67.Mysql的组提交
摘要:Mysql的提交(group commit) mysql5.7的并行复制是基于组提交的(group commit)的,在正常情况下,一个事务的提交一般需要经过2pc(二阶段提交)过程, 1. prepare阶段: 将XID(内部XA事务的ID) 写入到redo log,同时将redo log对应的事
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