[infinispan-issues] [JBoss JIRA] (ISPN-1918) Benchmark UNICAST vs UNICAST2 vs NAKACK2 with JGroups 3.0.x

[Dan Berindei (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-1918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12677907#comment-12677907 ] 

Dan Berindei commented on ISPN-1918:
------------------------------------

I have run the performance tests on the cluster0x machines and I got really bad results with all configuration (almost 10x smaller throughput than Bela got on the same machines). So we can't trust the relative performance differences either until we find out why the tests are so slow.
                
> Benchmark UNICAST vs UNICAST2 vs NAKACK2 with JGroups 3.0.x
> -----------------------------------------------------------
>
>                 Key: ISPN-1918
>                 URL: https://issues.jboss.org/browse/ISPN-1918
>             Project: Infinispan
>          Issue Type: Task
>          Components: RPC
>    Affects Versions: 5.1.2.FINAL
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>              Labels: jgroups_tuning
>             Fix For: 5.1.3.CR1, 5.1.3.FINAL
>
>
> Recent changes seem to have brought performance a bit down, so we need to check whether this is caused by reverting to UNICAST instead of UNICAST2 (ISPN-1892).
> Performance has decreased most in the 2-node scenario, where we were actually sending multicasts instead of unicasts. So we need to check whether there is a performance difference between UNICAST2 and NAKACK2 as well.
> If we find UNICAST2 to perform better, we can proceed with ISPN-1879 on the 5.1.x branch as well as on the master branch.

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