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Is checkpoint required any more?

To: openldap-technical@openldap.org
Subject: Is checkpoint required any more?
From: Geoff Swan <gswan3@bigpond.net.au>
Date: Wed, 11 Jul 2018 08:50:27 +1000
Content-language: en-GB
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.0

I am running openldap-2.4.44 (source build) using lmdb backend with
configuration set in slapd.conf on a Linux machine.
The configuration includes dbnosync and also checkpoint settings.
The kernel vm settings are flushing dirty cache pages to disc
periodically, so my question is what is the reason for the checkpoint
setting if the kernel is already taking care of page flushing?

Follow-Ups:
- Re: Is checkpoint required any more?
  - From: Howard Chu <hyc@symas.com>

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