RE: Rollback waiting on 'cache buffer chains' latch - SOLVED
- To: "Tanel Poder" <tanel.poder.003@xxxxxxx>, "K Gopalakrishnan" <kaygopal@xxxxxxxxx>, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 10 Jan 2007 13:31:44 -0700
Sounds likely to me - I can't find any gets on this latch in the current
instance, nor in any of the statspack snapshots:
SQL> select name, gets from v$latch where latch#=62;
NAME
GETS
----------------------------------------------------------------
----------
KJC receiver queue access list
0
SQL> select * from stats$latch where latch#=62 and gets > 0;
no rows selected
Thanks,
Brandon
-----Original Message-----
From: Tanel Poder [mailto:tanel.poder.003@xxxxxxx]
I'm just guessing here, but it might be possible that the hanganalyze
command itself posted PMON, which triggered the RAC aware hanganalyze
code there, which waited on the latch. So this KJC latch wait could be a
false alarm..
Tanel.
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