[infinispan-dev] The windup of 6.0.0

[Sanne Grinovero]

Hi Erik,
thanks that's a very interesting research. Will you share your patch?

Best,
Sanne

On 11 October 2013 02:30, Erik Salter <an1310 at hotmail.com> wrote:
> Hi all,
>
> I'm interested in the performance regression, and since I saw a similar
> regression with JGroups 3.4.0 coupled with ISPN 5.2.x (until 6.0.x is
> ready), I decided to investigate:
>
> Here are some profiling snapshots that I shared with Pedro.  This is of my
> system running UDP on a 12 node DIST cluster
>
> https://dl.dropboxusercontent.com/u/50401510/pruvio/dg1_320_interpreted.jps
> https://dl.dropboxusercontent.com/u/50401510/pruvio/dg1_340_interpreted2.jps
>
> The big thing we noticed was that the building of a Message was now in the
> main UDP receive() thread instead of the thread pools.  To my poor brain
> (and since I haven't been involved in the latest ISPN/JGroups happenings),
> it appeared this would be the most likely culprit.  So I reworked the UDP
> receiver to be a bit more like 3.2.x with the Message construction done in
> the appropriate thread pool (main, OOB, internal), while quasi-punting on
> the new bundler implementation.  After 3 test runs, the average throughput
> (again, measured by my app) seems to have recaptured 50-80% of the
> performance degradation.   The variance is high enough, though, to give me
> pause that I'm on the right track.
>
> Take this FWIW.  Thanks.
>
> Erik
>
> -----Original Message-----
> From: infinispan-dev-bounces at lists.jboss.org
> [mailto:infinispan-dev-bounces at lists.jboss.org] On Behalf Of Mircea Markus
> Sent: Wednesday, October 09, 2013 3:35 PM
> To: infinispan -Dev List
> Subject: [infinispan-dev] The windup of 6.0.0
>
> Hi guys,
>
> - 6.0.0.CR2 was added for 16 Oct (Adrian) and 6.0.0.Final was moved to 23
> Oct (Dan)
> - we have some 20% performance regressions we need to look at before going
> final
> - I've updated JIRA:
>     - added tasks for creating documentation and quickstarts
>     - some JIRAs were moved here
>     - please follow the JIRA or let me know if there's anything missing:
> http://goo.gl/y4Ky7t
>
> Cheers,
> --
> Mircea Markus
> Infinispan lead (www.infinispan.org)
>
>
>
>
>
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