Re: tweaks for write-intensive dbs ?

Поиск
Список
Период
Сортировка
От Richard Huxton
Тема Re: tweaks for write-intensive dbs ?
Дата
Msg-id 460A1CED.4020105@archonet.com
обсуждение исходный текст
Ответ на tweaks for write-intensive dbs ?  (Jonathan Vanasco <postgres@2xlp.com>)
Ответы Re: tweaks for write-intensive dbs ?  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: tweaks for write-intensive dbs ?  (Jonathan Vanasco <postgres@2xlp.com>)
Список pgsql-general
Jonathan Vanasco wrote:
> can anyone offer some suggestions on tweaking a system for
> write-intensive operations?

> but the updating of the records as having been audited ( a bool flag )
> takes 5-10 minutes per set.

What's the limiting factor? Disk? CPU?

Any chance of seeing the queries that are causing the problem?
How many rows do they affect?
Do you have lots of indexes or foreign-key constraints that might be
taking up time to update/check?
Do your logs show messages about checkpointing happening too often?

--
   Richard Huxton
   Archonet Ltd

В списке pgsql-general по дате отправления:

Предыдущее
От: Jonathan Vanasco
Дата:
Сообщение: tweaks for write-intensive dbs ?
Следующее
От: Denis Gasparin
Дата:
Сообщение: Prepared queries vs Non-prepared