b-slim commented on a change in pull request #633: HIVE-21740: Collect LLAP
execution latency metrics
URL: https://github.com/apache/hive/pull/633#discussion_r289145568
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File path:
llap-tez/src/java/org/apache/hadoop/hive/llap/tezplugins/LlapTaskSchedulerService.java
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@@ -426,9 +428,10 @@ public LlapTaskSchedulerService(TaskSchedulerContext
taskSchedulerContext, Clock
this.pauseMonitor = new JvmPauseMonitor(conf);
pauseMonitor.start();
String displayName = "LlapTaskSchedulerMetrics-" +
MetricsUtils.getHostName();
+ int latencyMetricWindowSize = HiveConf.getIntVar(conf,
ConfVars.LLAP_LATENCY_METRIC_WINDOW_SIZE);
Review comment:
what happen if this is set to `< 0`
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