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请问各位大佬,flink cdc在抽取oracle全量数据之前会加表级排他锁
2022-06-21 11:57:00 【阿里云问答】
请问各位大佬,flink cdc在抽取oracle全量数据之前会加表级排他锁,由于源端表数量大,在万张以上,锁表时长可能出现不可控的情况,而且对业务影响巨大。有没有方法解决这个问题
采纳答案1:
使用cdc 2.0 以上的版本,2.0底层封装了无锁算法,对业务不影响(此答案整理自Flink CDC 社区)
采纳答案2:
试下能不能增量和全量分开 cdc抽取增量的数据(此答案整理自Flink CDC 社区)
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