Dear Aljoscha:
I'm the colleague of 时某人，and participate in the design of Checkpoint mechanism
of a certain Streaming Processing System, which refers to Flink's Checkpoint
mechanism. In my opinion, the most difficulty in stream's checkpoint is big
window's backup. In many applications, the win
Is there some State backend and checkpoint design architecture document?
ChengXiang Li have some sharing about checkout on Hangzhou Flink Meetup.
https://github.com/pusuo/streaming-resource/blob/master/flink-meetup-hz-20161105/Flink%E5%88%86%E5%B8%83%E5%BC%8F%E5%BF%AB%E7%85%A7%E6%B7%B1%E5%85%A5
