you mean one agent to deliver the notifications. true?

On Wednesday, June 18, 2014 12:01:42 AM UTC+2, Gary Trakhman wrote:
>
> Yea, send uses a fixed threadpool, and send-off uses a growing one, so 
> it's more suitable for IO-bound tasks.  I don't think there's any 
> difference in terms of how it looks from STM.
>
> 2 agents will have 2 independent queues, even though they might share 
> threadpools, if you want to guarantee order, you need one queue.
>
>
> On Tue, Jun 17, 2014 at 5:54 PM, Hussein B. <hubag...@gmail.com 
> <javascript:>> wrote:
>
>> I think send-off is used for IO operations, or?
>>
>> If an agent is started with messages [1 2 3] and then another agent 
>> started with messages [4 5] , is it guaranteed that messages [1 2 3] will 
>> be delivered before [4 5]?
>>
>> I'm talking about production and really concurrent system.
>>
>>
>> On Tuesday, June 17, 2014 11:45:52 PM UTC+2, Gary Trakhman wrote:
>>
>>> Agent send operations inside a transaction get queued up and don't 
>>> actually get sent until the transaction commits, that's probably what you 
>>> want, it's meant for side-effects.
>>>  
>>>
>>> On Tue, Jun 17, 2014 at 5:43 PM, Hussein B. <hubag...@gmail.com> wrote:
>>>
>>>>  Hi,
>>>>
>>>> I have a ServerSocket that stores the client ID and the client socket 
>>>> object into a ref type. And I also have a thread that is running in the 
>>>> background that checks if a specific condition is met, then it will start 
>>>> send notifications to the clients (it will use the client-id-ref and 
>>>> messages-ref).
>>>>
>>>> Of course, since both are refs; any operation needs to be run under a 
>>>> STM transaction.
>>>>
>>>> My question is, is it ok to do IO Socket operation inside a STM 
>>>> transaction? STM transaction might retry, this means that there are great 
>>>> chances that the clients will receive the notifications more than once.
>>>>
>>>> For Socket IO operations inside STM transaction, is better/recommended 
>>>> to do it using Agents? Since, AFAIK, agents inside a transaction will be 
>>>> executed only if the transaction is successful.
>>>>
>>>> Thanks.
>>>>
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>>>
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