实时计算 Flink版后台的相关内容

问答 2024-06-16 来自：开发者社区

在Flink CDC中oracle cdc的时候后台老是报错，这个有什么好的解决办法？

在Flink CDC中oracle cdc的时候后台老是报错：The connector is now using the maximum batch size 100000 when querying the LogMiner view. This could be indicative of large SCN gaps，这个有什么好的解决办法？

问答 2024-06-01 来自：开发者社区

Flink集群误删后台如何恢复项目空间和其中的资源

问答 2023-07-26 来自：开发者社区

flink cdc + smt 中新增表需要在后台修改配置文件不方便。有便于管理的界面化开源工具吗？

flink cdc + smt 中新增表需要在后台修改配置文件，不是很方便。有便于管理的界面化开源工具推荐吗？

问答 2023-07-13 来自：开发者社区

Flink CDC中关于状态后台我用了 EmbeddedRocksDBStateBackend？

Flink CDC中关于状态后台我用了 EmbeddedRocksDBStateBackend 但是很慢，磁盘读写拉满了如果用 HashMapStateBackend 这个我怕内存会爆请教一下，怎么给rocksdb做调优，稍微快一点也行，我用了rocksdb之后比我原先慢了不是一点半点？不是，最差那种机械盘，写入35MB每秒，读取5MB每秒，拉满就这种水平的样子反正比较慢，能换SSD我就不...

问答 2023-06-29 来自：开发者社区

Flink CDC这个后台系统是官方的？当前设置的窗口是10s，测试的同步40w数据平均耗时2分20

Flink CDC这个后台系统是官方的？当前设置的窗口是10s，测试的同步40w数据平均耗时2分20秒，感觉有点太慢了。。 es设置的每秒写入100mb数据或者每秒2w条数据，现在每一批提交的数据差不多在60mb的样子，40w是模拟的增量，真实数据在4600w的样子，都是往小了测，实际的话单日增量数据在100~300w之间，这个还只是模拟了单表的全量同步，没测多流join场景；以及反查数据库....

问答 2023-06-04 来自：开发者社区

大佬们使用Flink CDC一定要安装吗？还是只是在后台写同步逻辑直接调用库即可？

问答 2023-02-14 来自：开发者社区

实时计算 Flink版后台启动是哪个参数？

问答 2021-12-03 来自：开发者社区

flink1.9,后台提交job失败怎么解决？

代码里面是有env.execute，提交job出现以下错误，可能时什么原因？ The program didn't contain a Flink job. Perhaps you forgot to call execute() on the execution environment.*来自志愿者整理的FLINK邮件归档

问答 2021-12-03 来自：开发者社区

flink 1.11.1 使用flinksql，jdbc ，后台数据库设置主键的情况下，upsert

"请问使用mysql数据库时，使用flinksql，已经设置主键的情况下，相同主键的记录没有更新，而是越来越多，是目前不支持还是我使用的方法不对呢？版本：flink 1.11.1 关键的2个sql如下 create table open_and_close_terminal_minute_1 ( request_date varchar ,terminal_no varchar ,log...

问答 2019-02-21 来自：开发者社区

请问flink on yarn模式, 怎么使用REST API接口对作业进行监控? 我想集成到自己的后台里而不是在原本的web UI上查看

转自钉钉群21789141：请问flink on yarn模式, 怎么使用REST API接口对作业进行监控? 我想集成到自己的后台里而不是在原本的web UI上查看

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更新时间 2024-06-17 05:13:55

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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