实时计算 Flink版cdc后端的相关内容

[帮助文档] 社区CDC

本文为您介绍如何在阿里云实时计算Flink版中使用社区版CDC（Change Data Capture）连接器，以及更改连接器名称。

Flink CDC里阿里云的oss作为flink的状态后端配置，有大佬知道怎么用吗？

Flink CDC里阿里云的oss作为flink的状态后端配置，有大佬知道怎么用吗？state.backend: rocksdbstate.checkpoints.dir: oss://your-bucket/flink/checkpointsfs.oss.accessKeyId: your-acc...

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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？

Flink CDC里任务重启由rocksdb状态后端改为hashmap行不行呢？

Flink CDC 3.0怎么做状态后端？

Flink CDC 3.0怎么做状态后端？这个在flinkcdc里怎么配置，在配置文件里配置生动任务时没有生效，然后flinkcdc启动是也是-s 指定保存点恢复任务吗？

Flink CDC首次全量同步几百万数据，状态后端增量方式的rocksdb，正常的吗？

Flink CDC首次全量同步几百万数据，状态后端增量方式的rocksdb，目前Checkpointed Data Size 基本接近Full Checkpoint Data Size大小，正常的吗？ck耗时也很长，请问可以从哪些方面优化优化？

Flink CDC这里设置状态后端是rockdb就可以了嘛我好像觉得我这少了点啥？

Flink CDC这里设置状态后端是rockdb就可以了嘛我好像觉得我这少了点啥我刚尝试了下添加这个状态保留时长参数给我报了个错？少东西了没？

Flink CDC管理内存webui上一直是百分百这个是啥原因导致的？状态后端用的是rocksdb？

Flink CDC中使用rocksdb 状态后端一直提示要调整task 内存大小，这个一般调整到？

Flink CDC中使用rocksdb 状态后端一直提示要调整task 内存大小，这个一般调整到多大啊大佬？

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更新时间 2024-05-02 15:45:33

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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