实时计算 Flink版chk 的相关内容

问答 2023-01-16 来自：开发者社区

Flink为啥chk会影响写入hive的啊，不应该是事件时间和水印在影响吗?

Flink的chk是每秒产生的，因为我的需求是kafka实时写入hive，需要chk调整为1秒，不然达不到实时了，有时候我就在好奇为啥chk会影响写入hive的啊，不应该是事件时间和水印在影响吗

问答 2022-02-15 来自：开发者社区

flink-1.11 DDL 设置chk目录问题

目前我只会设置streameEnv.setStateBackend(new FsStateBackend(checkpointPath)); 但是DDL时候应该如何设置呢？ tableEnv.getConfig().getConfiguration().set( ExecutionCheckpointingOptions.CHECKPOINTING_MODE, CheckpointingM...

问答 2021-12-07 来自：开发者社区

http://apache-flink.147419.n8.nabble.com/file/t538/QQ%E6%88%AA%E5%9B%BE20201105165123.jpg http://apache-flink.147419.n8.nabble.com/file/t538/QQ%E6%88%AA%E5%9B%BE20201105165200.jpg chk的历史如图，第三个subtask....

问答 2021-12-03 来自：开发者社区

flink CheckPoint 状态下，每次chk的数据保存在哪里了？

我写了一个带状态的function 采用了如下cp配置： env.enableCheckpointing(5000L, CheckpointingMode.EXACTLY_ONCE); env.getCheckpointConfig().setMinPauseBetweenCheckpoints(100L); env.getCheckpointConfig().setCheckpointTime....

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更新时间 2024-05-20 11:19:29

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实时计算Flink版

阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优