[infinispan-dev] write-heavy performance degradation between 5.1 and 5.2

[Galder Zamarreño]

My gut feeling is: AS uses some cache configuration that's affecting performance and it's not currently in the test plan?

Cheers,

On May 2, 2013, at 12:41 PM, Radim Vansa <rvansa at redhat.com> wrote:

> Hi, I've checked it on 4 nodes, stress test 15 minutes with 80% writes. Both reads and writes have improved in 5.2
> 
> READS/sec 247k -> 263k
> WRITES/sec 4547 -> 4771 (note: this is average, coordinator has about 2x more writes as it is the lock owner for all locks in replicated mode)
> that makes
> 
> Paul, how many operations within transaction do you use? The results above are from single operation (put/get) per transaction (we have improvement in TRANSACTIONS/sec 5655 -> 5936 with this setting), I'll try to rerun with more ops/transaction as well.
> 
> Radim
> 
> ----- Original Message -----
> | From: "Paul Ferraro" <paul.ferraro at redhat.com>
> | To: "Mircea Markus" <mmarkus at redhat.com>
> | Cc: "infinispan" <infinispan-dev at lists.jboss.org>, "Paul Ferraro" <pferraro at redhat.com>
> | Sent: Wednesday, May 1, 2013 5:05:39 PM
> | Subject: Re: [infinispan-dev] write-heavy performance degradation between	5.1 and 5.2
> | 
> | FYI - here's a summary of EAP 6.0 vs 6.1 performance:
> | https://bugzilla.redhat.com/attachment.cgi?id=741896
> | 
> | and here's the relevant BZ:
> | https://bugzilla.redhat.com/show_bug.cgi?id=956988
> | 
> | On Wed, 2013-05-01 at 15:55 +0100, Mircea Markus wrote:
> | > Hi Martin,
> | > 
> | > Paul mentioned a severe degradation in performance between 5.1 and 5.2 for
> | > replicated + embedded + transactional + pessimistic caches, for
> | > write-heavy access. Do we have any tests we can run to check this?
> | > 
> | > Cheers,
> | 
> | 
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--
Galder Zamarreño
galder at redhat.com
twitter.com/galderz

Project Lead, Escalante
http://escalante.io

Engineer, Infinispan
http://infinispan.org