Re: Maintenance question / DB size anomaly... - Mailing list pgsql-performance

From Bill Moran
Subject Re: Maintenance question / DB size anomaly...
Date
Msg-id 20070620092542.1f530273.wmoran@collaborativefusion.com
Whole thread Raw
In response to Re: Maintenance question / DB size anomaly...  (Kurt Overberg <kurt@hotdogrecords.com>)
List pgsql-performance
In response to Kurt Overberg <kurt@hotdogrecords.com>:

> OOooooookaaaaaaaaay.   Since the discussion has wandered a bit I just
> wanted to restate things in an effort to clear the problem in my head.
>
> Okay, so the sl_log_1 TABLE looks okay.  Its the indexes that seem to
> be messed up, specifically sl_log_1_idx1 seems to think that there's
>  > 300,000 rows in the table its associated with.  I just want to fix
> the index, really.  So my question remains:

Apologies, I must have misunderstood some previous message.

> Its it okay to dump and recreate that index (or reindex it) while the
> servers are down and the database is not being accessed?

There are people here who know _way_ more than me -- but I can't see any
reason why you couldn't just REINDEX it while everything is running.  There
may be some performance slowdown during the reindex, but everything should
continue to chug along.  A drop/recreate of the index should be OK as well.

> Tom, Bill, Chris and Richard, thank you so much for your thoughts on
> this matter so far.  It helps to not feel "so alone" when dealing
> with difficult issues (for me anyway) on a system I don't know so
> much about.

:D  Isn't Open Source great!

--
Bill Moran
Collaborative Fusion Inc.
http://people.collaborativefusion.com/~wmoran/

wmoran@collaborativefusion.com
Phone: 412-422-3463x4023

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