bipinprasad commented on a change in pull request #3371:
URL: https://github.com/apache/storm/pull/3371#discussion_r556167382
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File path: storm-client/src/jvm/org/apache/storm/metrics2/TaskMetricRepo.java
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@@ -34,23 +34,33 @@
private SortedMap<String, Timer> timers = new TreeMap<>();
public void addCounter(String name, Counter counter) {
- counters.put(name, counter);
+ synchronized (this) {
Review comment:
Looks like all the synchronization blocks are the fully body of the
function, i.e. equivalent synchronized methods. If the intent is to make it
finer grained, then the lock should be on "counters" in the add....() methods
and for each treeMap in the deregisterMetrics().
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