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Re: Read Performance during Replication on Slave


Axel Urban <mailing@udslinux.de> writes:

> Hi everybody,
> i´m maintaining a openldap-infrastructure with 1 master and 7 slaves
> (slurpd-replication). The bdb-database have about 1 million entrys (2
> GB). Every morning we make a "provisioning" with new or deleted entrys
> (a perl skript, that adds one entry after the other).
> This takes about 3-5 hours (2000-5000 entrys) of replication. During
> this time, the read-operations on the slaves are very bad, so that our
> radius-servers have timeouts and users cannot authenticate.

Write operations of 2 to 5 k should only take a few minutes, thus your
overall performance should be optimised.
Depending on the OpenLDAP version and hardware, there are some
configuration parameters to tune database, memory and overall


Dieter Klünter | Systemberatung