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TTL
Josh Baker edited this page Oct 11, 2016
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Returns the remaining time to live of a key that has a timeout. This introspection capability allows a Redis client to check how many seconds a given key will continue to be part of the dataset.
See also the PTTL command that returns the same information with milliseconds resolution.
Integer reply: TTL in seconds, or a negative value in order to signal an error:
- -2 if the key does not exist.
- -1 if the key exists but has no associated expire.
> SET mykey "Hello"
OK
> EXPIRE mykey 10
(integer) 1
> TTL mykey
(integer) 10
APPEND, BITCOUNT, BITOP, BITPOS, DBSIZE, DECR, DECRBY, DEL, EXISTS, EXPIRE, EXPIREAT, FLUSHDB, GET, GETBIT, GETRANGE, GETSET, INCR, INCRBY, INCRBYFLOAT, KEYS, MGET, MSET, MSETNX, PDEL, PERSIST, PEXPIRE, PEXPIREAT, PTTL, RENAME, RENAMENX, SET, SETBIT, SETRANGE, STRLEN, TTL