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Posted to issues@camel.apache.org by "Raul Kripalani (JIRA)" <ji...@apache.org> on 2013/01/16 01:14:13 UTC

[jira] [Created] (CAMEL-5974) camel-jms: Make ThreadPoolTaskExecutor the default Task Executor

Raul Kripalani created CAMEL-5974:
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             Summary: camel-jms: Make ThreadPoolTaskExecutor the default Task Executor
                 Key: CAMEL-5974
                 URL: https://issues.apache.org/jira/browse/CAMEL-5974
             Project: Camel
          Issue Type: Improvement
          Components: camel-jms
            Reporter: Raul Kripalani
            Assignee: Raul Kripalani
             Fix For: 2.9.6, 2.10.4, 2.11.0


{{DefaultJmsMessageListenerContainer}} uses {{org.springframework.core.task.SimpleAsyncTaskExecutor}} as the default task executor. 

This causes a lot of thread thrash when setting a positive idleTaskExecutionLimit. New threads are created every time the consumers are refreshed, i.e. closed down and started again to keep the minimum number of them around (= concurrentConsumers).

Replace with {{org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor}} instead, with the following config:

* corePoolSize = concurrentConsumers
* maxPoolSize = maxConcurrentConsumers

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