WebYou can attach a source to your program by using StreamExecutionEnvironment.addSource (sourceFunction) . Flink comes with a number … WebThe StreamExecutionEnvironment is the context in which a streaming program is executed. A LocalStreamEnvironment will cause execution in the current JVM, a RemoteStreamEnvironment will cause execution on a remote setup.. The environment provides methods to control the job execution (such as setting the parallelism or the fault …
org.apache.flink…
How can I do so? Seems like the only API I can use are: env.fromSource () env.addSource () But this will create a different DataStream [T], which I already have a streaming running on. How can I change the topics list while my job is still running? Or It's not possible, and I can't escape a restart. apache-kafka apache-flink flink-streaming Share WebThe following examples show how to use org.apache.flink.streaming.api.environment.StreamExecutionEnvironment #addSource () . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check … how to solve outlook login issue
StreamExecutionEnvironment (Flink : 1.17-SNAPSHOT API)
WebWe need several steps to setup a Flink cluster with the provided connector. Setup a Flink cluster with version 1.12+ and Java 8+ installed. Download the connector SQL jars from the Downloads page (or build yourself ). Put the downloaded jars under FLINK_HOME/lib/. Restart the Flink cluster. WebSep 8, 2024 · 实现ParallelSourceFunction接口 该接口只是个标记接口,用于标识继承该接口的Source都是并行执行的。 其直接实现类是RichParallelSourceFunction,它是一个抽象类并继承自 AbstractRichFunction(从名称可以看出,它应该兼具 rich 和 parallel 两个特性,这里的 rich 体现在它定义了 open 和 close 这两个方法)。 MyParallelFunction.scala WebNov 14, 2024 · Every Flink application starts with creating an execution environment where we create StreamExecutionEnvironment. val env = StreamExecutionEnvironment.getExecutionEnvironment Adding Kafka Source... novel for english improvement