What is mysqldump?
mysqldump is a tool that allows you to perform logical backups for your MySQL databases. The output of mysqldump is a SQL file that can be used later to restore one or more databases.
How to compress a mysqldump backup using Gzip?
Gzip can be used togheter with mysqldump in order to compress the size of the output. It has 9 leveles of compression, 6 being the default one.
Let's assume we have a database named
my_app
for which we want to create a dump and compress it using gzip (default level of compression). We can achieve it with the following command:mysqldump my_app | gzip > my_app_backup.sql.gz
How to specify the compression level?
Let's assume we want to backup the same
my_app
database, but this time with a compression level of 8. We can do it with the following command:mysqldump my_app | gzip -8 > my_app_backup.sql.gz
What else can be done using mysqldump?
mysqldump has a lot of flags & functions. Check out mysqldump.guru to find out what else you can do with mysqldump.
Previously published at https://medium.com/@adidragocea/how-to-compress-a-mysqldump-backup-using-gzip-5dc2a240e9a7