你好，
抱歉，暂时可从以下链接查看，我们会持续更新官网：
https://github.com/pingcap/tidb/blob/c02e92c02f31d67da0c7c2e02031c920eb264313/config/config.toml.example#L234https://pingcap.com/docs/dev/reference/configuration/tidb-server/configuration-file/#txn-total-size-limit
