In an effort to transfer all my keys from database 1 to database 2 in Redis, I am executing the following command:
select 1 to switch to database 1
MIGRATE localhost 6380 "" 2 50000 AUTH my_password COPY KEYSHowever, this results in a NOKEY error.
Could someone please advise me on what may be causing this issue?
Because you have not specified any specific keys for migration.
If you are using the KEYS option, make sure to list the keys after this option:
MIGRATE localhost 6380 "" 2 50000 AUTH my_password COPY KEYS key1 key2 key3 ...
To successfully migrate keys from one database to another, you must first scan and identify these keys in the source database.
In your situation, consider using the COPY command instead of the MIGRATE command if you are on Redis version 6.2.0 or newer.
You can try executing the following command as a one-liner:
redis-cli --scan | xargs -I {} redis-cli copy {} {} DB 2
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