anmolanmol1234 commented on code in PR #6314:
URL: https://github.com/apache/hadoop/pull/6314#discussion_r1439320952
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hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AbfsCountersImpl.java:
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@@ -63,6 +67,12 @@ public class AbfsCountersImpl implements AbfsCounters {
private final IOStatisticsStore ioStatisticsStore;
+ private AtomicReference<AbfsBackoffMetrics> abfsBackoffMetrics = null;
+
+ private AtomicReference<AbfsReadFooterMetrics> abfsReadFooterMetrics = null;
Review Comment:
The reason for this is that multiple threads can update metrics
simultaneously. So for concurrency without explicit need of synchronization, we
are using atomic references
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