[GitHub] [dubbo-go-pixiu] baerwang commented on pull request #554: Add Maglev hashing LB algorithm

["baerwang (via GitHub)" <gi...@apache.org>]

baerwang commented on PR #554:
URL: https://github.com/apache/dubbo-go-pixiu/pull/554#issuecomment-1498494746

   分配好像不均衡，result `map[1:6 2:2 3:4 4:5 5:3]`
   
   ```go
   func TestMaglevHash(t *testing.T) {
   
   	nodeCount := 5
   
   	nodes := make([]*model.Endpoint, 0, nodeCount)
   
   	for i := 1; i <= nodeCount; i++ {
   		name := strconv.Itoa(i)
   		nodes = append(nodes, &model.Endpoint{ID: name, Name: name,
   			Address: model.SocketAddress{Address: "192.168.1." + name, Port: 1000 + i}})
   	}
   
   	cluster := &model.ClusterConfig{
   		Name:           "test-cluster",
   		Endpoints:      nodes,
   		LbStr:          model.LoadBalanceMaglevHashing,
   		ConsistentHash: model.ConsistentHash{ReplicaFactor: 10},
   	}
   	cluster.CreateConsistentHash()
   
   	var (
   		hashing = MaglevHash{}
   		path    string
   	)
   
   	record := make(map[string]int, 20)
   
   	for i := 1; i <= 20; i++ {
   		path = fmt.Sprintf("/pixiu?total=%d", i)
   		handler := hashing.Handler(cluster, &http.HttpContext{Request: &stdHttp.Request{Method: stdHttp.MethodGet, RequestURI: path}})
   		if _, ok := record[handler.ID]; ok {
   			record[handler.ID]++
   			continue
   		}
   		record[handler.ID] = 1
   	}
   
   	t.Log(record)
   }
   ```
   
   


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