On Fri, May 07, 2021 at 08:14:52 -0700, Quanah Gibson-Mount wrote:
> Your described write traffic pattern is known to cause fragmentation in the
> database (which causes there to be a large number of free pages). OpenLDAP
> 2.5 has features to address this, specifically the multival settings. See
On 5/7/21 5:14 PM, Quanah Gibson-Mount wrote:
>
>
> --On Thursday, May 6, 2021 12:47 PM -0700 Zetan Drableg
> wrote:
>> What accounts for MDB free/unused page growth? We make lots of
>> incremental inserts and removals (Add new user, add user to group,
>> remove user from group, remove user). Re
--On Thursday, May 6, 2021 12:47 PM -0700 Zetan Drableg
wrote:
What accounts for MDB free/unused page growth? We make lots of
incremental inserts and removals (Add new user, add user to group,
remove user from group, remove user). Removal actions seem to trigger
the query latency.
Your
openldap 2.4.57
On 4/14 I ran mdb_copy -c to compact the DB and remove free pages.
At that point I had 736k pages/2.9G file size. After compact the
database is 41k pages and 140M.
This solved my ldap request latency problem (seeing 30 second delays
in simple queries when ldap updates are happening
