private void setQuotasObserver(Configuration conf) {
    // Add the Observer to delete quotas on table deletion before starting all CPs by
    // default with quota support, avoiding if user specifically asks to not load this Observer.
    if (QuotaUtil.isQuotaEnabled(conf)) {
      updateConfigurationForQuotasObserver(conf);
    }
  }
Get the compaction state of the table
@param tableName The table name
@return CompactionState Compaction state of the table
hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java