Re: 8.0.1 release performance on Window
От | Magnus Hagander |
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Тема | Re: 8.0.1 release performance on Window |
Дата | |
Msg-id | 6BCB9D8A16AC4241919521715F4D8BCE476963@algol.sollentuna.se обсуждение исходный текст |
Ответ на | 8.0.1 release performance on Window (Randy Yu <RYu@sagebrushcorp.com>) |
Список | pgsql-hackers-win32 |
It sounds like you were running without fsync() in the beta4 release. Any chance your config is different? Are your datafiles on the same directory? //Magnus >-----Original Message----- >From: pgsql-hackers-win32-owner@postgresql.org >[mailto:pgsql-hackers-win32-owner@postgresql.org] On Behalf Of Randy Yu >Sent: den 22 februari 2005 20:13 >To: 'pgsql-hackers-win32@postgresql.org' >Subject: [pgsql-hackers-win32] 8.0.1 release performance on Window > > >I has been using 8.0.0beta 4 for some performance testing and >have great >result. >After migrated to 8.0.1 release, I saw a drop of 10 fold in >performance. >A large import and update of 10,000 record use to take 1 hr with beta 4 >With 8.0.1 release, it take 10 hours to do the exact same task. >Both install is the default install from PGInstall with no tunning. >Any help in explaining this change in performance will be greatly >appreciated. >Thanks >Randy > > >---------------------------(end of >broadcast)--------------------------- >TIP 9: the planner will ignore your desire to choose an index >scan if your > joining column's datatypes do not match >
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