@Override
  public void setConf(Configuration conf) {
    if (conf == null) {
      conf = HBaseConfiguration.create();
    }
    this.conf = conf;
  }
This is a Map of table to timeout. The timeout is for reading all regions in the table; i.e. we
aggregate time to fetch each region and it needs to be less than this value else we log an
ERROR.
hbase-server/src/main/java/org/apache/hadoop/hbase/tool/CanaryTool.java