| From: | Mladen Gogala <mladen(dot)gogala(at)vmsinfo(dot)com> |
|---|---|
| To: | Gael Le Mignot <gael(at)pilotsystems(dot)net> |
| Cc: | "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Periodically slow inserts |
| Date: | 2010-10-21 16:15:03 |
| Message-ID: | 4CC06707.8090809@vmsinfo.com |
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| Thread: | |
| Lists: | pgsql-performance |
Gael Le Mignot wrote:
> Hello,
>
> We are using PostgreSQL for storing data and full-text search indexes
> for the webiste of a daily newspaper. We are very happy overall with the
> results, but we have one "weird" behaviour that we would like to solve.
>
> The problem is when we index objects into the full-text search part of
> the database (which a DELETE and then an INSERT into a specific table),
> the INSERT sometimes take a long time (from 10s to 20s), but the same
> insert (and many other similar ones) are fast (below 0.2s).
>
Have you tried with strace, just to see where the time is spent?
--
Mladen Gogala
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
http://www.vmsinfo.com
The Leader in Integrated Media Intelligence Solutions
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