Function conflictingTokensExist

ring/model.go:366–383

(normalizedIngesters map[string]InstanceDesc)

var tokenMapPool = sync.Pool{New: func() interface{} { return make(map[uint32]struct{}) }}

func conflictingTokensExist(normalizedIngesters map[string]InstanceDesc) bool {
	tokensMap := tokenMapPool.Get().(map[uint32]struct{})
	defer func() {
		for k := range tokensMap {
			delete(tokensMap, k)
		}
		tokenMapPool.Put(tokensMap)
	}()
	for _, ing := range normalizedIngesters {
		for _, t := range ing.Tokens {
			if _, contains := tokensMap[t]; contains {
				return true
			}
			tokensMap[t] = struct{}{}
		}
	}
	return false
}

// This function resolves token conflicts, if there are any.
//