RE: Waking SMON Not Doing Trick

SMON takes 5 minutes before it wakes up.

I have used the oradebug wakeup in Version 8i and it has worked for me, although I don't need to use it much, I know it has worked when I have.

"Do not criticize someone until you walked a mile in their shoes, that way when you criticize them, you are a mile a way and have their shoes."

Christopher R. Spence
Oracle DBA
Phone: (978) 322-5744
Fax: (707) 885-2275

Fuelspot
73 Princeton Street
North, Chelmsford 01863  

-----Original Message-----
Sent: Friday, September 21, 2001 2:35 PM To: Multiple recipients of list ORACLE-L

The problem is not the TEMP tablespace. Rather, the index rebuild is failing on finding "temp segment" space in the index's tablespace. This is because SMON doesn't seem to be cleaning the temp segments after the prior index's rebuild is done, and eventually, the rebuild of the indexes fails. However, when I restart the process in a few minutes, the index that failed before works now, but a different index (or partition) fails. This seems to point to SMON not working fast enough to clean out the temp segments before the next index's rebuild starts.

The "wake smon" script worked great in 8.0 to fix this problem, but doesn't seem to work (or at least work fast enough) in 8i.

Is there anything that can be done?

Wayne

-----Original Message-----
Sent: Friday, September 21, 2001 8:00 AM To: Multiple recipients of list ORACLE-L

Have you tried setting the TEMP tablespaces PCTINCREASE value to 1 and then
to 0 again?

Mark

-----Original Message-----
Bellefeuille, Wayne S
Sent: Friday, September 21, 2001 13:15
To: Multiple recipients of list ORACLE-L

This is the one I am running. It just doesn't seem to be doing the trick in 8i, where it worked fine for 8.0. Is that possible? Or do I need to look elsewhere for my temp segment problem?

Wayne

-----Original Message-----
Sent: Thursday, September 20, 2001 3:05 PM To: Multiple recipients of list ORACLE-L

Steve Adams has a script, but I don't know if it works 8i

http://www.ixora.com.au/scripts/sql/post_smon.sql

-----Original Message-----
Sent: Thursday, September 20, 2001 1:56 PM To: Multiple recipients of list ORACLE-L

Back in 8.0 days, we were running into space problems for temp segments while rebuilding indexes on our large partitioned tables. Someone on this list suggested that we use the "wake SMON" approach, which essentially running the following command from svrmgrl: noradebug wakeup <smon_pid>.

This worked great. However, now that we have moved to 8i, we have started getting the temp segments space problem again. That is, this command doesn't seem to be doing its job anymore.

Any ideas?

Wayne Bellefeuille

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