AMBARI-10066. AMS collector died due to ZK session timeout. Modified value. (swagle)

ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/metrics/timeline/PhoenixHBaseAccessor.java

@@ -446,7 +446,7 @@ public class PhoenixHBaseAccessor {
       }
     }
 
-    LOG.info("Metrics records size: " + metrics.getMetrics().size());
+    LOG.debug("Metrics records size: " + metrics.getMetrics().size());
     return metrics;
   }
 

ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/configuration/ams-hbase-site.xml

@@ -264,7 +264,7 @@
   </property>
   <property>
     <name>zookeeper.session.timeout.localHBaseCluster</name>
-    <value>120000</value>
+    <value>20000</value>
     <description>
       ZooKeeper session timeout in milliseconds for
       pseudo distributed mode.