It's better after I change to use persistAsync() instead of persist(). What 
risk we might have to use persistAysnc()? The document says low 
consistence. is it message loss or sending message more than once?

On Thursday, April 14, 2016 at 10:13:32 AM UTC-5, Yan Pei wrote:
>
> The structure is like this. In a loop, the message to send to several 
> persistent Actor with RoundRobinPool(1), then each persistent Actor send 
> message to an simple Actor which set up with RoundRobinPool(5). This simple 
> Actor basically just Confirm the message to persistent Actor.
>
> Not sure which part got stuck. When I send out message around 20000 with 6 
> persistent Actor, things works well. But once I increase the  message 
> number, the running is slow and the message size I got inside Cassendra is 
> not correct and I saw many message sent to deadletter in the log. It 
> doesn't work even I increase the number of persistent Actor.
>
> On Thursday, April 14, 2016 at 9:52:34 AM UTC-5, Konrad Malawski wrote:
>>
>> And what's not keeping up?
>> Sending to who? To one actor, to what? :)
>>
>> -- 
>> Konrad `ktoso` Malawski
>> Akka <http://akka.io> @ Lightbend <http://lightbend.com>
>>
>> On 14 April 2016 at 16:51:30, Yan Pei (yan...@gmail.com) wrote:
>>
>> Hello Konrad, 
>>
>>   I am doing POC,  each message is a very short String. I am using akka 
>> with version 2.11-2.4.2. The messages is being sent out in a loop but with 
>> sleep for 2s for every 100 messages.
>>
>> Thanks,
>> Yan
>>
>> On Thursday, April 14, 2016 at 9:40:01 AM UTC-5, Konrad Malawski wrote: 
>>>
>>> Hi there,
>>> we'll need more details on message size, versions, and timing of the 
>>> messages to be able to hint at anything :)
>>>
>>> -- 
>>> Konrad `ktoso` Malawski
>>> Akka <http://akka.io> @ Lightbend <http://lightbend.com>
>>>
>>> On 14 April 2016 at 16:38:57, Yan Pei (yan...@gmail.com) wrote:
>>>
>>> Good Morning All,
>>>
>>> I am having issue with AKKA persistence cassandra load testing. If I 
>>> send out more than 20000 message to the AKKA system, it will not handle 
>>> that well.  
>>>
>>> I have created different persistent actors to handle around 1500 msg for 
>>> each. But even I did that, looks like AKKA system couldn't handle large 
>>> messages with too many persistent actors being created inside. 
>>>
>>> I am not sure if the cassandra is the bottleneck or the AKKA system 
>>> shouldn't been used this way to send large messages? Is it ok to create 
>>> more than one AKKA systems? 
>>>
>>> Thanks very much for any feedback.
>>>
>>> Emily
>>>  
>>>
>>> --
>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>> >>>>>>>>>> Check the FAQ: 
>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>> >>>>>>>>>> Search the archives: 
>>> https://groups.google.com/group/akka-user
>>> ---
>>> You received this message because you are subscribed to the Google 
>>> Groups "Akka User List" group.
>>> To unsubscribe from this group and stop receiving emails from it, send 
>>> an email to akka-user+...@googlegroups.com.
>>> To post to this group, send email to akka...@googlegroups.com.
>>> Visit this group at https://groups.google.com/group/akka-user.
>>> For more options, visit https://groups.google.com/d/optout.
>>>
>>> --
>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>> >>>>>>>>>> Check the FAQ: 
>> http://doc.akka.io/docs/akka/current/additional/faq.html
>> >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user
>> ---
>> You received this message because you are subscribed to the Google Groups 
>> "Akka User List" group.
>> To unsubscribe from this group and stop receiving emails from it, send an 
>> email to akka-user+...@googlegroups.com.
>> To post to this group, send email to akka...@googlegroups.com.
>> Visit this group at https://groups.google.com/group/akka-user.
>> For more options, visit https://groups.google.com/d/optout.
>>
>>

-- 
>>>>>>>>>>      Read the docs: http://akka.io/docs/
>>>>>>>>>>      Check the FAQ: 
>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>>      Search the archives: https://groups.google.com/group/akka-user
--- 
You received this message because you are subscribed to the Google Groups "Akka 
User List" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to akka-user+unsubscr...@googlegroups.com.
To post to this group, send email to akka-user@googlegroups.com.
Visit this group at https://groups.google.com/group/akka-user.
For more options, visit https://groups.google.com/d/optout.

Reply via email to