Juan Asensio S?nchez wrote: > Hi > > I am trying to tune the performance of the Directory Server. We have > increased the memory for the database cache and for each database > entry cache. These are the new values: > > cn=config, cn=ldbm database, cn=plugins, cn=config > nsslapd-dbcachesize: 838860800 (~800MB) > > cn=*,cn=ldbm database, cn=plugins, cn=config > nsslapd-cachememsize: 125829120 (~120MB) > > We have 27 databases, and the servers have 16 GB of RAM, so the server > should be able to handle all that memory (800 + 120*27 = 4040MB). But > when I go to the monitoring section of the management console, the > database cache says the hit ratio is 99% (this is OK according to the > documentation, near 100%), but the entry cache is 0%, that is very far > for 100% that the documentation recomends (see screenshots attached). > Am I confused or the configuration is not correct? When you start out with an empty cache, the cache hit ratio will be 0 until entries get into the cache and are pulled from the cache rather than the database. Try doing a search like ldapsearch ... -b "basesuffixofdatabase" "objectclass=*" > > Regards. > > * http://www.redhat.com/docs/manuals/dir-server/8.1/admin/memoryusage.html > * > http://www.redhat.com/docs/manuals/dir-server/8.1/admin/Monitoring_Server_and_Database_Activity-Monitoring_Database_Activity.html > * > http://www.redhat.com/docs/manuals/dir-server/8.1/admin/Monitoring_Server_and_Database_Activity-Monitoring_Server_Activity.html#tab.Global_Database_Cache_Information > * > http://www.redhat.com/docs/manuals/dir-server/8.1/admin/Monitoring_Server_and_Database_Activity-Monitoring_Server_Activity.html#Monitoring_Server_Activity-Monitoring_the_Server_from_the_DS_Console > > > > ------------------------------------------------------------------------ > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------ > > -- > 389 users mailing list > 389-users at lists.fedoraproject.org > https://admin.fedoraproject.org/mailman/listinfo/389-users
