pvary commented on a change in pull request #633: HIVE-21740: Collect LLAP 
execution latency metrics
URL: https://github.com/apache/hive/pull/633#discussion_r287777099
 
 

 ##########
 File path: 
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java
 ##########
 @@ -426,9 +428,12 @@ public LlapTaskSchedulerService(TaskSchedulerContext 
taskSchedulerContext, Clock
       this.pauseMonitor = new JvmPauseMonitor(conf);
       pauseMonitor.start();
       String displayName = "LlapTaskSchedulerMetrics-" + 
MetricsUtils.getHostName();
+      int decayMetricSampleSize = HiveConf.getIntVar(conf, 
ConfVars.LLAP_DECAY_METRIC_SIZE);
+      double decayMetricAlphaFactor = (double) HiveConf.getFloatVar(conf, 
ConfVars.LLAP_DECAY_METRIC_ALPHA);
 
 Review comment:
   Not needed anymore

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