Hello All, I have tried updating ulimits values but it is not persistant in all the instances. Production environment which I am working on is having cluster/licensce master, search head cluster, indexer cluster and few heavy forwarder instances. - As per splunk recommendation tried updating ulimits in /etc/security/limits.conf file and done the service restart. Post that ulimits got persistently updated only in indexer instances and in rest of the instances there was no changes in ulimits value. - Tried hard coding ulimits values in etc/init.d/splunk file inside splunk start () fucntion as well when it boot starts and rebooted the instances. Post that ulimits persistently updated in only indexer and search head instances  In heavy forwarder and licence master instances even if I try to increasing ulimits after couple of hpours it is getting reduced and can you please suggest ehat can be done to set the ulimits persistantly    - ... View more