Available since: 3.0.0

Time complexity: O(1) to create the new key and additional O(NM) to reconstruct the serialized value, where N is the number of Redis objects composing the value and M their average size. For small string values the time complexity is thus O(1)+O(1M) where M is small, so simply O(1). However for sorted set values the complexity is O(NMlog(N)) because inserting values into sorted sets is O(log(N)).

ACL categories: @keyspace @write @slow @dangerous

The RESTORE-ASKING command is an internal command. It is used by a Redis cluster master during slot migration.