[jetty-dev] [jira] (JETTY-1527) QueuedThreadPool Anomaly

Jan Bartel
commented on JETTY-1527

QueuedThreadPool Anomaly

Hi David,

Thanks for providing the test case. Looking at it, the QueuedThreadPool no doubt has a few funnies in it - for example getting the jobs size and the number of idle threads aren't synchronized in any way. Probably moving those 2 lines down to after the call to insert a new job in the queue changes the timing a bit and your test happens to work. I can also get it to work if I insert a little pause after each call to pool.execute() in the test.

We're a bit reluctant to make changes to the QueuedThreadPool class at this point, as its a highly concurrent class and changes could introduce all sorts of subtle effects, and additionally, for jetty-9, we're probably ditching it in favour of a disruptor style mechanism.

thanks

Jan

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