand ful of datafiles.

KG

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Thursday, October 30, 2003 10:39 PM

> Hi, Tim,
>
> Assuming you don't have more than 1000 files, what's your db_files set to
and
> what's select file#, name from v$tempfile? If you do have more than 1026
files,
> select file#, name from v$datafile.
>
> Also show us select * from v$sort_usage if you can run that DELETE again.
>
> XCTEND rlbk=0: your transaction end marker says it's not rolling back;
i.e.
> it's committing.
>
> Yong Huang
>
> --- Andy Rivenes <arivenes_at_llnl.gov> wrote:
> > Looks sort spillage to disk due to the where clause.
> >
> > Andy Rivenes
> > arivenes_at_llnl.gov
> >
> > At 06:44 AM 10/30/2003 -0800, Tim Onions wrote:
> > >Gurus
> > >
> > >I've applied many of the things I've learnt from this list over the
years
> > >and today I tried a 10046 trace for the first time on a reported "slow"
> > >transaction. From what I can tell the biggest offender is a wait
seemingly
> > >associated with rollback (see below) called 'direct path write'. Is
this
> > >just a traditional wait for a row lock to be released or something more
> > >sinister? Any help much appreciated. Also (daft question time) what
units
> > >are "tim=" in? (ie how many seconds between tim=131853898 and
> > >tim=131853270).
> > >
> > >This SE 8.1.7.4.12 on Windows 2000.
> > >
> > >Thank you
> > >
> > >T¬
> > >
> > >PARSING IN CURSOR #15 len=60 dep=2 uid=38 oct=7 lid=38 tim=131853270
> > >hv=2073223040 ad='8e9a2080'
> > >DELETE FROM ROUTING_NEXT_JOB RNJ WHERE RNJ.NEXT_JOB_ID = :b1
> > >END OF STMT
> > >PARSE #15:c=0,e=2,p=0,cr=1,cu=0,mis=1,r=0,dep=2,og=0,tim=131853270
> > >WAIT #15: nam='latch free' ela= 0 p1=-1856345836 p2=106 p3=0
> > >EXEC #15:c=0,e=0,p=0,cr=3,cu=14,mis=0,r=2,dep=2,og=4,tim=131853270
> > >XCTEND rlbk=0, rd_only=0
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59401 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59404 p3=1
> > >WAIT #14: nam='direct path write' ela= 1 p1=1026 p2=59407 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59410 p3=1
> > >WAIT #14: nam='direct path write' ela= 2 p1=1026 p2=59411 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59414 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59417 p3=1
> > >WAIT #14: nam='direct path write' ela= 1 p1=1026 p2=59421 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59425 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59428 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59431 p3=1
> > >WAIT #14: nam='direct path write' ela= 0 p1=1026 p2=59434 p3=1
> > >...
> > >WAIT #14: nam='direct path read' ela= 79 p1=1026 p2=41389 p3=7
> > >WAIT #14: nam='direct path read' ela= 0 p1=1026 p2=41396 p3=1
> > >WAIT #14: nam='direct path read' ela= 0 p1=1026 p2=41397 p3=7
> > >WAIT #14: nam='direct path read' ela= 0 p1=1026 p2=41404 p3=1
> > >WAIT #14: nam='direct path read' ela= 0 p1=1026 p2=41405 p3=3
> > >FETCH

#14:c=100,e=628,p=221,cr=5629,cu=12,mis=0,r=1,dep=2,og=4,tim=131853898
> > >--
> > >Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > >--
> > >Author: Tim Onions
>
> __________________________________
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> Please see the official ORACLE-L FAQ: http://www.orafaq.net
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> Author: Yong Huang
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