实时计算 Flink版sql模式的相关内容

问答 2023-01-29 来自：开发者社区

Flink CEP SQL中提供了四种匹配策略：（1）skip to next row从匹配成功的事件序列中的第一个事件的下一个事件开始进行下一次匹配（2）skip past last row从匹配成功的事件序列中的最后一个事件的下一个事件开始进行下一次匹配（3）skip to first pattern Item从匹配成功的事件序列中第一个对应于patternItem的事件开始进行下一次匹配（....

问答 2022-07-25 来自：开发者社区

Flink-1.13.6版本的 Flink sql以yarn session 模式运行，怎么禁用托管

Flink-1.13.6版本的 Flink sql以yarn session 模式运行，怎么禁用托管内存啊，尝试了flink-conf配置，也尝试了 sql-client提交时设置，但都不生效。哪位大佬知道怎么禁用托管内存啊

问答 2022-07-12 来自：开发者社区

大佬们，请问 Flink SQL 怎么使用 Per-Job 模式提交任务啊？

问答 2022-06-10 来自：开发者社区

flink啥时候可以支持在sql-client模式下，往yarn上提交任务可以指定applicati

flink啥时候可以支持在sql-client模式下，往yarn上提交任务可以指定application_id？

问答 2021-12-06 来自：开发者社区

flink sql upsert模式写入mysql，es等key一定是groupby之后所有字段吗？

flink sql upsert模式写入mysql，es等key一定是groupby之后所有字段吗？举个例子比如我想要 insert into mysql_sink select ID， amount， ……… from source ...

问答 2021-12-04 来自：开发者社区

Flink SQL FIRST_VALUE 是append 模式吗？

Hi，各位大佬，谁有空帮我看下这个问题 Source: Kafka SinkL Kafka 主要逻辑是 main_table left join merchatn_table 以后，使用 FIRST_VALUE 函数取第一条 transaction_id，我这个模式应该是 append 模式，但是结果好像不是 Error org.apache.flink.client.program.P...

问答 2021-12-01 来自：开发者社区

flink 1.13.0 ，使用flink sql 链接数据库是否支持多模式，即表名为schema.

hi!       flink jdbc 是否有考虑支持表基于模式查询？如下 table-name写法： CREATE TABLE MyUserTable ( id BIGINT, name STRING, age INT, status BOOLEAN, PRIMARY KEY (id) NOT ENFORCED ) WITH ( 'connector' = 'jd...

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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

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功能对比

开源Flink对比

成本优化

作业自动调优