flink SQL任务的相关内容

问答 2023-10-18 来自：开发者社区

flink mysql cdc 2.3通过sql任务读取多张mysql表，请问这是什么情况？

flink mysql cdc 2.3通过sql任务读取多张mysql表，过了一会会提示mysql 通信问题。请问这是什么情况？是需要设置这两个参数吗

问答 2023-10-18 来自：开发者社区

flink sql 如果创建的表有多个sql任务使用这个表，消息只会被一个sql任务消费吗？

flink sql 如果创建的表有多个sql任务使用这个表，消息只会被一个sql任务消费吗？其他任务就没有了？

问答 2023-09-28 来自：开发者社区

Flink CDC中我使用flink SQL gateway提交的任务，为什么老是出现这个问题啊？!

Flink CDC中我使用flink SQL gateway提交的任务，为什么老是出现这个问题啊？

问答 2023-09-28 来自：开发者社区

如何用flink sql客户端用yarn application模式提交任务呢？

问答 2023-08-29 来自：开发者社区

请问一下，Flink CDC sql同步数据，添加到20个任务（20张表）后，就提示获取不到连接？

问题1：请问一下，Flink CDC sql同步数据，添加到20个任务（20张表）后，就提示获取不到连接，这个是需要配置连接池吗？ flink版本：1.17.0 ，flink-sql-connector-mysql-cdc-2.4.1。异常如下图：问题2：这个参数是全局的吗？这个不是给单独一个cdc设置的吗？

问答 2023-08-28 来自：开发者社区

Flink sql-client提交的sql任务能写到sink表，通过flink ？

Flink sql-client提交的sql任务能写到sink表，通过flink sql-gateway提交的sql任务写不进去，有人遇见过吗？

问答 2023-08-20 来自：开发者社区

请问下flink1.17在sql-client启动oracle cdc任务后会占用大量？

请问下flink1.17在sql-client启动oracle cdc任务后会占用大量session如何设置？

问答 2023-08-09 来自：开发者社区

为什么我flink-1.15.3升cdc为2.3和2.4后，创建多个sql-client任务都失败？

"为什么我flink-1.15.3升级cdc为2.3和2.4之后，创建多个sql-client任务都会产生mysql连接超时失败问题？是这两个版本加了什么参数设置吗？换回2.2.1就不会，可以创建多个任务。而2.3和2.4只能创建1-2个任务。ddl没有设置，而且如果ddl设置也只是该任务的设置，看这个错是整个flink都使用了该设置，导致没办法共用连接池或者连接池不够。我把所有任务停了，重新一....

问答 2023-07-26 来自：开发者社区

flink sql任务有三个mysql cdc 源表通过left join关联写入目标表，没更新？

flink sql任务有三个mysql cdc 源表通过left join关联写入目标表。过了半天之后，更新源表中的记录，发现目标表没更新。这是flink SQL不支持吗，还是要做什么特殊设置，或者使用什么语法？就是更新了where条件对应的记录，另外，大表join，是如何做实时记录匹配的，应该是需要流内存拦截吧，不然怎么做到实时匹配呢？假如关联的两张表的记录一个在最开始就来了，另一个迟了很久才....

问答 2023-07-13 来自：开发者社区

请教个Flink CDC问题啊，oracle cdc sql任务 ,源表1亿条数据，现在全量阶？

请教个Flink CDC问题啊，oracle cdc sql任务 ,源表1亿条数据，现在全量阶段一直没有数据写入到目标库，貌似卡住了，在哪可以看到全量的进度或者日志吗？

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