508 lines
15 KiB
Go
508 lines
15 KiB
Go
package netmap
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import (
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"crypto/rand"
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"encoding/binary"
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"fmt"
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mrand "math/rand"
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"sort"
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"strconv"
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"testing"
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"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/netmap"
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"git.frostfs.info/TrueCloudLab/hrw"
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"github.com/stretchr/testify/require"
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)
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func BenchmarkHRWSort(b *testing.B) {
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const netmapSize = 1000
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vectors := make([]nodes, netmapSize)
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weights := make([]float64, netmapSize)
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for i := range vectors {
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key := make([]byte, 33)
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rand.Read(key)
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var node NodeInfo
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node.SetPrice(1)
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node.SetCapacity(100)
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node.SetPublicKey(key)
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vectors[i] = nodes{node}
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weights[i] = float64(mrand.Uint32()%10) / 10.0
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}
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pivot := mrand.Uint64()
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b.Run("sort by index, no weight", func(b *testing.B) {
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realNodes := make([]nodes, netmapSize)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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copy(realNodes, vectors)
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b.StartTimer()
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hrw.SortSliceByIndex(realNodes, pivot)
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}
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})
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b.Run("sort by value, no weight", func(b *testing.B) {
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realNodes := make([]nodes, netmapSize)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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copy(realNodes, vectors)
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b.StartTimer()
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hrw.SortHasherSliceByValue(realNodes, pivot)
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}
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})
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b.Run("only sort by index", func(b *testing.B) {
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realNodes := make([]nodes, netmapSize)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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copy(realNodes, vectors)
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b.StartTimer()
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hrw.SortSliceByWeightIndex(realNodes, weights, pivot)
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}
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})
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b.Run("sort by value", func(b *testing.B) {
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realNodes := make([]nodes, netmapSize)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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copy(realNodes, vectors)
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b.StartTimer()
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hrw.SortHasherSliceByWeightValue(realNodes, weights, pivot)
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}
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})
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b.Run("sort by ID, then by index (deterministic)", func(b *testing.B) {
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realNodes := make([]nodes, netmapSize)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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b.StopTimer()
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copy(realNodes, vectors)
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b.StartTimer()
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sort.Slice(vectors, func(i, j int) bool {
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return less(vectors[i][0], vectors[j][0])
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})
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hrw.SortSliceByWeightIndex(realNodes, weights, pivot)
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}
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})
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}
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func BenchmarkPolicyHRWType(b *testing.B) {
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const netmapSize = 100
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p := newPlacementPolicy(1,
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[]ReplicaDescriptor{
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newReplica(1, "loc1"),
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newReplica(1, "loc2"),
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},
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[]Selector{
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newSelector("loc1", "Location", 1, "loc1", (*Selector).SelectSame),
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newSelector("loc2", "Location", 1, "loc2", (*Selector).SelectSame),
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},
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[]Filter{
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newFilter("loc1", "Location", "Shanghai", netmap.EQ),
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newFilter("loc2", "Location", "Shanghai", netmap.NE),
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})
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nodes := make([]NodeInfo, netmapSize)
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for i := range nodes {
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var loc string
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switch i % 20 {
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case 0:
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loc = "Shanghai"
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default:
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loc = strconv.Itoa(i % 20)
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}
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// Having the same price and capacity ensures equal weights for all nodes.
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// This way placement is more dependent on the initial order.
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nodes[i] = nodeInfoFromAttributes("Location", loc, "Price", "1", "Capacity", "10")
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pub := make([]byte, 33)
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pub[0] = byte(i)
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nodes[i].SetPublicKey(pub)
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}
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var nm NetMap
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nm.SetNodes(nodes)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, err := nm.ContainerNodes(p, []byte{1})
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if err != nil {
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b.Fatal()
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}
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}
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}
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func TestPlacementPolicy_DeterministicOrder(t *testing.T) {
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const netmapSize = 100
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p := newPlacementPolicy(1,
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[]ReplicaDescriptor{
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newReplica(1, "loc1"),
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newReplica(1, "loc2"),
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},
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[]Selector{
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newSelector("loc1", "Location", 1, "loc1", (*Selector).SelectSame),
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newSelector("loc2", "Location", 1, "loc2", (*Selector).SelectSame),
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},
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[]Filter{
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newFilter("loc1", "Location", "Shanghai", netmap.EQ),
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newFilter("loc2", "Location", "Shanghai", netmap.NE),
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})
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nodeList := make([]NodeInfo, netmapSize)
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for i := range nodeList {
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var loc string
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switch i % 20 {
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case 0:
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loc = "Shanghai"
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default:
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loc = strconv.Itoa(i % 20)
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}
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// Having the same price and capacity ensures equal weights for all nodes.
