Hi, We encountered similar issues that the task manager kept being killed by yarn.
- flink 1.9.1 - heap usage is low. But our job is a **streaming** job, so I want to ask if this issue is only related to **batch** job or not? Thanks! Best, Victor yingjie <yjclove...@gmail.com> 于2019年11月28日周四 上午11:43写道: > Piotr is right, that depend on the data size you are reading and the memory > pressure. Those memory occupied by mmapped region can be recycled and used > by other processes if memory pressure is high, that is, other process or > service on the same node won't be affected because the OS will recycle the > mmapped pages if needed. But currently, you can't assume a bound of the > memory can be used, because it will use more memory as long as there is > free > space and you have more new data to read. > > > > -- > Sent from: > http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/ > -- Best, Victor