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Re: Should Berkeley DB backends be reloaded occasionally?
Back in the days of OpenLDAP 2.1 with Berkeley DB 18.104.22.168 we used to have to
'reload' out backend database occasionally as non-indexed reads would get
slower and slower over time. The 'reload' entailed:
* stop slapd
* slapcat the contents to an .ldif file
* remove the database files
* slapadd the .ldif file to create a new, fresh db instance
* start slapd
Then our performance problems went away. Re-indexing didn't do the trick.
Is such occasional re-building of the backend database recommended in OpenLDAP
2.4.25 with Berkeley DB 4.8.30?
Try it and see.
Non-indexed reads are always going to be pretty slow, regardless.
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/