NSS MySQL - Patches: patch #4942, Significant reduction of cpu load...
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patch #4942: Significant reduction of cpu load when using +2000 in uid/gid lookups
Submitter: | None | ||
Submitted: | Wed 01 Mar 2006 12:02:07 PM UTC | ||
Category: | None | Priority: | 5 - Normal |
Status: | None | Privacy: | Public |
Assigned to: | None | Originator Email: | -email is unavailable- |
Open/Closed: | Open |
Wed 01 Mar 2006 12:04:43 PM UTC, comment #1: |
Anonymous |
Wed 01 Mar 2006 12:02:07 PM UTC, original submission:
We are using a query that looks a little like:
|
Anonymous |
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Follows 1 latest change.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2006-03-01 | None | Attached File | - | Added nss-mysql-uid.patch, #6002 |
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Corresponding source code
Forgot to mention that the patch also removes the 'order by uid/gid desc' clause from the lookups. This was causing the query to get file sorted on disk which also caused a big slowdown. It only seemed to appear in the most recent version of nss-mysql.