实时计算 Flink版rocksdb checkpoint 的相关内容

阿里云文档 2025-02-18

Checkpoint与Savepoint

系统检查点（Checkpoint）和作业快照（Savepoint）统称为状态集。本文为您介绍如何管理作业的状态集，包括创建、查看、删除和从指定状态恢复。

问答 2024-02-25 来自：开发者社区

Flink CDC里 rocksdb 全量checkpoint开启了ttl，为什么文件还会增大？

Flink CDC里 rocksdb 全量checkpoint开启了ttl，为什么checkpoint文件还持续增大？

问答 2024-02-25 来自：开发者社区

Flink CDC里在使用rocksdb作为状态后端，并且使用全量checkpoint，不会这样吗？

Flink CDC里在使用rocksdb作为状态后端，并且使用全量checkpoint，不会触发FULL_STATE_SCAN_SNAPSHOT清理策略？

阿里云文档 2022-12-28

如何在Flink集群中配置OSS来存储Checkpoint和Savepoint

本文通过示例为您介绍如何在E-MapReduce on ACK的Flink集群中配置OSS来存储Flink作业的Checkpoint和Savepoint。

问答 2021-12-07 来自：开发者社区

关于flink rocksdb 增量checkpoint的问题

嗨您好我们现在在使用flink1.7.2 在使用过程当中遇到个疑惑我们使用的rocksdb 增量做checkpoint job在yarn上运行如果使用yan-cluster这种方式运行 cp从触发到完成的时间会越来越长如果使用yarn-session这种方式触发到完成时间都是均匀的不能理解这两种方式是有什么区别麽望解答谢谢*来自志愿者整理的flink邮件归档

问答 2018-11-19 来自：开发者社区

flink state.backend是rocksdb，存储在hdfs上，经常遇到checkpoint执行不成功的情况 checkpoint超时过期的原因（设置checkpoint超时为60s）

flink程序在yarn上执行 kafka source topic分区为20 设置程序并行度为10，-yn 2 -ys 5 -ytm 26600 -yjm 5120，我看到网上有说是因为程序并行度太高导致打开的文件数太多，从而导致的在hdfs创建文件不成功，但是我的并行度设置的并不高啊，有知道原因的吗？请赐教具体报错如下：AsynchronousException{java.lang.Exc....

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更新时间 2024-02-26 09:19:21

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