Github user ykrips commented on the pull request:
https://github.com/apache/tajo/pull/311#issuecomment-67814352
@jinossy ,
Thanks for posting your test results.
I have ran test cases with JDK 1.6 and JDK 1.7, and I did not find rpc hang
issues on TestAsyncRpc. Can you provide the details on your test environment?
By the way, I have removed the HashedWheelTimer in TaskRunnerManager,
because netty 4 does not accept the Timer object when creating
ReadTimeoutHandler instance. Netty 4 uses internal scheduler when catching up
the timeout event.
Anyway, thank you again, and I will look through these timeout handlers. In
some cases, I found that netty 4 does not create the time-out event.
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