public void sendGlobalBarrierComplete() {
    LOG.debug("Finished coordinator procedure - removing self from list of running procedures");
    try {
      coord.getRpcs().resetMembers(this);
    } catch (IOException e) {
      coord.rpcConnectionFailure("Failed to reset procedure:" + procName, e);
    }
  }
Sends a message to members that all {@link Subprocedure#insideBarrier} calls have completed.
After this executes, the coordinator can assume that any state resources about this barrier
procedure state has been released.
hbase-server/src/main/java/org/apache/hadoop/hbase/procedure/Procedure.java