实时计算 Flink版检查的相关内容

问答 2025-02-27 来自：开发者社区

flink cdc 3.0支持手动savepoint，然后从停止job，然后从检查点启动job吗

问答 2025-02-13 来自：开发者社区

Flink默认先全量再增量同步，全量时会对checkpoint上锁，导致请求检查点时失败，任务重启

如题，我是新手小白一个。同步的这个表很大，大概需要4小时时间才能导出所有数据。我在启动一个flink任务时，使用的是1.20版本,对应的flink-sql-connector-oracle-cdc-3.3.0.jar。同步命令如下，默认会先全量同步，对checkpoint上锁，导出这个表的全部数据后创建快照，释放checkpoint锁，接着自动进入增量同步模式：bin/flink run \ .....

问答 2024-11-20 来自：开发者社区

flink下的非对称检查点

flink的非对称检查点开启后，会直接就生效吗，就全部使用的就是非对称检查点

问答 2024-09-20 来自：开发者社区

Flink1.19.1 S3（minio）保存检查点报错

2024-09-19 17:54:02,076 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator [] - Triggering checkpoint 1 (type=CheckpointType{name='Checkpoint', sharingFilesStrategy=FORWARD_BACKWARD})...

文章 2024-08-29 来自：开发者社区

实时计算 Flink版产品使用问题之如何实现ZooKeeper抖动导致任务失败时，能从最近的检查点重新启动任务

问题一：Flink scala 和 java混编，Java21的字符串模板不识别有什么办法解决吗？ Flink scala 和 java混编，Java21的字符串模板不识别有什么办法解决吗？参考答案：在Flink中，Scala和Java代码混编时，可能会遇到Java 21的字符串模板不识别的问题。为了解决这个问题，您可以尝试以下几种方法： ...

文章 2024-08-19 来自：开发者社区

实时计算 Flink版产品使用问题之作业的检查点失败一般是什么导致的

问题一：Flink的作业为啥kafka的消息没有sink到ADB？ Flink的作业为啥kafka的消息没有sink到ADB？参考答案： countWindowAll设置有问题 ...

问答 2024-08-18 来自：开发者社区

Flink CDC 读取mysq出现问题从检查点重启这个flinkcdc任务也不行，如何解决问题？

Flink CDC 读取mysql，出现这个题后，从检查点重启这个flinkcdc任务也不行，请问下可以如何解决这个问题？

问答 2024-08-14 来自：开发者社区

Flink一个作业同步多张表到kafka 深度检查直接报错了，怎么回事？

Flink一个作业同步多张表到kafka 深度检查直接报错了，怎么回事？只同步一张表就没有问题 org.apache.flink.table.api.ValidationException: SQL validation failed. From line 195, column 6 to line 195, column 19: Unknown target column 'value__...

问答 2024-08-06 来自：开发者社区

Flink手动取消的job，记录会保存多久就查不到检查点信息了？

问答 2024-07-31 来自：开发者社区

使用Flink cdc 任务的检查点设置为增量的，看checkpoint确实是一增量的方式在保存吗？

使用Flink cdc 然后任务的检查点设置为增量的，但是好像没有效果。同样的配置，对kafka任务确是有用的，能看到checkpoint确实是一增量的方式在保存吗？

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更新时间 2025-02-28 12:51:04

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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