Hi,
yes I have the versioning enabled. Like you said, I've posted in the
forum too [1].
btw, the ISPN config is here [2]
[1] -- https://community.jboss.org/thread/177846
[2] -- http://pastebin.com/UCxGXw3K
Cheers,
Pedro
On 24-01-2012 19:15, Mircea Markus wrote:
Hi Pedro and thanks for reporting this.
Do you have versioning enabled? Otherwise the writeSkewCheck won't be
performed at commit time.
If you do have versioning enabled, may I suggest to take this on the
user forums[1] - this way it would be easier for other users that have
the same problem to find it.
[1]
https://community.jboss.org/community/infinispan?view=discussions&start=0
<https://community.jboss.org/community/infinispan?view=discussions&start=0>
On 24 Jan 2012, at 18:42, Pedro Ruivo wrote:
Hi,
I think I have spotted a problem with the write skew check
implementation based on versioning.
I've made this test to confirm:
I have a global counter that is incremented concurrently by two
different nodes, running ISPN with Repeatable Read with write skew
enabled. I expected that each successfully transaction will commit a
different value.
In detail, each node do the following:
beginTx
Integer count = cache.get("counter");
count = count + 1;
cache.put("counter", count)
commitTx
To avoid errors, I've run this test on two ISPN versions: 5.1.0.CR4 and
5.0.1.Final. In 5.0.1.Final, it works as expected. However, on 5.1.0.CR4
I have a lot of repeated values. After a first check at the code, I've
the impression that the problem may be due to that the version numbers
of the keys for which the write skew check should be run is not sent
with the prepare command.
Cheers,
Pedro Ruivo
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