| From: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
|---|---|
| To: | "崔岩ccuiyyan(at)sina(dot)com" <ccuiyyan(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Buffer miss ratio |
| Date: | 2009-01-01 09:08:28 |
| Message-ID: | 495C880C.10609@enterprisedb.com |
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| Lists: | pgsql-hackers |
崔岩ccuiyyan(at)sina(dot)com wrote:
> I want to get the number of misses for the buffer pool of PostgreSQL.
> Is there any methods or
>
> performance tools I can use to get the information?
Yes. Please see the manual chapters on "Monitoring database activity".
The pgstatio_* views in particular.
PS. This mailing list is for discussion on development of PostgreSQL.
Questions on usage belong to pgsql-general, or one of the other user
mailing lists.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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