Yes, it does. Thanks to MVCC, TiDB supports the repeatable read isolation level which guarantees that any data read cannot change, if the transaction reads the

Yes, it does. Thanks to MVCC, TiDB supports the repeatable read isolation level which guarantees that any data read cannot change, if the transaction reads the same data again, it will find the previously read data in place, unchanged, and available to read. So we can use any MySQL tools such as mysqldump or mydumper to backup the database consistently. See the MVCC implementation here: https://pingcap.github.io/blog/2016/10/17/how-we-build-tidb/ https://pingcap.github.io/blog/2016/10/17/how-we-build-tidb/