WebJun 26, 2024 · Viewed 2k times. 1. I am implementing a RichParallelSourceFunction which reads files over SFTP. RichParallelSourceFunction inherits cancel () from SourceFunction and close () from RichFunction (). As far as I understand it, both cancel … Web1. run: Start a source, that is, connect an external data source and emit elements to form a stream (in most cases, the stream is generated by running a while loop in this method). 2. Cancel: Cancel a source, that is, terminate the behavior of the loop emit element in the run.
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WebThe following examples show how to use org.apache.flink.runtime.state.OperatorStateBackend. 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 out the related API usage on the sidebar. WebDownload flink-sql-connector-oracle-cdc-2.1.1.jar and put it under /lib/. Setup Oracle ¶ You have to enable log archiving for Oracle database and define an Oracle user with appropriate permissions on all databases that the Debezium Oracle connector monitors. Enable log archiving (1.1). Connect to the database as DBA chip burning stove
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Webvoid cancel() – Asynchronously called once as the Receiver is stopped; The custom SourceFunction also implements ResultTypeQueryable; this helps other generic … Webmethod in org.apache.flink.streaming.api.datastream.DataStreamSource Best Java code snippets using org.apache.flink.streaming.api.datastream. DataStreamSource.addSink … Web1 遇到问题 flink实时程序在线上环境上运行遇到一个很诡异的问题,flink使用eventtime读取kafka数据发现无法触发计算。经过代码打印查看后发现十个并行度执行含有十个分区的kafka,有几个分区的watermark不更新,如图所示。 打开kafka监控,可以看到数据有严重的 … chip burn in