{ "RESTORE-ASKING": { "summary": "An internal command for migrating keys in a cluster", "complexity": "O(1) to create the new key and additional O(N*M) 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(1*M) where M is small, so simply O(1). However for sorted set values the complexity is O(N*M*log(N)) because inserting values into sorted sets is O(log(N)).", "group": "server", "since": "3.0.0", "arity": -4, "function": "restoreCommand", "doc_flags": [ "SYSCMD" ], "command_flags": [ "WRITE", "DENYOOM", "ASKING" ], "acl_categories": [ "KEYSPACE", "DANGEROUS" ], "key_specs": [ { "flags": [ "WRITE" ], "begin_search": { "index": { "pos": 1 } }, "find_keys": { "range": { "lastkey": 0, "step": 1, "limit": 0 } } } ] } }