Redis provides the functionality to create and restore backups of your database. Let's see how you can do it.
For creating a backup, Redis uses the SAVE
or BGSAVE
commands. The SAVE
command operates synchronously but will block other operations until it has completed. On the other hand, BGSAVE
performs the backup process in the background. Here is an example:
redis-cli bgsave
After running this command, a dump file named dump.rdb
will be created in your Redis directory.
Restoring a backup in Redis is quite simple as well. It involves just moving your backup file (dump.rdb
) to the proper Redis directory and starting your server. Redis automatically loads the dump.rdb
file on startup. The default directory can be found in your Redis configuration file (redis.conf) under the dir
section.
Here is a simple example of restoring a backup:
First, stop your Redis server:
redis-cli shutdown
Then, move your backup file to the Redis directory:
mv /path/to/your/dump.rdb /path/to/redis/dir/
Finally, start your Redis server again:
redis-server
Please note, the path /path/to/your/
and /path/to/redis/dir/
need to be replaced with actual paths in your system.
In conclusion, Redis makes it easy to create backups using the SAVE
or BGSAVE
commands and restoring them by simply moving the backup file to the correct directory and restarting the server. Be sure to always back up your data regularly and verify your backups for security and reliability.
Dragonfly is fully compatible with the Redis ecosystem and requires no code changes to implement.