[infinispan-dev] DIST.retrieveFromRemoteSource

[Manik Surtani]

Is that a micro-optimisation?  Do we know that socket.send() really is a hotspot?

On 1 Feb 2012, at 00:11, Dan Berindei wrote:

> It's true, but then JGroups' GroupRequest does exactly the same thing...
> 
> socket.send() takes some time too, I thought sending the request in
> parallel would mean calling socket.send() on a separate thread for
> each recipient.
> 
> Cheers
> Dan
> 
> 
> On Fri, Jan 27, 2012 at 6:41 PM, Manik Surtani <manik at jboss.org> wrote:
>> Doesn't setBlockForResults(false) mean that we're not waiting on a response, and can proceed to the next message to the next recipient?
>> 
>> On 27 Jan 2012, at 16:34, Dan Berindei wrote:
>> 
>>> Manik, Bela, I think we send the requests sequentially as well. In
>>> ReplicationTask.call:
>>> 
>>>               for (Address a : targets) {
>>>                  NotifyingFuture<Object> f =
>>> sendMessageWithFuture(constructMessage(buf, a), opts);
>>>                  futureCollator.watchFuture(f, a);
>>>               }
>>> 
>>> 
>>> In MessageDispatcher.sendMessageWithFuture:
>>> 
>>>        UnicastRequest<T> req=new UnicastRequest<T>(msg, corr, dest, options);
>>>        req.setBlockForResults(false);
>>>        req.execute();
>>> 
>>> 
>>> Did we use to send each request on a separate thread?
>>> 
>>> 
>>> Cheers
>>> Dan
>>> 
>>> 
>>> On Fri, Jan 27, 2012 at 1:21 PM, Bela Ban <bban at redhat.com> wrote:
>>>> yes.
>>>> 
>>>> On 1/27/12 12:13 PM, Manik Surtani wrote:
>>>>> 
>>>>> On 25 Jan 2012, at 09:42, Bela Ban wrote:
>>>>> 
>>>>>> No, parallel unicasts will be faster, as an anycast to A,B,C sends the
>>>>>> unicasts sequentially
>>>>> 
>>>>> Is this still the case in JG 3.x?
>>>> 
>>>> 
>>>> --
>>>> Bela Ban
>>>> Lead JGroups (http://www.jgroups.org)
>>>> JBoss / Red Hat
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>> 
>> --
>> Manik Surtani
>> manik at jboss.org
>> twitter.com/maniksurtani
>> 
>> Lead, Infinispan
>> http://www.infinispan.org
>> 
>> 
>> 
>> 
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> 
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--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani

Lead, Infinispan
http://www.infinispan.org