hash

func JumpHash ¶ added in v1.9.0

func JumpHash(key uint64, numBuckets int) int

JumpHash consistently chooses a bucket in the range [0, numBuckets) for the given key. Zero or negative numBuckets are treated as numBuckets = 1. See: https://arxiv.org/pdf/1406.2294.pdf

Go implementation from https://github.com/go-distsys/jumphash.

func JumpHashStr ¶ added in v1.9.0

func JumpHashStr(key string, numBuckets int) int

JumpHashStr is like JumpHash, but takes a string key and xxh3-hashes it.

func XXH3Hex ¶

func XXH3Hex(b []byte) string

XXH3Hex returns 64-bit xxh3 hash in hexadecimal form (16 chars).