Re: Review Request 43053: allow warning instead of fail in case of invalid num of partitions in the checkpoint partition

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/43053/#review117242 --- Fix it, then Ship it! LGTM. One minor comment below.

Review Request 43074: SAMZA-866 Refactor and fix Container allocation logic.

--- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/43074/ --- Review request for samza. Repository: samza Description --- Bug:

Re: samza gc tuning, what about serial + serial old?

Hi Yi Thanks for the replay. The other thing I just recall is "how long STOP THE WORLD time can a program tolerates...". One of our team run into a situation that they have to use CMS in a throughput pipeline. They maintain a heavy workload storm cluster. Parallel full GC takes too much time,

Re: samza gc tuning, what about serial + serial old?

Hi Bo, I think application usually would not want to use Serial GC which is designed only for uniprocessor. If you have 8G~10G memory, the STW time with serial GC could be quite large. Even Samza is designed for one core as you mentioned, if the message rate of upstream data is huge, you would