MySQL 5.7 comes with a new backup tool, named mysqlpump, which is almost the same as mysqldump
with the ability of extracting data in parallel threads.
I tried a little experiment. Using a server containing 11
databases, with a total of 300 tables and about 20 million rows
(roughly ≈ 10GB,) I used both mysqldump and mysqlpump to get a
mysqldump --all-databases > dump.sql
mysqlpump --all-databases \
--add-drop-database --add-drop-table --skip-watch-progress \
--parallel-schemas=db9,db10 > pump.sql
The backup with mysqldump took 3 minutes and 33 seconds.
The one with mysqlpump took 2 minutes and …[Read more]