Re: VERY slow after many updates
От
Guido Neitzer
Тема
Re: VERY slow after many updates
Дата
Msg-id
AC098147-E4DC-4313-AFB3-196F1B81B96E@pharmaline.de
Ответ на
Re: VERY slow after many updates (Alex Wang)
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Дерево обсуждения
Re: VERY slow after many updates "Alex Wang" <alex@alexwang.com>
Re: VERY slow after many updates Scott Marlowe <smarlowe@g2switchworks.com>
On 19.11.2005, at 13:05 Uhr, Alex Wang wrote: > Yes, it's a "queue" table. But I did not perform many insert/delete > before it becomes slow. After insert 10 records, I just do get/ > update continuously. When PostgreSQL updates a row, it creates a new row with the updated values. So you should be aware, that the DB gets bigger and bigger when you only update your rows. Vacuum full reclaims that used space. The concepts are described in detail in the manual in chapter 12. cug -- PharmaLine Essen, GERMANY and Big Nerd Ranch Europe - PostgreSQL Training, Dec. 2005, Rome, Italy http://www.bignerdranch.com/classes/postgresql.shtml
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