RE: local write wait event

  • From: "Bobak, Mark" <Mark.Bobak@xxxxxxxxxxxxxxx>
  • To: <john.kanagaraj@xxxxxxx>, <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 18 Oct 2004 15:54:18 -0400


You don't mention a version, but it sounds to me like you'd want
to use global temporary tables and avoid the TRUNCATE all together.


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of John Kanagaraj
Sent: Monday, October 18, 2004 3:42 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: RE: local write wait event


>see this during (rarely) Truncating a large table while most of the
>buffers of that table in cache. During TRUNCATEs the session has to a
>local checkpoint and during this process, the session may wait for
>'local write' wait.

We are seeing a number of these waits on a largish Oracle Applications
database that has frequent TRUNCATEs some 'temporary' tables that are =
for Inventory's ATP (Available-To-Promise) processes. Makes sense!

John Kanagaraj <><
DB Soft Inc
Phone: 408-970-7002 (W)

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