问题一：为什么指标标识和 state 类型的映射关系很重要？为什么指标标识和 state 类型的映射关系很重要？参考回答：因为有的聚合函数（如avg）可能需要多个state（如sum和count）来辅助计算，所以指标标识和state类型的映射关系对于判断state是否兼容至关重要。这种映射关系被保存在state的meta中以便进行兼容性判断。 ...

问答 2024-07-23 来自：开发者社区

为什么 Flink SQL 在判断 state 是否兼容时存在漏洞？

问答 2023-08-21 来自：开发者社区

这是啥原因？ flink sql 使用自定义函数时出现 The state is cleared

这是啥原因？ flink sql 使用自定义函数时出现 The state is cleared because of state ttl，source用的hive,sink用的mysql

问答 2023-08-09 来自：开发者社区

Flink CDC中怎么在sql里面配置join state状态存储，还是默认特性不需要配置？

问答 2023-03-08 来自：开发者社区

请问flink sql 的windows操作，state会自动清理吗？

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更新时间 2024-08-23 12:59:11

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实时同步

MySQL 到 Hologres

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功能对比

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作业自动调优