实时计算 Flink版任务的相关内容

返回频道实时计算 Flink版任务

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。

文章 2024-03-24 来自：开发者社区

Flink1.18.1和CDC2.4.1 本地没问题提交任务到服务器报错java.lang.NoClassDefFoundError: Could not initialize class io.debezium.connector.mysql.MySqlConnectorConfig

Flink1.18.1和CDC2.4.1 本地没问题提交任务到服务器报错java.lang.NoClassDefFoundError: Could not initialize class io.debezium.connector.mysql.MySqlConnectorConfig 这个错误是因为在服务器上缺少了Debezium的MySQL连接器依赖。你需要将Debezium的MySQL....

问答 2024-03-20 来自：开发者社区

flink的jar包任务，如果要配置日志级别修改为debug，这个是在哪里改呢？

问答 2024-03-20 来自：开发者社区

我flink stream任务只有输入-》窗口算子-》输出，也没法一次性获取并输出么？

我flink stream任务只有输入-》窗口算子-》输出，窗口时间用的是processtime，窗口函数是processWindowFunction，窗口大小是30s，刚启动我看窗口算子receive的记录就已经达到源端的数据上限了，所以按道理不到30s，源端所有数据都应该进入窗口了，那么数据应该一次性从窗口算子中输出，按道理应该不到一分钟就应该跑完了，但是我看窗口算子下游还在慢慢传出数据，持....

问答 2024-03-19 来自：开发者社区

Flink CDC 里用虚拟内存跑任务会不会很慢呀？

问答 2024-03-19 来自：开发者社区

flink cdc 怎么用定时执行批任务？

flink cdc 怎么用定时执行批任务？ ververica connector clickhouse 支持flink sql 吗？

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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。

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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