architjainjain commented on code in PR #6501:
URL: https://github.com/apache/hive/pull/6501#discussion_r3713606881
##########
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/monitoring/TezJobMonitor.java:
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@@ -144,6 +153,99 @@ private RenderStrategy.UpdateFunction updateFunction() {
: new RenderStrategy.LogToFileFunction(this, perfLogger);
}
+ /**
+ * Initializes the YARN queue metrics collector based on configuration.
+ *
+ * <p>This method implements the Null Object pattern - it always returns a
non-null collector.
+ * When metrics collection is disabled or initialization fails, a no-op
collector is returned.
Review Comment:
done
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