Nakamura

[FEATURE REQUEST] Is there a way to dump the varchar or text column as hex(col) and insert them with unhex("<col_hexstring">)

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**Describe the Feature Request** I am dumping MySQL data(there are blob and text columns in MySQL) and loading to Apache Doris. Apache Doris is a high-performance, real-time analytical database. Its...

flink-connector-mysql-cdc-2.4.2 when a multi-column primary key index starts with a varchar column, a snapshot chunk can potentially return a large number of rows and cause jvm to OOM.

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### Search before asking - [X] I searched in the [issues](https://github.com/ververica/flink-cdc-connectors/issues) and found nothing similar. ### Flink version 1.17.1 ### Flink CDC version flink-connector-mysql-cdc-2.4.2 ### Database and its version source:...

请问Polarfs是否支持pouch hole功能？

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MySQL支持透明页压缩，但是需要文件系统支持pouch hole功能。 功能描述见MySQL官方文档：https://dev.mysql.com/doc/refman/8.0/en/innodb-page-compression.html 请问polarfs是否支持pouch hole功能？

请问Polarfs如何配置才能支持16KB原子写？

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我们想在阿里云ESSD上面运行polarfs，然后在polarfs上面运行MySQL，想关闭double write，请问如何配置polarfs和阿里云ESSD才能让polarfs支持16KB的原子写呢？

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/incubator-doris/issues?q=is%3Aissue) and found no similar issues. ### Version 1.4.0 ### What's Wrong? After syncing mysql data to doris, the...