Do you use persistAsync, not persist?
Before the release I explicitly verified that the max throughput of 
persistAsync is comparable to old Processor.

/Patrik

> 17 jul 2014 kl. 02:34 skrev Mike Aizatsky <[email protected]>:
> 
> I created a small app to compare 2.3.3 and 2.3.4 performance, and 2.3.4 seems 
> to be 10 time slower.
> 
> Here's all the code: https://github.com/mikea/tmp-akkap
> 
> If I run 2.3.3 sample with empty journal/ I'm getting the following output on 
> my MBP:
> 
> Sending messages...
> Done sending messages
> Received 100000 messages in 1627 ms
> 
> 
> The same code but ported to 2.3.4 gives me:
> 
> Sending messages...
> Done sending messages
> Received 100000 messages in 24849 ms
> 
> 
> What am I doing wrong?
> 
> 
> 
> 
>> On Wednesday, July 16, 2014 12:43:03 PM UTC-7, Mike Aizatsky wrote:
>> In 2.3.3 I used AbstractProcessor. In 2.3.4 I've migrated to 
>> AbstractPersistentActor.
>> 
>> 
>> 
>>> On Wednesday, July 16, 2014 12:06:03 PM UTC-7, Konrad Malawski wrote:
>>> Hi Mike,
>>> Short: no, performance should be (and we have benchmarked it) to be on par 
>>> with 2.3.3.
>>> 
>>> Longer: Have you been using Processor or EventsourcedProcessor?
>>> * EventsourcedProcessor *is* PersistentActor, so performance is exactly the 
>>> same.
>>> * Processor is PersistentActor+persistAsync.
>>> 
>>> Fill me in on these details and we'll talk in depth :-)
>>> 
>>> Here is the JMH benchmark, you can run it yourself: 
>>> https://github.com/akka/akka/blob/release-2.3/akka-bench-jmh/src/main/scala/akka/persistence/PersistentActorBenchmark.scala
>>>  (see README in that project).
>>> Since 2.3.4 we have the akka-bench-jmh project that will contain various 
>>> benchmarks we use to bench our implementations - feel free to peek inside 
>>> these if you're curious.
>>> 
>>> 
>>> 
>>>> On Wed, Jul 16, 2014 at 8:41 PM, Mike Aizatsky <[email protected]> wrote:
>>>> Hi!
>>>> 
>>>> I don't have any hard evidence (I would create a bug otherwise), but I 
>>>> feel that new persistence implementation is slower than the previous one.
>>>> 
>>>> My persistent actor receives messages in big bursts. With 2.3.3 API the 
>>>> processing was really fast. After I have migrated everything to 2.3.4 and 
>>>> use persist() method, I see that my persistent actor has huge queue and it 
>>>> takes very long time to process it. I'm doing snapshots every 1s and it is 
>>>> not uncommon now to see my actor without a snapshot for minutes because it 
>>>> is busy processing mailbox and writing tons of messages to journal.
>>>> 
>>>> Was anything significant changed in persistence implementation besides the 
>>>> API? Did anyone see anything similar? I'm not sure I want to go into this 
>>>> rabbit hole without knowing that somebody else have this problem.
>>>> 
>>>> 
>>>> -- 
>>>> >>>>>>>>>> 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
>>>> --- 
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>>> 
>>> 
>>> 
>>> -- 
>>> Cheers,
>>> Konrad 'ktoso' Malawski
>>> hAkker @ Typesafe
>>> 
>>> 
> 
> -- 
> >>>>>>>>>> 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
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-- 
>>>>>>>>>>      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
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