Redis learning (xxi) Redis data backup and recovery

Redis  the SAVE  command is used to create a current backup of the database.

grammar

redis Save command basic syntax is as follows:

redis 127.0.0.1:6379> SAVE 

Examples

redis 127.0.0.1:6379> SAVE 
OK

This command creates dump.rdb redis file in the installation directory.

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Data recovery

If you need to restore data, simply backup file (dump.rdb) move to redis installation directory and start the service. Get redis directory can  CONFIG  command as follows:

redis 127.0.0.1:6379> CONFIG GET dir
1) "dir"
2) "/usr/local/redis/bin"

The above command  CONFIG GET dir  output redis installation directory is / usr / local / redis / bin .

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Bgsave

Redis create backup files can also use the command  bgsave , the command executes in the background.

Examples

127.0.0.1:6379> BGSAVE

Background saving started