EXPIREAT

redis and generic | Mar 9, 2016

EXPIREAT has the same effect and semantic as EXPIRE, but instead of specifying the number of seconds representing the TTL (time to live), it takes an absolute Unix timestamp (seconds since January 1, 1970).

EXPIRE

redis and generic | Mar 9, 2016

Set a timeout on key. After the timeout has expired, the key will automatically be deleted. A key with an associated timeout is often said to be volatile in Redis terminology.

EXISTS

redis and generic | Mar 9, 2016

Returns if key exists.

DUMP

redis and generic | Mar 9, 2016

Serialize the value stored at key in a Redis-specific format and return it to the user. The returned value can be synthesized back into a Redis key using the RESTORE command.

DEL

redis and generic | Mar 9, 2016

Removes the specified keys. A key is ignored if it does not exist.

PFMERGE

redis and hyperloglog | Mar 8, 2016

Merge multiple HyperLogLog values into an unique value that will approximate the cardinality of the union of the observed Sets of the source HyperLogLog structures.

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