Re: ** Help need w.r.t parallelism settings in flink **

2019-09-26 Thread Zhu Zhu
Hi Akshay, For your questions, 1. One main purpose of maxParallelism is to decide the count of keyGroup. keyGroup is the bucket for keys when doing keyBy partitioning. So a larger maxParallelism indicates a finer granularity for key distribution. No matter it's a stateful operator or not. 2. You

** Help need w.r.t parallelism settings in flink **

2019-09-26 Thread Akshay Iyangar
Hi So we are running a beam pipeline that uses flink as its execution engine. We are currently on flink1.8 So per the flink documentation I see that there is an option that allows u to set Parallelism and maxParallelism. We actually want to set both so that we can dynamically scale the pipeline