??????????????flink on yarn??1??TaskManager??4??slot??TaskManager????4G??JobManager????1G??????BucketingSink????hdfs??3??checkpoint??????????????????100????3????????300????????????????????427????????427????*300=128100????=125KB????????????????80??????80????*300=24000????=23KB??????Flink ?? TaskManager?? jvm ??????????????????????????????????1G?? JVM (Heap/Non-Heap) Type Committed Used Maximum Heap 2.68 GB 863 MB 2.68 GB Non-Heap 84.3 MB 82.8 MB -1 B Total 2.76 GB 946 MB 2.68 GB
????????3s chepoint ????????????????hdfs????????????????3s??????????????????????????????????????????????
