Re: 500 requests per second

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От Dave Cramer
Тема Re: 500 requests per second
Дата
Msg-id BA544273-5925-40E7-A8CB-ABBC462BF7E9@fastcrypt.com
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Ответ на Re: 500 requests per second  ("Merlin Moncure" <mmoncure@gmail.com>)
Список pgsql-performance
> * set reasonable statement timeout
> * backup with pitr.  pg_dump is a headache on extremely busy servers.

Where do you put your pitr wal logs so that they don't take up extra
I/O ?
> * get good i/o system for your box.  start with 6 disk raid 10 and go
> from there.
> * spend some time reading about bgwriter settings, commit_delay, etc.
> * keep an eye out for postgresql hot (hopefully coming with 8.3) and
> make allowances for it in your design if possible.
> * normalize your database and think of vacuum as dangerous enemy.
>
> good luck! :-)
>
> merlin
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>       choose an index scan if your joining column's datatypes do not
>       match


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