Tengfei Huang created SPARK-54433:
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Summary: Remove unnecessary syncrhonized usage in standalone worker
Key: SPARK-54433
URL: https://issues.apache.org/jira/browse/SPARK-54433
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 4.0.1
Reporter: Tengfei Huang
Worker is a `ThreadSafeRpcEndpoint`, no need to use synchronized block if there
are no extra async operations while handling the rpc messages.
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