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From "Gordon Sim" <g...@redhat.com>
Subject Re: Review Request 17592: QPID-5531 [C++ broker] Set timeout for every DTX transaction
Date Wed, 05 Feb 2014 08:52:25 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/17592/#review33686
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Ship it!


I think 60 seconds may be a bot short for the default timeout, but its configurable and in
the absence of concrete data to base the choice on its fine as is.

Nice work, Pavel!

- Gordon Sim


On Feb. 5, 2014, 8:36 a.m., Pavel Moravec wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/17592/
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> 
> (Updated Feb. 5, 2014, 8:36 a.m.)
> 
> 
> Review request for qpid, Chug Rolke, Cliff Jansen, Kim van der Riet, and Steve Huston.
> 
> 
> Bugs: QPID-5531
>     https://issues.apache.org/jira/browse/QPID-5531
> 
> 
> Repository: qpid
> 
> 
> Description
> -------
> 
> If a rogue external Transaction Manager forgets to commit/rollback a prepared DTX, Tpl
store keeps an orphaned enqueue record. To prevent it, every DTX transaction should have a
default timeout after that the broker automatically aborts the transaction.
> 
> QPID-5531 adds broker option dtx-default-timeout for that.
> 
> My concerns for review:
> - is 3600 seconds as default value proper? Isn't it too high?
> - ms-sql and/or ms-clfs store part of the patch (recoverTransaction method) has not been
even compiled
> 
> 
> Diffs
> -----
> 
>   /trunk/qpid/cpp/src/qpid/broker/Broker.h 1563872 
>   /trunk/qpid/cpp/src/qpid/broker/Broker.cpp 1563872 
>   /trunk/qpid/cpp/src/qpid/broker/DtxManager.h 1563872 
>   /trunk/qpid/cpp/src/qpid/broker/DtxManager.cpp 1563872 
>   /trunk/qpid/cpp/src/qpid/broker/SessionAdapter.cpp 1563872 
>   /trunk/qpid/tests/src/py/qpid_tests/broker_0_10/dtx.py 1563872 
> 
> Diff: https://reviews.apache.org/r/17592/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Pavel Moravec
> 
>


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