TOPK.ADD

TOPK.ADD key items [items ...]

Available in:

Redis Open Source / Bloom 2.0.0

Time complexity:

O(n * k) where n is the number of items and k is the depth

ACL categories:

@topk, @write, @slow,

Compatibility:

Redis Enterprise and Redis Cloud compatibility

Adds an item to a Top-k sketch. Multiple items can be added at the same time. If an item enters the Top-K sketch, the item that is expelled (if any) is returned. This allows dynamic heavy-hitter detection of items being entered or expelled from Top-K sketch.

Parameters

• key: the name of the sketch where items are added.
• item: the items to be added.

Example

redis> TOPK.ADD topk foo bar 42
1) (nil)
2) baz
3) (nil)

Redis Enterprise and Redis Cloud compatibility

Return information