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// This way placement is more dependent on the initial order.
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nodeList[i] = nodeInfoFromAttributes("Location", loc, "Price", "1", "Capacity", "10")
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pub := make([]byte, 33)
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pub[0] = byte(i)
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nodeList[i].SetPublicKey(pub)
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}
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var nm NetMap
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nm.SetNodes(nodeList)
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getIndices := func(t *testing.T) (uint64, uint64) {
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v, err := nm.ContainerNodes(p, []byte{1})
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require.NoError(t, err)
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nss := make([]nodes, len(v))
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for i := range v {
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nss[i] = v[i]
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}
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ns := flattenNodes(nss)
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require.Equal(t, 2, len(ns))
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return ns[0].Hash(), ns[1].Hash()
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}
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a, b := getIndices(t)
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for i := 0; i < 10; i++ {
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x, y := getIndices(t)
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require.Equal(t, a, x)
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require.Equal(t, b, y)
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}
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}
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func TestPlacementPolicy_ProcessSelectors(t *testing.T) {
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p := newPlacementPolicy(2, nil,
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[]Selector{
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newSelector("SameRU", "City", 2, "FromRU", (*Selector).SelectSame),
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newSelector("DistinctRU", "City", 2, "FromRU", (*Selector).SelectDistinct),
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newSelector("Good", "Country", 2, "Good", (*Selector).SelectDistinct),
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newSelector("Main", "Country", 3, "*", (*Selector).SelectDistinct),
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},
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[]Filter{
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newFilter("FromRU", "Country", "Russia", netmap.EQ),
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newFilter("Good", "Rating", "4", netmap.GE),
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})
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nodes := []NodeInfo{
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nodeInfoFromAttributes("Country", "Russia", "Rating", "1", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "5", "City", "Berlin"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "6", "City", "Moscow"),
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nodeInfoFromAttributes("Country", "France", "Rating", "4", "City", "Paris"),
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nodeInfoFromAttributes("Country", "France", "Rating", "1", "City", "Lyon"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "5", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "7", "City", "Moscow"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "3", "City", "Darmstadt"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "7", "City", "Frankfurt"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"),
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}
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var nm NetMap
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nm.SetNodes(nodes)
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c := newContext(nm)
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c.setCBF(p.backupFactor)
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require.NoError(t, c.processFilters(p))
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require.NoError(t, c.processSelectors(p))
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for _, s := range p.selectors {
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sel := c.selections[s.GetName()]
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s := c.processedSelectors[s.GetName()]
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bucketCount, nodesInBucket := calcNodesCount(*s)
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nodesInBucket *= int(c.cbf)
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targ := fmt.Sprintf("selector '%s'", s.GetName())
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require.Equal(t, bucketCount, len(sel), targ)
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fName := s.GetFilter()
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for _, res := range sel {
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require.Equal(t, nodesInBucket, len(res), targ)
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for j := range res {
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require.True(t, fName == mainFilterName || c.match(c.processedFilters[fName], res[j]), targ)
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}
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}
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}
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}
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func TestPlacementPolicy_Unique(t *testing.T) {
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p := newPlacementPolicy(2,
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[]ReplicaDescriptor{
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newReplica(1, "S"),
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newReplica(1, "S"),
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},
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[]Selector{
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newSelector("S", "City", 1, "*", (*Selector).SelectSame),
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},
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[]Filter{})
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p.unique = true
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var nodes []NodeInfo
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for i, city := range []string{"Moscow", "Berlin", "Shenzhen"} {
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for j := 0; j < 3; j++ {
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node := nodeInfoFromAttributes("City", city)
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node.SetPublicKey(binary.BigEndian.AppendUint16(nil, uint16(i*4+j)))
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nodes = append(nodes, node)
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}
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}
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var nm NetMap
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nm.SetNodes(nodes)
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v, err := nm.ContainerNodes(p, nil)
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require.NoError(t, err)
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for i, vi := range v {
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for _, ni := range vi {
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for j := 0; j < i; j++ {
