architjainjain commented on code in PR #6501:
URL: https://github.com/apache/hive/pull/6501#discussion_r3457178569
##########
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/monitoring/TezProgressMonitor.java:
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@@ -327,6 +338,62 @@ public int hashCode() {
}
}
+ @Override
+ public String queueMetrics() {
+ if (metricsCollector == null) {
+ return "";
+ }
+
+ try {
+ YarnQueueMetricsCollector.QueueMetricsSnapshot snapshot =
metricsCollector.getLatestSnapshot();
+ if (snapshot == null) {
+ return "QUEUE: unavailable";
+ }
+
+ // Calculate staleness
+ long stalenessSeconds = (System.currentTimeMillis() -
snapshot.getCollectionTimestamp()) / 1000;
+ String stalenessStr = stalenessSeconds > 60 ? ">60s ago" :
stalenessSeconds + "s ago";
+
+ // Truncate queue name from start if too long
+ String queueName = metricsCollector.getQueueName();
+ // Max length for line 1: 94 - "QUEUE: (XXXs ago)".length()
+ String stalenessAppend = " (" + stalenessStr + ")";
+ int maxQueueNameLength = InPlaceUpdate.MIN_TERMINAL_WIDTH - "QUEUE:
".length() - stalenessAppend.length();
+ String displayQueueName = queueName;
+ if (queueName.length() > maxQueueNameLength && maxQueueNameLength > 3) {
+ int keepLength = maxQueueNameLength - 3; // Leave room for "..."
+ displayQueueName = "..." + queueName.substring(queueName.length() -
keepLength);
+ }
Review Comment:
done
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