Skip to content

Event processing services

Daemon Instances Memory (Small/Default) Memory (Med) Memory (Large) Config Options
zenactiond 2 1 GB 1 GB 1 GB If Impact installed proactively set maintenance-window-batch-size to 10 in zenactiond.conf and if not, leave at default 200.
zeneventd S - 2; M - 4; L- 8 1 GB 1 GB 1 GB
zeneventserver 1 4 GB 6 GB 8 GB
zenimpactstate 1 1 GB 1GB 1 GB If additional instances of zenimpactstate are required, disable pre-fetching in zenimpactstate.conf by setting prefetch 1. Failure to do so may result in messages being processed out of order, leading to inconsistent service state information (i.e., a clear event can be processed before its associated fault event).