I have a asynchronous method enabled using @Async annotation. At times i am seeing SimpleAsyncTaskExecutor thread count increases exponentially. Any idea on this behavior?
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Have you configured CustomThreadPool? – Karthik Bharadwaj Feb 21 '17 at 06:18
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No i haven't configured CustomThreadPool – Suraj Feb 22 '17 at 01:30
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It is better if you configure the customThreadPool.Check this out. http://stackoverflow.com/questions/13206792/spring-async-limit-number-of-threads – Karthik Bharadwaj Feb 22 '17 at 07:52
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If it increases literally exponentially it sounds like the async method is calling itself perhaps?
Viktor Mellgren
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By default, Spring uses a SimpleAsyncTaskExecutor to run the methods asynchronously. SimpleAsyncTaskExecutor spawns a new thread with each task and does not support thread pooling and queueing of tasks. So, if the async method is called multiple times in a short span of time, multiple threads will be opened for each task You should define your own executor. Refer the following link http://www.baeldung.com/spring-async
eeedev
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