persist.3valkey - Man Page
Removes the expiration time of a key.
Synopsis
PERSIST
key
Description
Remove the existing timeout on key
, turning the key from volatile (a key with an expire set) to persistent (a key that will never expire as no timeout is associated).
Reply
One of the following:
- valkey-protocol(7) Integer reply:
0
if key does not exist or does not have an associated timeout. - valkey-protocol(7) Integer reply:
1
if the timeout has been removed.
Complexity
O(1)
Acl Categories
@fast @keyspace @write
History
- Available since: 2.2.0
Examples
127.0.0.1:6379> SET mykey "Hello" OK 127.0.0.1:6379> EXPIRE mykey 10 (integer) 1 127.0.0.1:6379> TTL mykey (integer) 10 127.0.0.1:6379> PERSIST mykey (integer) 1 127.0.0.1:6379> TTL mykey (integer) -1
See Also
copy(3valkey), del(3valkey), dump(3valkey), exists(3valkey), expire(3valkey), expireat(3valkey), expiretime(3valkey), keys(3valkey), migrate(3valkey), move(3valkey), object(3valkey), object-encoding(3valkey), object-freq(3valkey), object-help(3valkey), object-idletime(3valkey), object-refcount(3valkey), pexpire(3valkey), pexpireat(3valkey), pexpiretime(3valkey), pttl(3valkey), randomkey(3valkey), rename(3valkey), renamenx(3valkey), restore(3valkey), scan(3valkey), sort(3valkey), sort_ro(3valkey), touch(3valkey), ttl(3valkey), type(3valkey), unlink(3valkey), wait(3valkey), waitaof(3valkey)