[infinispan-dev] HotRod client - optimize serialization
Manik Surtani
manik at jboss.org
Mon Jul 5 07:01:27 EDT 2010
On 5 Jul 2010, at 11:58, Mircea Markus wrote:
>
> On 5 Jul 2010, at 13:50, Manik Surtani wrote:
>
>>
>> On 5 Jul 2010, at 11:33, Mircea Markus wrote:
>>
>>>
>>> On 5 Jul 2010, at 13:21, Manik Surtani wrote:
>>>
>>>> What sort of socket do you use? Depending on this, socket.getOutputStream() may be the most efficient (if it is a zero-copy NIO buffer for example).
>>> SocketChannel socketChannel = SocketChannel.open(serverAddress);
>>> *socket* = socketChannel.socket();
>>
>> Hmm. You could use ByteBuffers - and reuse them as well, if you know that the byte array sizes are *roughly* similar.
> no guarantee on that as I don't have control over the values.
>> You will still have the same problem of a spike in value size that you described below, in the case of pooling ExposedBAOS instances. You could maintain a threshold and if such a stream were to exceed this size, instead of resetting and reusing this instance you drop it from the pool and create a new one...
>>
>> This threshold would have to be configurable though otherwise you may end up with a lot of unnecessary GC churn.
> The more I think about it the more I like the idea of serializing the values directly to the socket, and not reuse buffers for keys: these are small objects, and not sure that the complexity (mainly thinking about concurrency control) would payoff.
Yeah I'm all for keeping it simple.
--
Manik Surtani
manik at jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org
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