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redis-percentile's Introduction

redis-percentile

Redis module for efficient percentile estimation of streaming or distributed data with t-digest algorithm.

Usage

$ git clone [email protected]:poga/redis-percentile.git
$ cd redis-percentile
$ cargo build
$ redis-server --loadmodule target/debug/libredis_percentile.so

Commands

PERCENTILE.MERGE

PERCENTILE.MERGE <key> values...

Merge a list of numbers into <key>.

response: len(values)

PERCENTILE.MERGESORTED

PERCENTILE.MERGESORTED <key> values...

Merge a sorted list of numbers into <key>.

response: len(values)

PERCENTILE.GET

PERCENTILE.GET <key> <percentile>

response: estimated value of percentile

example
PERCENTILE.GET foo 0.9

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