The LogCleanupCommand executor command cleans up data from variableinstancelog and nodeinstancelog tables associated with active processes. Only processinstancelog is filtered by status completed and aborted in LogCleanupCommand class[1].

It should remove only data from non-active processes.

[1] https://github.com/droolsjbpm/jbpm/blob/master/jbpm-services/jbpm-executor/src/main/java/org/jbpm/executor/commands/LogCleanupCommand.java#L129