TDIGEST.CREATE
Syntax
TDIGEST.CREATE key [COMPRESSION compression]
- Available in:
- Redis Open Source / Bloom 2.4.0
- Time complexity:
- O(1)
- ACL categories:
-
@tdigest,@write,
Allocates memory and initializes a new t-digest sketch.
Required arguments
key
is the key name for this new t-digest sketch.
Optional arguments
COMPRESSION compression
is a controllable tradeoff between accuracy and memory consumption. 100 is a common value for normal uses and also the default if not specified. 1000 is more accurate. For more information on scaling of accuracy versus the compression value see The t-digest: Efficient estimates of distributions.
Example
redis> TDIGEST.CREATE t COMPRESSION 100
OKReturn information
One of the following:
- Simple string reply
OKif executed correctly. - Simple error reply in these cases: incorrect key type or incorrect keyword.