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PolarDB-X 2.0的全局binlog能力对接 #3494

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agapple opened this issue Apr 28, 2021 · 0 comments
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PolarDB-X 2.0的全局binlog能力对接 #3494

agapple opened this issue Apr 28, 2021 · 0 comments
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agapple commented Apr 28, 2021 •
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云原生分布式数据库 PolarDB-X（原 DRDS 升级版）是由阿里巴巴自主研发的云原生分布式数据库，融合分布式SQL引擎DRDS与分布式自研存储X-DB，是一个Share-Nothing的分布式架构。

分布式下数据导入导出兼容性，datax可以比较好的支持全量，但分布式数据库的增量同步一直是大家的一个痛点。

  1. tidb的CDC方案也是几经波折，最新的ticdc方案更像是一个消息通知，并没有提供事务级别的CDC语义，也没有做到mysql binlog协议的兼容性
  2. cockroachDB和yugabyteDB也有对应的cdc能力，主要还是以kafka的消息通知为主，并没有事务级别的语义

值得高兴的事，PolarDB-X 2.0在近期推出了全局Binlog能力，完全兼容mysql binlog协议，参考文档：https://help.aliyun.com/document_detail/207719.html
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