Re: Knowing free mdb space

[Clément OUDOT <clement.oudot@savoirfairelinux.com>]

Le 07/01/2016 11:57, Angel L. Mateo a écrit :
> Hello,
>
>     I have recently migrated my openldap server from hdb to mdb. In 
> this kind of database you configure the maximal database size with 
> maxsize option.
>
>     Although I have configure this option with 8GB, more than the 
> double of my actual database size, I would like to know if there is 
> any way to calculate the remaining size.
>
>     According to [1] you can get the actual size with a du. But my 
> problem is that I'm using zfs with a compressed file system, so du 
> reports the compressed size, not the real one.
>
>     Is there any way to get this value? Or my real maximum size is 8GB 
> after compression?
>
> [1] https://wiki.zimbra.com/wiki/OpenLDAP_Performance_Tuning_8.0

Hi,

I wrote a monitoring plugin that uses mdb_stat to do this :
* http://ltb-project.org/wiki/documentation/nagios-plugins/check_lmdb_usage
* 
http://tools.ltb-project.org/projects/ltb/repository/entry/nagios-plugins/trunk/check_lmdb_usage.pl

--
Clément OUDOT
Consultant en logiciels libres, Expert infrastructure et sécurité
Savoir-faire Linux
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