[GitHub] [kafka] philipnee commented on a diff in pull request #13270: KAFKA-14729: The kafakConsumer pollForFetches(timer) method takes up a lot of cpu due to the abnormal exit of the heartbeat thread

[via GitHub]

philipnee commented on code in PR #13270:
URL: https://github.com/apache/kafka/pull/13270#discussion_r1117263913


##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/AbstractCoordinator.java:
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@@ -355,6 +355,12 @@ protected synchronized long timeToNextHeartbeat(long now) {
         // we don't need to send heartbeats
         if (state.hasNotJoinedGroup())
             return Long.MAX_VALUE;
+        if (heartbeatThread != null) {

Review Comment:
   We could 1 line it ya?
   ```
   if (heartbeatThread != null && heartbeatThread.hasFailed()) {
   ...
   }
   ```



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