[infinispan-dev] Remoting package refactor

Tristan Tarrant ttarrant at redhat.com
Thu Nov 6 14:31:31 EST 2014


My opinion is that we should aim for less configuration, i.e. 
threadpools should mostly have sensible defaults and be shared by 
default unless there are extremely good reasons for not doing so.

Tristan

On 06/11/14 19:40, Radim Vansa wrote:
> I second the opinion that any threadpools should be shared by default.
> There are users who have hundreds or thousands of caches and having
> separate threadpool for each of them could easily drain resources. And
> sharing resources is the purpose of threadpools, right?
>
> Radim
>
> On 11/06/2014 04:37 PM, Bela Ban wrote:
>> #1 I would by default have 1 thread pool shared by all caches
>> #2 This global thread pool should be configurable, perhaps in the
>> <global> section ?
>> #3 Each cache by default uses the gobal thread pool
>> #4 A cache can define its own thread pool, then it would use this one
>> and not the global thread pool
>>
>> I think this gives you a mixture between ease of use and flexibility in
>> configuring pool per cache if needed
>>
>> On 06/11/14 16:23, Pedro Ruivo wrote:
>>> On 11/06/2014 03:01 PM, Bela Ban wrote:
>>>> On 06/11/14 15:36, Pedro Ruivo wrote:
>>>>> * added a single thread remote executor service. This will handle the
>>>>> FIFO deliver commands. Previously, they were handled by JGroups incoming
>>>>> threads and with a new executor service, each cache can process their
>>>>> own FIFO commands concurrently.
>>>> +1000. This allows multiple updates from the same sender but to
>>>> different caches to be executed in parallel, and will speed thing up.
>>>>
>>>> Do you intend to share a thread pool between the invocations handlers of
>>>> the various caches, or do they each have their own thread pool ? Or is
>>>> this configurable ?
>>>>
>>> That is question that cross my mind and I don't have any idea what would
>>> be the best. So, for now, I will leave the thread pool shared between
>>> the handlers.
>>>
>>> Never thought to make it configurable, but maybe that is the best
>>> option. And maybe, it should be possible to have different max-thread
>>> size per cache. For example:
>>>
>>> * all caches using this remote executor will share the same instance
>>> <remote-executor name="shared" shared="true" max-threads=4.../>
>>>
>>> * all caches using this remote executor will create their own thread
>>> pool with max-threads equals to 1
>>> <remote-executor name="low-throughput-cache" shared="false"
>>> max-threads=1 .../>
>>>
>>> * all caches using this remote executor will create their own thread
>>> pool with max-threads equals to 1000
>>> <remote executor name="high-throughput-cache" shared="false"
>>> max-thread=1000 .../>
>>>
>>> is this what you have in mind? comments?
>>>
>>> Cheers,
>>> Pedro
>>> _______________________________________________
>>> infinispan-dev mailing list
>>> infinispan-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>>
>



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