Thank you! I've subscribed there to follow further discussions. On Thursday, July 13, 2017 at 4:02:24 PM UTC+3, [email protected] wrote: > > On Thursday, July 13, 2017 at 1:08:19 PM UTC+2, Alexander Lukyanchikov > wrote: >> >> *The only question, is it capable to manage tens of millions of topics? >> Would it perform better then our current solution?* >> > > No, most likely it currently won't scale up to 1 million active topics. In > Akka's pubsub, each node keeps a topic actor that manages subscriptions of > local actors to this topic. Then the information about which node is > interested in which topics is replicated across the whole cluster. > > We plan to test the actual memory consumption under realistic conditions > but he haven't got to that so far. > > I created a ticket to estimate the memory usage and to collect ideas about > how to optimize for bigger workloads: > > https://github.com/akka/akka/issues/23357 > > Johannes >
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