When you install TIBCO ActiveSpaces which is default cache provider and a pre-requisite for TIBCO BusinessEvents clusters you will get as-admin utility inside the AS_HOME/bin folder and an executable JAR in AS_HOME/lib.

You can use the admin CLI to connect to your TIBCO BusinessEvents cluster and collect useful information to help gather important cluster specific details.

set AS_HOME=<TIBCO_HOME>/as/<version>
set PATH=%AS_HOME%/lib;%PATH%

export AS_HOME=<TIBCO_HOME>/as/<version>
export LD_LIBRARY_PATH=$AS_HOME/lib:$LD_LIBRARY_PATH

as-admin> connect name "<Cluster_Name>" discovery "<Discovery_URL>" listen "<Listen_URL_For_As_Admin>"

connect [name <string>] [discovery <string>] [listen <string>] 
[member_name <string>] [security_token <string>] 
[security_policy <string>] [identity_password <string>]
[authentication_domain <string>]
[authentication_username <string>]
[authentication_password <string>]
[authentication_keyfile <string>]

as-admin> show members
Lists all members (including as-admin) which are part of the cluster

as-admin> show spaces
Lists all the spaces

as-admin> show space "<space_name>"
This will give you information on number of entries, replicas and specific operation summary on specific space.

as-admin>qldump
qldump lists all the spaces and their recovery status.