oh Jared darling, you did it. you forced me to correct that typo! not PCTFREE dear, PCTINCREASE. PCTFREE won't force anything to coalesce ever.
sigh, and here I thought I was gonna have an easy evening :) --- [EMAIL PROTECTED] wrote: > Since SMON will coalesce anyway if needed when a request > for extents is made, what's the point in setting PCTFREE to > a value >0 to force periodic coalesces? > > An explanation of what takes place during a request for extents > is in the concepts manual. > > Jared > > > > > > [EMAIL PROTECTED] > Sent by: [EMAIL PROTECTED] > 01/25/02 01:50 PM > Please respond to ORACLE-L > > > To: Multiple recipients of list ORACLE-L > <[EMAIL PROTECTED]> > cc: > Subject: SMON - Does it cause a degrade? > > > Hey Fellas, > > I have an application DBA who insists that the pctincrease at the > data > tablespace should be set to 0 so that SMON does not coalesce the > tablespace. He says coalesce will be performed by using a scheduled > batch > job written for that purpose. He states that having SMON to perform > an > coalesce of the tablespace could cause an performance degrade??? I > have > never heard of such a thing, but then I dont wanna argue with him. > He's > got > wrinkles on his face, and grey hair ;-) > > My argument would be, go back to the drawing board, get your tables > sized > properly, if you anticipate fragmentation. And SMON does not cause a > performance degrade? It wakes up every 5 minutes, does hold ST > enqueue > locks if a tablespace needs coalescing, but it does not cause a > performance > degrade? Or does it??? > > Now, can I have a definitive word on this? Any sites, white papers, > to > refer to that says so, or to the contrary. I need to convince the > higher > ups. > > Raj > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing > Lists > -------------------------------------------------------------------- > 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.com > -- > Author: > INET: [EMAIL PROTECTED] > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing > Lists > -------------------------------------------------------------------- > 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). __________________________________________________ Do You Yahoo!? Great stuff seeking new owners in Yahoo! Auctions! http://auctions.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
