转发请注明原创地址:https://www.cnblogs.com/dongxiao-yang/p/9403427.html flink任务的deploy形式有很多种选择,常见的有standalone,on yarn , Meos , Kubernetes等方式,目前公司内部统一采用flink on yarn的 single job模式(每个flink job 单独在yarn上声明一个flink集群),本文分析的是flink1.5.1版本源码使用legacy 模式提交yarn single jo
public class RecordWriter<T extends IOReadableWritable> { ==FullBuffer /** * This is used to send LatencyMarks to a random target channel. */public void randomEmit(T record) throws IOException, InterruptedException { sendToTarget(record, rng.nextInt