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for _, nj := range v[j] {
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require.NotEqual(t, ni.hash, nj.hash)
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}
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}
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}
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}
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}
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func TestPlacementPolicy_SingleOmitNames(t *testing.T) {
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nodes := []NodeInfo{
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nodeInfoFromAttributes("ID", "1", "Country", "Russia", "City", "SPB"),
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nodeInfoFromAttributes("ID", "2", "Country", "Germany", "City", "Berlin"),
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nodeInfoFromAttributes("ID", "3", "Country", "Russia", "City", "Moscow"),
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nodeInfoFromAttributes("ID", "4", "Country", "France", "City", "Paris"),
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nodeInfoFromAttributes("ID", "5", "Country", "France", "City", "Lyon"),
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nodeInfoFromAttributes("ID", "6", "Country", "Russia", "City", "SPB"),
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nodeInfoFromAttributes("ID", "7", "Country", "Russia", "City", "Moscow"),
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nodeInfoFromAttributes("ID", "8", "Country", "Germany", "City", "Darmstadt"),
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nodeInfoFromAttributes("ID", "9", "Country", "Germany", "City", "Frankfurt"),
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nodeInfoFromAttributes("ID", "10", "Country", "Russia", "City", "SPB"),
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nodeInfoFromAttributes("ID", "11", "Country", "Russia", "City", "Moscow"),
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nodeInfoFromAttributes("ID", "12", "Country", "Germany", "City", "London"),
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}
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for i := range nodes {
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pub := make([]byte, 33)
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rand.Read(pub)
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nodes[i].SetPublicKey(pub)
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}
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var nm NetMap
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nm.SetNodes(nodes)
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for _, unique := range []bool{false, true} {
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t.Run(fmt.Sprintf("unique=%t", unique), func(t *testing.T) {
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ssNamed := []Selector{newSelector("X", "City", 2, "FromRU", (*Selector).SelectDistinct)}
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fsNamed := []Filter{newFilter("FromRU", "Country", "Russia", netmap.EQ)}
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rsNamed := []ReplicaDescriptor{newReplica(1, "X")}
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pNamed := newPlacementPolicy(3, rsNamed, ssNamed, fsNamed)
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pNamed.unique = unique
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vNamed, err := nm.ContainerNodes(pNamed, []byte{1})
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require.NoError(t, err)
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ssUnnamed := []Selector{newSelector("", "City", 2, "FromRU", (*Selector).SelectDistinct)}
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fsUnnamed := []Filter{newFilter("FromRU", "Country", "Russia", netmap.EQ)}
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rsUnnamed := []ReplicaDescriptor{newReplica(1, "")}
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pUnnamed := newPlacementPolicy(3, rsUnnamed, ssUnnamed, fsUnnamed)
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pUnnamed.unique = unique
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vUnnamed, err := nm.ContainerNodes(pUnnamed, []byte{1})
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require.NoError(t, err)
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require.Equal(t, vNamed, vUnnamed)
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})
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}
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}
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func TestPlacementPolicy_MultiREP(t *testing.T) {
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nodes := []NodeInfo{
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nodeInfoFromAttributes("ID", "1", "Country", "Russia", "City", "SPB"),
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nodeInfoFromAttributes("ID", "2", "Country", "Germany", "City", "Berlin"),
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nodeInfoFromAttributes("ID", "3", "Country", "Russia", "City", "Moscow"),
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nodeInfoFromAttributes("ID", "4", "Country", "France", "City", "Paris"),
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nodeInfoFromAttributes("ID", "5", "Country", "France", "City", "Lyon"),
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nodeInfoFromAttributes("ID", "6", "Country", "Russia", "City", "SPB"),
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nodeInfoFromAttributes("ID", "7", "Country", "Russia", "City", "Moscow"),
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nodeInfoFromAttributes("ID", "8", "Country", "Germany", "City", "Darmstadt"),
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nodeInfoFromAttributes("ID", "9", "Country", "Germany", "City", "Frankfurt"),
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nodeInfoFromAttributes("ID", "10", "Country", "Russia", "City", "SPB"),
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nodeInfoFromAttributes("ID", "11", "Country", "Russia", "City", "Moscow"),
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nodeInfoFromAttributes("ID", "12", "Country", "Germany", "City", "London"),
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}
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for i := range nodes {
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pub := make([]byte, 33)
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rand.Read(pub)
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nodes[i].SetPublicKey(pub)
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}
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var nm NetMap
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nm.SetNodes(nodes)
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ss := []Selector{newSelector("SameRU", "City", 2, "FromRU", (*Selector).SelectDistinct)}
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fs := []Filter{newFilter("FromRU", "Country", "Russia", netmap.EQ)}
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for _, unique := range []bool{false, true} {
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for _, additional := range []int{0, 1, 2} {
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t.Run(fmt.Sprintf("unique=%t, additional=%d", unique, additional), func(t *testing.T) {
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rs := []ReplicaDescriptor{newReplica(1, "SameRU")}
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for i := 0; i < additional; i++ {
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rs = append(rs, newReplica(1, ""))
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}
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p := newPlacementPolicy(3, rs, ss, fs)
