实时计算 Flink版任务的相关内容

问答 2024-04-02 来自：开发者社区

Flink CDC里遇到过设置了任务的并发数量后，任务执行几分钟就会停止为什么？

Flink CDC里遇到过设置了任务的并发数量后，任务执行几分钟就会停止，返回Database connection failed when starting copy，数据库日志提示插槽重复，重复的是下划线_1、_2、_3、...的插槽名字，单线程就不会出现这个问题怎么办？指定slot，每次出现这个报错，我都更换插槽名称，用雪花算法生成的，应该不存在和现有其他任务重复。

问答 2024-04-02 来自：开发者社区

Flink的任务取消之后，检查点目录直接被删除了，该如何避免呢？

问答 2024-04-02 来自：开发者社区

问下我的flink任务全是loading是哪儿没有配置或者包的问题吗？

问答 2024-03-27 来自：开发者社区

flink任务重启从最新状态恢复有2个task 一直在初始化状态很久才能启动是什么原因？

问答 2024-03-25 来自：开发者社区

Flink CDC里昨天我从polardb-mysql 做CDC同步任务，这是什么问题？

Flink CDC里昨天我从polardb-mysql 做CDC同步任务，用的是只读从库地址运行了3个小时 binlog 好像被清除了怎么回事？主库的任务一直都在运行，从库的跑了3个小时就找不到binlog,是需要哪里设置一下吗？

问答 2024-03-25 来自：开发者社区

.Flink cdc任务在同步过程中新增同步表后选择全量初始化历史数据，初始化什么时候开始？

Flink cdc任务在同步过程中新增同步表后选择全量初始化历史数据，会阻塞原先其余表的增量同步么？

问答 2024-03-25 来自：开发者社区

Flink cdc任务运行中，日志出现这种情况，然后任务的checkpoint一直是成功状态，为啥？

锁表会导致 flink任务的GC吗？

问答 2024-03-25 来自：开发者社区

Flink CDC里任务都停了，内存资源不释放是什么情况？

问答 2024-03-25 来自：开发者社区

flink cdc到doris，如果mysql中的表被删除或者rename，同步任务会报错么？

问答 2024-03-25 来自：开发者社区

Flink CDC里任务启动后一直处于starting是咋回事儿？

Flink CDC里任务启动后一直处于starting是咋回事儿？内存占用也还有。启动了大概400个任务，内存三台机器还剩300g。

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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

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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