WebApr 13, 2024 · 设计目的不同: checkpoint是作为Flink作业容错机制存在的,用于作业潜在失败时的恢复,savepoint是作为需要作业重启时(比如:Flink版本升级、作业拓扑改变,并行度修改,作业A/B测试等场景)保存状态并恢复的一种机制。 生命周期不同: checkpoint的生命周期由flink来管理,flink负责checkpoint的创建、维护和释放,过程 … WebSep 18, 2024 · This is because savepoints are owned by the user, while checkpoints are owned by Flink. Incremental savepoints will need to follow a very similar path as the first checkpoint when using the no-claim mode described in the FLIP-193. Pre-existing files from previous checkpoints will need to be duplicated into the savepoint location.
MySQL CDC Connector — Flink CDC 2.0.0 documentation
WebYou can use Savepoints to stop-and-resume, fork, or update your Flink jobs. Savepoints consist of two parts: a directory with (typically large) binary files on stable storage (e.g. HDFS, S3, …) and a (relatively small) meta data file. The files on stable storage represent the net data of the job’s execution state image. WebMay 25, 2024 · 步骤 1 :根据checkpointID获取checkpoint path 步骤 2 :在s3 path写state数据,接着修改configmap的中checkpoint信息即flink-161511ce1fe78368bc659597e472fb7d-jobmanager-leader的checkpointID-0000000000000102688 步骤 3 :把checkpoint信息放到队列里面,然后根据需要保留 … some times when i feel lonely i stick my
FlinkSQL的Watermark机制和Checkpoint机制 - CSDN博客
WebAug 9, 2024 · A Savepoint is a consistent image of the execution state of a streaming job, created via Flink’s checkpointing mechanism. You can use Savepoints to stop-and … Web一、有状态计算 在flink的结构体系当中,有状态的计算可以说是flink非常重要的特性之一了。有状态的计算是指在程序计算过程中,在flink程序内部存储着计算产生的中间结果, … Webflink状态管理和容错 一、有状态计算. 在flink的结构体系当中,有状态的计算可以说是flink非常重要的特性之一了。有状态的计算是指在程序计算过程中,在flink程序内部存储着计算产生的中间结果,然后可以提供给后续计算算子使用。 small computer desk black and cherry wood