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SAMZA-2795: Set thread to daemon thread for operator executor service #1690

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Nov 8, 2023
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SAMZA-2795: Set thread to daemon thread for operator executor service #1690

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4 changes: 3 additions & 1 deletion samza-core/src/main/java/org/apache/samza/task/DefaultTaskExecutorFactory.java
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,9 @@ public ExecutorService getOperatorExecutor(TaskName taskName, Config config) {
} else {
LOG.info("Using single threaded thread pool as operator thread pool for task {}", key.getTaskName());
operatorExecutor = Executors.newSingleThreadExecutor(
new ThreadFactoryBuilder().setNameFormat("Samza " + key.getTaskName() + " Thread-%d").build());
new ThreadFactoryBuilder().setNameFormat("Samza " + key.getTaskName() + " Thread-%d")
.setDaemon(true)
.build());
}

return operatorExecutor;
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