实时计算 Flink版cdc数据的相关内容

问答 2024-05-20 来自：开发者社区

Flink CDC里mysql到doris 同步用yaml配置文件很方便以后会增加更多数据吗？

Flink CDC里mysql到doris 同步用yaml配置文件很方便以后会增加更多数据源快速配置同步？今年之内能有pg到doris吗？

问答 2024-05-20 来自：开发者社区

Flink cdc=3.0 , Streaming API 为什么捕获不到新增数据？

Flink cdc=3.0 , Streaming API 通过incremental snapshot的方式采集数据，为什么配置startupOptions(StartupOptions.latest())就捕获不到新增数据呢？我上周测还是可以捕获的。

问答 2024-05-20 来自：开发者社区

Flink CDC里使用initial模式, 转增量之后，存量数据会丢吗？

Flink CDC里我使用cdc作为flink的流表。使用initial模式, 转增量之后，存量数据会在内存里丢掉吗。我window统计, 转增量后统计数据变少了

问答 2024-05-20 来自：开发者社区

Flink cdc里面 scan设置成true之后新创建的表插入数据会捕获不到吗？

Flink cdc里面scan.newly-added-table.enabled 设置成true之后新创建的表插入数据会捕获不到吗？

问答 2024-05-20 来自：开发者社区

Flink CDC里我们数据在阿里的RDS 上，现在逻辑是直接SQL 读取，数量多怎么办？

Flink CDC里我们数据在阿里的RDS 上，现在逻辑是直接SQL 读取，各种JOIN 之后在展示在BI上，如果后面数据量多的话，有没有好的建议。现在是想把RDS的数据同步到 DORIS 然后读DORIS 在做数据处理这个逻辑行不行？

问答 2024-05-20 来自：开发者社区

我自己测试flink cdc 读取MySQL表，通过sql client映射表后，去查询，没有数据？

我自己测试flink cdc 读取MySQL表，通过sql client映射表后，去查询，没有数据，任务直接finshed了是什么原因？但是我任务本地idea是可以跑的

问答 2024-05-20 来自：开发者社区

Flink CDC里flinksql 维表join ，主表同一条数据3s内连续变更是什么造成的？

Flink CDC里flinksql 维表join ，主表同一条数据3s内连续变更，维表字段会关联出很久以前的数据，这种是什么情况造成的呢？create table source_trade_order_test1 ( schema STRING , table STRING , action string, columns ARRAY>, ...

问答 2024-05-20 来自：开发者社区

Flink CDC里 elsaticseach 跨集群同步数据有使用增量/全量吗？

Flink CDC里 elsaticseach 跨集群同步数据有使用增量/全量，使用 flink-cdc 可行吗？

问答 2024-05-19 来自：开发者社区

Flink CDC里用的datastream，不知道为什么每次都会消费历史数据？

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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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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