Hi, Is there any more detailed explanation on how Beam chooses the window size (bundle size) in streaming mode? It seems there is no clear answer in the [Beam Programming Guide]( https://beam.apache.org/documentation/programming-guide/) and I can't find how PubsubIO implements this windowing strategy as well. :(
Could someone kindly provide some pointers? Thanks! -- Derek Hao Hu Software Engineer | Snapchat Snap Inc.
