Agreed -- and that was the situation I used it in, and that Damien 
described.

On Wednesday, August 9, 2017 at 3:00:12 AM UTC-4, Akka Team wrote:
>
> If it is used in blocking Spring controllers it would not matter, but you 
> should not use it inside of an actor for example.
>
> With async, and possibly in general, it would probably be better to detect 
> to many concurrent requests and respond with some form of 
> service-overloaded status to the HTTP request. If done by just queueing up 
> requests (or blocking the incoming thread) and you have a consistent higher 
> inflow of requests than the limited rate those queued requests may fill up 
> your heap and crash the JVM or make the HTTP endpoint unavailable by taking 
> up all the threads.
>
> --
> Johan
> Akka Team
>
> On Tue, Aug 8, 2017 at 4:37 PM, Damien Gallagher <damien.g...@gmail.com 
> <javascript:>> wrote:
>
>> Would you recommend not using this then so Richard?
>>
>>
>> On Tuesday, August 8, 2017 at 3:34:37 PM UTC+1, richard wrote:
>>>
>>> A quick glance at the code indicates that the RateLimiter is blocking on 
>>> a timer, which is an Akka antipattern.
>>>
>>> The documentation also includes this line
>>>
>>>>  rateLimiter.acquire(); // may wait
>>>>
>>>>
>>>
>>> https://github.com/google/guava/blob/master/guava/src/com/google/common/util/concurrent/RateLimiter.java
>>>
>>>
>>> On Tuesday, August 8, 2017 at 8:34:21 AM UTC-5, Damien Gallagher wrote:
>>>>
>>>> Thanks Rob
>>>>
>>>> On Tuesday, August 8, 2017 at 2:17:09 PM UTC+1, Rob Crawford wrote:
>>>>>
>>>>> The code using it has been in production for three years, and hasn't 
>>>>> seen any issues with it.
>>>>>
>>>>> On Tuesday, August 8, 2017 at 7:05:59 AM UTC-4, Damien Gallagher wrote:
>>>>>>
>>>>>> Hi Rob
>>>>>>
>>>>>> Is there any concern with this library being marked as a Beta library?
>>>>>>
>>>>>> Thanks
>>>>>> Damien
>>>>>>
>>>>>> On Friday, July 21, 2017 at 9:25:04 PM UTC+1, Rob Crawford wrote:
>>>>>>>
>>>>>>> Take a look at Guava's RateLimiter class. I've used it for 
>>>>>>> controlling the rate at which a web service was called, and it worked 
>>>>>>> perfectly.
>>>>>>>
>>>>>>> On Monday, July 17, 2017 at 7:15:26 AM UTC-4, Damien Gallagher wrote:
>>>>>>>>
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> I have a java 8 Spring based project that I want to use akka in.
>>>>>>>>
>>>>>>>> I have my RestControllers calling out to service classes.
>>>>>>>> Some of these service classes call out to third party web services 
>>>>>>>> that have throttling requirements.
>>>>>>>>
>>>>>>>> Basically I want to throttle calls to the service classes from my 
>>>>>>>> Rest Controllers using Akka streams.
>>>>>>>>
>>>>>>>> 1. Is this use case possible?
>>>>>>>> 2. If not - would you recommend a different way of doing this 
>>>>>>>> (unfortunately I wouldnt get the time to change all my rest services 
>>>>>>>> to use 
>>>>>>>> the Akka http module)
>>>>>>>> 3. If possible - can someone provide a quick code sample on how to 
>>>>>>>> implement this?
>>>>>>>>
>>>>>>>> Thank you
>>>>>>>> Damien
>>>>>>>>
>>>>>>>>
>>>>>>>> -- 
>> >>>>>>>>>> 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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