Hi. The input stream is kafka and samza is running on mesos using this framework https://github.com/Banno/samza-mesos Samza version - 0.12. Sorry didn't understand this question: "Is the container able to keep up with its inputs?" What do you mean keep up with its inputs?
>Пятница, 30 июня 2017, 2:42 +03:00 от Jacob Maes <jacob.m...@gmail.com>: > >Hey Evgeny, > >We haven't seen this with our jobs, but here are some thoughts and >questions for you to consider. > >Is the container able to keep up with its inputs? The further behind, the >more it will fill buffers. > >Samza has one buffer, which is controlled by configs >< >http://samza.apache.org/learn/documentation/0.13/jobs/configuration-table.html >> >systems.system-name.samza.fetch.threshold >or >systems.system-name.samza.fetch.threshold.bytes > >Newer kafka consumer clients have their own NIO buffers controlled by a >`fetch.max.bytes` config, though that wouldn't explain why you see so many >IncomingMessageEnvelopes. > >What version of Samza is the job using? > >Anything unique about the inputs or configuration? > >-Jake > >On Thu, Jun 29, 2017 at 4:23 PM, Evgeny < smy...@mail.ru.invalid > wrote: > >> >> Hello. Heap size of running samza container is about 7 Gb and there are a >> huge numbers of IncomingMessageEnvelope as unreachable objects in thread >> dump. What's the reason of this? It's just a samza task with empty process >> method. >> >> >> >> >>