Github user franz1981 commented on the issue:
https://github.com/apache/qpid-jms/pull/26
I have TBH that I'm not getting such a big boost as I was expecting, but
probably because there are other bottlenecks (the consumer side on the broker)
that are not' helping to measure it
Github user tabish121 commented on the issue:
https://github.com/apache/qpid-jms/pull/26
Yes, that test is exposing some issues in the 5.x broker which is unrelated
to this change.
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Github user franz1981 commented on the issue:
https://github.com/apache/qpid-jms/pull/26
The failing test
`JmsConnectionCloseVariationsTest.testCloseBeforeBrokerStoppedRepeated` seems
that is not allocating any `FifoMessageQueue`: i suppose its failure is
indipendent by this PR.
Github user franz1981 commented on the issue:
https://github.com/apache/qpid-jms/pull/26
Just as a reference: I'm getting about 80 M msg/sec with the new
`FifoMessageQueue` while near 2.5 M msg/sec with the original one.
On a end-to-end test I'm getting a 20% more throughput with
Github user jdanekrh commented on the issue:
https://github.com/apache/qpid-jms/pull/26
Won't work with JDK < 8 is fine with qpid-jms, I think
https://github.com/apache/qpid-jms/blob/master/pom.xml#L37-L39
I'll check tomorrow if IBM JDK supports this. I am fairly sure
Github user franz1981 commented on the issue:
https://github.com/apache/qpid-jms/pull/26
It won't work with JDK < 8 and is specific of oracle AFAIK (I could be
wrong of course!)
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Github user jdanekrh commented on the issue:
https://github.com/apache/qpid-jms/pull/26
Wouldn't `@Contended` annotation work just as well?
http://mail.openjdk.java.net/pipermail/hotspot-dev/2012-November/007309.html (I
just googled it...)
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Github user franz1981 commented on the issue:
https://github.com/apache/qpid-jms/pull/26
The reason behind the abstract classes for padding between fields to avoid
false sharing (that could lead to a 1/10 of performance):
```
OFFSET SIZE
