Re: About Memory usage

2016-06-13 Thread Maximilian Michels
Hi Davood, The streaming part of Flink currently does not support managed memory; all memory is allocated directly on the heap (apart from the network buffers). There are plans to change that in the future. The batch side uses manages memory, e.g. see ReduceCombineDriver. Cheers, Max On Sat, J

About Memory usage

2016-06-11 Thread Davood Rafiei
Hi community, I am using WordCount example in DataStream API. I want to know the memory usage of each task and operator and possible modify them. As far as I know, the memory(off-heap or heap) is retrieved through MemoryManager. There is, releaseAll(Object owner) method in MemoryManager, that