hapylestat commented on a change in pull request #3254:
URL: https://github.com/apache/ambari/pull/3254#discussion_r516771850



##########
File path: 
ambari-metrics/ambari-metrics-timelineservice/src/main/java/org/apache/ambari/metrics/core/timeline/upgrade/core/AbstractPhoenixMetricsCopier.java
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@@ -53,7 +53,7 @@ public AbstractPhoenixMetricsCopier(String inputTableName, 
String outputTableNam
   @Override
   public void run(){
     LOG.info(String.format("Copying %s metrics from %s to %s", metricNames, 
inputTable, outputTable));
-    final long startTimer = System.currentTimeMillis();
+    final long st = System.currentTimeMillis();

Review comment:
       what is st?   can we rename it to something with more meaning like 
timerStart   and estimatedTime for example to timerDelta




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