All posts by Libing.Song

About Libing.Song

Software Engineer @ MySQL Replication Team

More Metadata Is Written Into Binary Log

In row based replication, the row data generated by DML is logged into binary log with some metadata. For example column type, type length etc. In the new release MySQL-8.0.1, more table metadata are written into binary log. All metadata together brings users and us below benefits:

  • Allows us to build robuster replication and convert row data between types smoothly.

Transaction Retry Is Available On Multi-Threaded Slave

 I am happy to announce that slave_transaction_retries is available on multi-threaded slave now. You will no longer see the warning that slave_transaction_retries is not supported by multi-threaded slave since MySQL-5.7.5.

Multi-threaded slave and single-threaded slave share the system variable slave_transaction_retries and they have similar transaction retry logic.…