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Posted to issues@spark.apache.org by "Zhongwei Zhu (Jira)" <ji...@apache.org> on 2022/10/13 03:59:00 UTC

[jira] [Created] (SPARK-40778) Make HeartbeatReceiver as an IsolatedRpcEndpoint

Zhongwei Zhu created SPARK-40778:
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             Summary: Make HeartbeatReceiver as an IsolatedRpcEndpoint
                 Key: SPARK-40778
                 URL: https://issues.apache.org/jira/browse/SPARK-40778
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.3.0
            Reporter: Zhongwei Zhu


All RpcEndpoint including HeartbeatReceiver in driver are sharing one thread pool. When there're lots of rpc messages queued, the waiting process time of heartbeat time could easily exceed heartbeat timeout. Make HeartbeatReceiver extends IsolatedRcpEndpoint then it has dedicated single thread to process heartbeat



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