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Re: Is putting slapd into read-only mode sufficient for backups?

To: openldap-technical@openldap.org
Subject: Re: Is putting slapd into read-only mode sufficient for backups?
From: Buchan Milne <bgmilne@staff.telkomsa.net>
Date: Fri, 10 Feb 2012 17:03:55 +0200
In-reply-to: <24edf0aeb8913c22e5c7d733df220b8d@ulrik.uio.no>
References: <20120207215352.GI532@numachi.com> <183a1ca0950815fc4b1bd8c08ad7be33@ulrik.uio.no> <24edf0aeb8913c22e5c7d733df220b8d@ulrik.uio.no>
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On Friday, 10 February 2012 01:04:09 Hallvard B Furuseth wrote:

>  Getting back to how to speed up restore:
> 
>  If you do move to slapcat/slapadd, note that tuning slapd as described
>  in the Guide speeds up slapadd a lot, if you have not already done
>  that.  So does the -q flag to slapadd. 

But, I still have problems with restore speed on my databases on current 
OpenLDAP on current platforms.

Specifically, OpenLDAP 2.3 and 2.4 can both do imports of a ~ 300 000 entry 
database in under an hour, but only on RHEL4. On RHEL5 (everything else 
identical), both 2.3 and 2.4 are about 6 times slower. I'm not sure if we have 
results for RHEL6 yet ...

Under an hour for a restore is fine. Over 4 is unacceptable.

Regards,
Buchan

Follow-Ups:
- Re: Is putting slapd into read-only mode sufficient for backups?
  - From: Howard Chu <hyc@symas.com>

References:
- Is putting slapd into read-only mode sufficient for backups?
  - From: Brian Reichert <reichert@numachi.com>
- Re: Is putting slapd into read-only mode sufficient for backups?
  - From: Hallvard B Furuseth <h.b.furuseth@usit.uio.no>
- Re: Is putting slapd into read-only mode sufficient for backups?
  - From: Hallvard B Furuseth <h.b.furuseth@usit.uio.no>

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