@Override
  protected void stopChores() {
    shutdownChore(nonceManagerChore);
    shutdownChore(compactionChecker);
    shutdownChore(compactedFileDischarger);
    shutdownChore(periodicFlusher);
    shutdownChore(healthCheckChore);
    shutdownChore(executorStatusChore);
    shutdownChore(storefileRefresher);
    shutdownChore(fsUtilizationChore);
    shutdownChore(namedQueueServiceChore);
    shutdownChore(brokenStoreFileCleaner);
    shutdownChore(rsMobFileCleanerChore);
    shutdownChore(replicationMarkerChore);
  }
Return pause time configured in {@link HConstants#HBASE_RPC_SHORTOPERATION_RETRY_PAUSE_TIME}}
@return pause time
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java