Hi Somak,

this seems like an Actor isn't keeping pace with its incoming messages. You 
can try to follow references from the mail box to the actor instance to 
find out which actor it is. As you are talking about log message my guess 
would be that your logging actor is too slow writing logs to disk. You may 
also look at some stack traces at runtime which may turn up what this actor 
is doing.

HTH,
Johannes

On Friday, July 24, 2015 at 1:52:02 PM UTC+2, slowhandblues wrote:
>
> We have an application in Akka and having a problem with increasing heap 
> memory that is growing with time and eventually crashing the application. 
> On analyzing the heap dump we can see all our log entries are getting 
> persisted in the memory. Below is object tree for the same
>
> Akka dispatcher --> Unbounded mail box --> concurrent linked queue --> 
> envelop object consisting of all the log information
>
> Our actors are untyped actor and we are using akka default event logger 
> for logging
>
> Any idea what could be the problem with this?
>
>
> Thanks,
>
> Somak
>

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