I'll amend The True Way (TM) based on your suggestions. -- Mladen Gogala Oracle DBA
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Tanel Poder > Sent: Friday, September 19, 2003 1:10 PM > To: Multiple recipients of list ORACLE-L > Subject: Re: sizing sort_area_size > > > > That gives you only the current use of sort segments. The > same applies > > to reasoning based on v$sort_usage and V$TEMP_SPACE_HEADER. > The only > > True Way(TM) of tuning sorts is by using v$sysstat and v$sesstat > > values, > > I think tuning sorts based on "in-memory sort" vs "not-in > memory sort" calculations might be ok in simple OLTP > envivronments, but in modern DW and OLAP world they give too > simplistic overiew of what's happening in database. I'd > definitely add events 10032 and 10033 trace for tuning big > sorts (v$tempstat and even 10046 trace with waits can be > somewhat useful as well). > > Tanel. > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Tanel Poder > 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). > Note: This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No confidentiality or privilege is waived or lost by any mistransmission. If you receive this message in error, please immediately delete it and all copies of it from your system, destroy any hard copies of it and notify the sender. You must not, directly or indirectly, use, disclose, distribute, print, or copy any part of this message if you are not the intended recipient. Wang Trading LLC and any of its subsidiaries each reserve the right to monitor all e-mail communications through its networks. Any views expressed in this message are those of the individual sender, except where the message states otherwise and the sender is authorized to state them to be the views of any such entity. -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Mladen Gogala 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).
