CLUSTER strategy
От | Chris Gamache |
---|---|
Тема | CLUSTER strategy |
Дата | |
Msg-id | 20040610153412.20577.qmail@web13801.mail.yahoo.com обсуждение исходный текст |
Ответ на | Re: "select * from groupes" didn't display any data (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-admin |
I need an informed opinion: The performance boost from clustering is wonderful. But, some tables would have to clustered several times a day, since there is usually some type of "status" column that is updated pretty regularly. Clustering is an expensive operation. If I pulled out that column into another "child" table and linked the tables by a foreign key to the "parent" I could update the "child" table and it wouldn't foul up the master table's ordering at all. Create a view on the two tables, and I'd have a relatively-stable setup as far as ordering goes, yes? Is this adviseable? In the long-run, will it yield the results that I expect? Did I miss any details? Should I be looking for any pitfalls? CG __________________________________ Do you Yahoo!? Friends. Fun. Try the all-new Yahoo! Messenger. http://messenger.yahoo.com/
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