It's a configuration option. In the manuals :-)
Mark.
On 22 Feb 2011, at 16:39, Mircea Markus wrote:
Good point. how can I disable the optimisation within TM?
On 22 Feb 2011, at 16:37, Jonathan Halliday wrote:
> That's actually going to change your test semantics slightly. You may want to run
in both optimized and non-optimized modes to ensure full coverage - some code paths may
not get exercised in one or the other case.
>
> On 02/22/2011 03:03 PM, Mircea Markus wrote:
>> Hi,
>>
>> I've just run core's test suite with JBossTM and DummyTM.
>> The duration on my local machine are:
>> With dummy TM: 5:46.800s
>> With JBossTM: 5:23.671s
>>
>> A explanation for JBossTM over performing DummyTM in spite keeping a tx log on
the disk (which dummyTm doesn't) is the fact that it has 2PC optimisations for
situations where only one resource is registered. In other words if there is only one
cache participating in the transaction (most of our tests are like that) there won't
be 2RPC but only one.
>> Shall we use JBossTM as default TM for running local tests ?
>>
>> Cheers,
>> Mircea
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>
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