Nope, it's not accurate. PGA areas for shared server sessions are also allocated from the large pool.
Mladen Gogala Oracle DBA Phone:(203) 459-6855 Email:[EMAIL PROTECTED] -----Original Message----- Sent: Monday, June 02, 2003 4:35 PM To: Multiple recipients of list ORACLE-L for some reason we have 100MB large pool. I dont think we need it at all. I read that its only used by RMAN or Parallel server. Is that accurate? > > From: DENNIS WILLIAMS <[EMAIL PROTECTED]> > Date: 2003/06/02 Mon PM 03:39:42 EDT > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > Subject: RE: question about large pool > > Use the large pool to store what? I can think of 3 aspects of a transaction: > - Rollback (you've probably read about SET TRANSACTION) > - SQL statements, execution plans (more an issue with bind variables) > - Data blocks > It sounds like you might be thinking of data blocks. You didn't mention your > Oracle version, but from 8i on you can define 3 buffer pools. The normal one > is DEFAULT. You can also define a KEEP and RECYCLE pool. Someone on this > list (sorry I can't recall who) pointed out that there isn't anything magic > about those labels. If your transaction uses different tables from the other > transactions, you could create what is needed for those tables in one of > those pools, assign the tables to that pool, and this would minimize the > interference. If all the transactions hit pretty much the same tables, then > Oracle is probably reusing the blocks anyway. Hope this responds to your > question. > > Dennis Williams > DBA, 80%OCP, 100% DBA > Lifetouch, Inc. > [EMAIL PROTECTED] > > > -----Original Message----- > Sent: Monday, June 02, 2003 1:40 PM > To: Multiple recipients of list ORACLE-L > > > I think I read this somewhere, but I cant find it. Is it possible to use the > large pool for a specific transaction? We run alot of large batch DML > statements over night. We have one that involves an 8GB table. The blocks > from this table are being knocked out of the buffer cache by shorter and > quicker batches. > > Id like to find to store this transaction in memory without having to worry > about them getting knocked out of memory. > Cache wont do it. It will stick get pushed out. > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: <[EMAIL PROTECTED] > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: DENNIS WILLIAMS > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 http://www.fatcity.com > San Diego, California -- Mailing list and web hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: <[EMAIL PROTECTED] INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Gogala, Mladen INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
