[infinispan-dev] Infinispan 5.3 and the new JGroups bundler

[Pedro Ruivo]

Hi Alan,

On 06/05/2013 02:43 PM, Alan Field wrote:
> Hey Pedro,
>
> I have a couple of questions for you about this.
>
> 1) What is the default bundler used in JGroups 2.7.x?

Bela is the right person to answer this, but I think the new bundler was 
created only in JGroups 3.3.x.

>
> 2) Are there any issues with running versions of Infinispan < 5.3 with the new bundler?

No problem at all. In Infinispan < 5.3 the priority/synchronous messages 
(puts, prepares, commits, remote gets, etc...) bypass the bundling 
mechanism and they are sent to the network immediately.

Cheers,
Pedro

>
> Thanks,
> Alan
>
> ----- Original Message -----
>> From: "Pedro Ruivo" <pedro at infinispan.org>
>> To: "ispn-dev" <infinispan-dev at lists.jboss.org>
>> Sent: Tuesday, June 4, 2013 10:12:49 AM
>> Subject: [infinispan-dev] Infinispan 5.3 and the new JGroups bundler
>>
>> Hi all,
>>
>> In Infinispan 5.3 we are allowing message bundling due to "recent"
>> improvements made in JGroups' bundler.
>>
>> The new bundler is the default in JGroups 3.3 but if you are using the
>> old bundler (UDP.bundler_type="old"), please may consider to change it
>> to use the new bundler (UDP.bundler_type="new").
>>
>> If you don't want to change it, please consider that the old bundler can
>> lead a performance degradation in a low throughput system (when you have
>> 1 or 2 threads performance operations). Note that, in the old blunder,
>> the messages are blocked until (default values, of course you can
>> tunning this values to match to your application):
>>
>> * 30 milliseconds are expired;
>> or
>> * 64k bytes are ready to be sent.
>>
>> Recall that this warning is valid for Infinispan 5.3 (and superior in
>> the future).
>>
>> Thank You.
>>
>> Regards,
>> Pedro Ruivo
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