Re: testing HS/SR - 1 vs 2 performance
От | Simon Riggs |
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Тема | Re: testing HS/SR - 1 vs 2 performance |
Дата | |
Msg-id | 1272408354.4161.8477.camel@ebony обсуждение исходный текст |
Ответ на | Re: testing HS/SR - 1 vs 2 performance (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: testing HS/SR - 1 vs 2 performance
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Список | pgsql-hackers |
On Tue, 2010-04-27 at 18:08 -0400, Tom Lane wrote: > Simon Riggs <simon@2ndQuadrant.com> writes: > > On Tue, 2010-04-27 at 17:24 -0400, Tom Lane wrote: > >> I think we should just lose that test, as well as the variable. > > > Yes, though it looks like it is still necessary in creating a valid > > initial state because otherwise we may have xids in KnownAssigned array > > that are already complete. > > Huh? How is a filter as coarse as an oldest-running-XID filter going > to prevent that? And aren't we initializing from trustworthy data in > ProcArrayApplyRecoveryInfo, anyway? > > I still say it's useless. Quite possibly. Your looking at other code outside of this patch. I'm happy that you do so, but is it immediately related? I can have another look when we finish this. -- Simon Riggs www.2ndQuadrant.com
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