[infinispan-dev] Adaptive marshaller buffer sizes - ISPN-1102

[Sanne Grinovero]

2011/6/14 Galder Zamarreño <galder at redhat.com>:
>
> On Jun 14, 2011, at 1:24 PM, Manik Surtani wrote:
>
>>
>> On 14 Jun 2011, at 12:15, Bela Ban wrote:
>>
>>> +1.
>>>
>>>
>>> There is also something else I wanted to bring to your attention. When
>>> you pass reference byte[] BUF to JGroups, JGroups will store BUF in the
>>> org.jgroups.Message MSG.
>>>
>>> MSG is subsequently stored in the retransmission table of NAKACK.
>>>
>>> If you now modify the contents of BUF, you will modify a subsequent
>>> potential retransmission of MSG as well !
>>>
>>> I don't think this is done currently (Infinispan uses a new buffer every
>>> time), but just make sure buffer reuse doesn't get rolled into a new
>>> design...
>>
>> Good point.
>
> Uuups, that'd be rather nasty. So, once we pass it to you we can forget about it altogether.

Right, so unless JGroups can notify us when it's not needing the
buffer anymore we can forget any kind of pooling for reuse.

Sanne

>
>>
>> --
>> Manik Surtani
>> manik at jboss.org
>> twitter.com/maniksurtani
>>
>> Lead, Infinispan
>> http://www.infinispan.org
>>
>>
>>
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>
> --
> Galder Zamarreño
> Sr. Software Engineer
> Infinispan, JBoss Cache
>
>
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