回复:An addition to Netty's memory footprint

2017-06-30 Thread Zhijiang(wangzhijiang999)
the direct memory usage by netty PooledByteBuffer can be largely reduced and under controlled easily. cheers,zhijiang --发件人:Kurt Young 发送时间:2017年6月30日(星期五) 15:51收件人:dev ; user 主 题:An addition to Netty's memory footprint Hi, Ufuk

An addition to Netty's memory footprint

2017-06-30 Thread Kurt Young
Hi, Ufuk had write up an excellent document about Netty's memory allocation [1] inside Flink, and i want to add one more note after running some large scale jobs. The only inaccurate thing about [1] is how much memory will LengthFieldBasedFrameDecoder use. From our observations, it will cost at m