The ‘mysqlpump‘ utility is a powerful backup tool that is included in MySQL 5.7 and later versions. It allows you to take efficient and parallelized backups of your MySQL databases. In this answer, we will explain how to use the ‘mysqlpump‘ utility for efficient and parallelized MySQL backups.
Before we start, it’s important to note that the ‘mysqlpump‘ utility uses the InnoDB storage engine, so if you have any MyISAM tables, you’ll need to convert them to InnoDB before using ‘mysqlpump‘.
To use ‘mysqlpump‘, follow these steps:
1. Open a terminal or command prompt and navigate to the location where you want to store your backup files.
2. Use the ‘mysqlpump‘ command to create a backup of your database. Here’s the basic syntax:
mysqlpump --user=username --password=password --host=hostname --databases dbname > backup.sqlReplace ‘username‘, ‘password‘, ‘hostname‘, and ‘dbname‘ with the appropriate values for your MySQL server. This command will create a backup of the ‘dbname‘ database and save it to a file named ‘backup.sql‘.
3. By default, ‘mysqlpump‘ creates a single-threaded backup. However, you can increase the number of threads to make the backup process faster. Here’s an example command that uses four threads:
mysqlpump --user=username --password=password --host=hostname --databases dbname --parallel=4 > backup.sqlThe ‘–parallel‘ flag specifies the number of threads to use for the backup process.
4. If you have multiple databases that you want to back up, you can use a wildcard character to specify all databases. Here’s an example command that backs up all databases on the server:
mysqlpump --user=username --password=password --host=hostname --databases '*' > backup.sql5. If you want to back up only certain tables within a database, you can specify them using the ‘–tables‘ flag. Here’s an example command that backs up only two tables within the ‘dbname‘ database:
mysqlpump --user=username --password=password --host=hostname --databases dbname --tables table1 table2 > backup.sql6. Finally, if you want to compress the backup file to save disk space, you can pipe the output of ‘mysqlpump‘ to a compression tool like ‘gzip‘. Here’s an example command that creates a compressed backup:
mysqlpump --user=username --password=password --host=hostname --databases dbname | gzip > backup.sql.gzThat’s it! By following these steps, you can create efficient and parallelized backups of your MySQL databases using the ‘mysqlpump‘ utility.