Re: MVCC performance issue
От | Kyriacos Kyriacou |
---|---|
Тема | Re: MVCC performance issue |
Дата | |
Msg-id | 8BCBF9DB739F034B87FE7C7D30EAE55C279F0551@hqex2k.francoudi.com обсуждение исходный текст |
Ответ на | MVCC performance issue ("Kyriacos Kyriacou" <kyriacosk@prime-tel.com>) |
Список | pgsql-performance |
This was done already as a workaround after identifying this problem. I just gave it as an example. -----Original Message----- From: Vitalii Tymchyshyn [mailto:tivv00@gmail.com] Sent: Friday, November 12, 2010 5:54 PM To: Kyriacos Kyriacou Cc: pgsql-performance@postgresql.org Subject: Re: [PERFORM] MVCC performance issue 12.11.10 15:47, Kyriacos Kyriacou написав(ла): > PROBLEM DECRIPTION > ------------------ > As an example, consider updating the "live" balance > of a customer for each phone call where the entire customer record has > to be duplicated again and again upon each call just for modifying a > numeric value! > Have you considered splitting customer record into two tables with mostly read-only data and with data that is updated often? Such 1-1 relationship can make a huge difference to performance in your case. You can even try to simulate old schema by using an updateable view. Best regards, Vitalii Tymchyshyn
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