Shulou(Shulou.com)05/31 Report--

This article is about how to use after_rollback in MySQL semi-synchronous replication. Xiaobian thinks it is quite practical, so share it with everyone for reference. Let's follow Xiaobian and have a look.

call flow

ha_rollback_low->(void) RUN_HOOK(transaction, after_rollback, (thd, all));->repl_semi_report_rollback->repl_semi_report_commit

description

The stub is set after database rollback. In binlog, there is often a rollback operation to roll back previous transactions. For rollback operations, add a rollback handler to binlog and copy binlog to slave. In the same sense as transaction commit, we need to wait for ACK from the library. In this sense, the operation of after_rollback is the same as after_commit, so the callback function calls the function after_commit.

Thank you for reading! About "MySQL semi-synchronous replication after_rollback how to use" this article is shared here, I hope the above content can be of some help to everyone, so that everyone can learn more knowledge, if you think the article is good, you can share it to let more people see it!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.