private boolean isHealthCheckerConfigured() {
    String healthScriptLocation = this.conf.get(HConstants.HEALTH_SCRIPT_LOC);
    return org.apache.commons.lang3.StringUtils.isNotBlank(healthScriptLocation);
  }
We need a timeout. If not there is a risk of giving a wrong information: this would double the
number of network calls instead of reducing them.
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java