Re: User concurrency thresholding: where do I look?
От
Josh Berkus
Тема
Re: User concurrency thresholding: where do I look?
Дата
Msg-id
200707311433.20568.josh@agliodbs.com
Ответ на
Re: User concurrency thresholding: where do I look? (Simon Riggs)
Список
Дерево обсуждения
User concurrency thresholding: where do I look? Josh Berkus <josh@agliodbs.com>
Re: User concurrency thresholding: where do I look? Alvaro Herrera <alvherre@commandprompt.com>
Re: User concurrency thresholding: where do I look? Josh Berkus <josh@agliodbs.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? Alvaro Herrera <alvherre@commandprompt.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? Josh Berkus <josh@agliodbs.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? Josh Berkus <josh@agliodbs.com>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? Josh Berkus <josh@agliodbs.com>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Alvaro Herrera <alvherre@commandprompt.com>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
CLOG Patch "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: CLOG Patch "Simon Riggs" <simon@2ndquadrant.com>
Re: CLOG Patch "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: CLOG Patch "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? Robert Lor <Robert.Lor@Sun.COM>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Simon Riggs" <simon@2ndquadrant.com>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? David Boreham <david_list@boreham.org>
Re: User concurrency thresholding: where do I look? Tom Lane <tgl@sss.pgh.pa.us>
Re: User concurrency thresholding: where do I look? "Jignesh K. Shah" <J.K.Shah@Sun.COM>
Re: User concurrency thresholding: where do I look? Greg Smith <gsmith@gregsmith.com>
Re: User concurrency thresholding: where do I look? Josh Berkus <josh@agliodbs.com>
Re: User concurrency thresholding: where do I look? "Joshua D. Drake" <jd@commandprompt.com>
Re: User concurrency thresholding: where do I look? Gregory Stark <stark@enterprisedb.com>
Re: User concurrency thresholding: where do I look? "Joshua D. Drake" <jd@commandprompt.com>
Re: User concurrency thresholding: where do I look? Greg Smith <gsmith@gregsmith.com>
Simon, > Well thats pretty weird. That code path clearly only happens once per > transaction and ought to be fast. The other code paths that take > ProcArrayLock like TransactionIdIsInProgress() and GetSnapshotData() > ought to spend more time holding the lock. Presumably you are running > with a fair number of SERIALIZABLE transactions? Given that this is TPCC-analog, I'd assume that we are. Jignesh? -- --Josh Josh Berkus PostgreSQL @ Sun San Francisco
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