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JasonLaw
V2EX  ›  MySQL

关于 MySQL Replication with Global Transaction Identifiers 的疑问

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  •   JasonLaw · 2020-08-04 16:28:09 +08:00 · 1382 次点击
    这是一个创建于 1332 天前的主题,其中的信息可能已经有所发展或是发生改变。

    MySQL :: MySQL 8.0 Reference Manual :: 17.1.3.1 GTID Format and Storage中,有这么一段:

    GTID assignment distinguishes between client transactions, which are committed on the source, and replicated transactions, which are reproduced on a replica. When a client transaction is committed on the source, it is assigned a new GTID, provided that the transaction was written to the binary log. Client transactions are guaranteed to have monotonically increasing GTIDs without gaps between the generated numbers. If a client transaction is not written to the binary log (for example, because the transaction was filtered out, or the transaction was read-only), it is not assigned a GTID on the server of origin.

    它说“If a client transaction is not written to the binary log (for example, because the transaction was filtered out, or the transaction was read-only), it is not assigned a GTID on the server of origin.”,究竟是什么情况下,client transaction 会被 filtered out 呢?

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