manika137 commented on code in PR #8043:
URL: https://github.com/apache/hadoop/pull/8043#discussion_r2470589786
##########
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/services/AbfsRestOperation.java:
##########
@@ -531,6 +544,12 @@ private boolean executeHttpOperation(final int retryCount,
if (shouldUpdateCSTMetrics(statusCode) && !wasKnownExceptionThrown) {
intercept.updateMetrics(operationType, httpOperation);
}
+
+ // Update Tail Latency Tracker only for successful requests.
+ if (tailLatencyTracker != null && statusCode <
HttpURLConnection.HTTP_MULT_CHOICE) {
+ tailLatencyTracker.updateLatency(operationType,
Review Comment:
can 2 threads call updateLatency() for the same operation type
simultaneously and create histograms?
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