Re: diagnosing latch free

Try:

select ln.name from v$session_wait sw, v$latchname ln where sw.p2 = ln.latch#.

Best,

George

www.pythian.com -- schlossnagle_at_pythian.com -- 877-PYTHIAN Smarter than adding another team member, Pythian has new services for supplementing DBAs: get our help with monitoring, 24x7 on-call, daily verifications, storage management, performance and more.

On Saturday, December 8, 2001, at 04:05 PM, Doug C wrote:

> I have a session that seems to be hung on a sql_statment.
>
> Here is it's session_wait entry:
>
> SID SEQ#
> ---------- ----------
> EVENT
> ----------------------------------------------------------------
> P1TEXT
> P1
> ----------------------------------------------------------------
> ----------
> P1RAW P2TEXT
> --------
> ----------------------------------------------------------------
> P2 P2RAW
> ---------- --------
> P3TEXT
> P3
> ----------------------------------------------------------------
> ----------
> P3RAW WAIT_TIME SECONDS_IN_WAIT STATE
> -------- ---------- --------------- -------------------
> 62 1239
> latch free
> address
> 805352248
> 3000B338 number
> 88 00000058
> tries
> 923
> 0000039B 0 0 WAITING
>
>
> The seq# goes up from time to time.
> My question is how to determine what kind of latch is bothering it?
> Does P2 (88) indicate what type of latch? Can I join with some other
> table to
> find out what 88 is?
>
> Thanks,
> D
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Doug C
> INET: dcowles_at_i84.net
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: George Schlossnagle
  INET: george_at_omniti.com

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