The deployer is used to distribute apps and user files to search head-cluster members. This occurs when you execute a command to apply a new or updated configuration bundle that you have prepared; it also occurs when a search-cluster member joins or rejoins the cluster—it contacts the deployer to see whether there are any updates it needs to download—so that all search-cluster members always have identical configurations.
The deployer function in a small Splunk installation can reside on another supporting member, such as a cluster master or license master. In larger deployments, it should be a dedicated instance, mostly because the other dedicated instances will be pretty busy performing their respective functions.
The ...