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p.unique = unique
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v, err := nm.ContainerNodes(p, []byte{1})
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require.NoError(t, err)
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require.Equal(t, 1+additional, len(v))
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require.Equal(t, 6, len(v[0]))
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for i := 1; i < additional; i++ {
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require.Equal(t, 3, len(v[i]))
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if !unique {
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require.Equal(t, v[1], v[i])
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}
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}
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if unique {
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seen := make(map[string]bool)
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for i := range v {
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for j := range v[i] {
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attr := v[i][j].Attribute("ID")
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require.NotEmpty(t, attr)
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require.False(t, seen[attr])
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seen[attr] = true
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}
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}
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}
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})
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}
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}
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}
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func TestPlacementPolicy_ProcessSelectorsExceptForNodes(t *testing.T) {
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p := newPlacementPolicy(1, nil,
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[]Selector{
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newSelector("ExceptRU", "City", 2, "ExceptRU", (*Selector).SelectSame),
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},
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[]Filter{
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newFilter("ExceptRU", "", "", netmap.NOT,
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newFilter("", "", "", netmap.AND,
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newFilter("", "City", "Lyon", netmap.EQ),
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newFilter("", "Rating", "10", netmap.LE),
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),
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),
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})
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nodes := []NodeInfo{
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nodeInfoFromAttributes("Country", "Germany", "Rating", "1", "City", "Berlin"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "5", "City", "Berlin"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "6", "City", "Moscow"),
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nodeInfoFromAttributes("Country", "France", "Rating", "4", "City", "Paris"),
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nodeInfoFromAttributes("Country", "France", "Rating", "1", "City", "Lyon"),
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nodeInfoFromAttributes("Country", "France", "Rating", "5", "City", "Lyon"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "7", "City", "Moscow"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "3", "City", "Darmstadt"),
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nodeInfoFromAttributes("Country", "Germany", "Rating", "7", "City", "Frankfurt"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"),
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nodeInfoFromAttributes("Country", "Russia", "Rating", "9", "City", "SPB"),
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}
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var nm NetMap
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nm.SetNodes(nodes)
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c := newContext(nm)
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c.setCBF(p.backupFactor)
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require.NoError(t, c.processFilters(p))
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require.NoError(t, c.processSelectors(p))
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for _, s := range p.selectors {
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sel := c.selections[s.GetName()]
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s := c.processedSelectors[s.GetName()]
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bucketCount, nodesInBucket := calcNodesCount(*s)
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nodesInBucket *= int(c.cbf)
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targ := fmt.Sprintf("selector '%s'", s.GetName())
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require.Equal(t, bucketCount, len(sel), targ)
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fName := s.GetFilter()
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for _, res := range sel {
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require.Equal(t, nodesInBucket, len(res), targ)
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for j := range res {
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require.True(t, fName == mainFilterName || c.match(c.processedFilters[fName], res[j]), targ)
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}
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}
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}
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}
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func TestSelector_SetName(t *testing.T) {
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const name = "some name"
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var s Selector
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require.Zero(t, s.m.GetName())
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s.SetName(name)
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require.Equal(t, name, s.m.GetName())
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}
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func TestSelector_SetNumberOfNodes(t *testing.T) {
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const num = 3
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var s Selector
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require.Zero(t, s.m.GetCount())
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s.SetNumberOfNodes(num)
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require.EqualValues(t, num, s.m.GetCount())
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}
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func TestSelectorClauses(t *testing.T) {
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var s Selector
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require.Equal(t, netmap.UnspecifiedClause, s.m.GetClause())
|
|
|
|
s.SelectDistinct()
|
|
require.Equal(t, netmap.Distinct, s.m.GetClause())
|
|
|
|
s.SelectSame()
|
|
require.Equal(t, netmap.Same, s.m.GetClause())
|
|
}
|
|
|
|
func TestSelector_SelectByBucketAttribute(t *testing.T) {
|
|
const attr = "some attribute"
|
|
var s Selector
|
|
|
|
require.Zero(t, s.m.GetAttribute())
|
|
|
|
s.SelectByBucketAttribute(attr)
|
|
require.Equal(t, attr, s.m.GetAttribute())
|
|
}
|
|
|
|
func TestSelector_SetFilterName(t *testing.T) {
|
|
const fName = "some filter"
|
|
var s Selector
|
|
|
|
require.Zero(t, s.m.GetFilter())
|
|
|
|
s.SetFilterName(fName)
|
|
require.Equal(t, fName, s.m.GetFilter())
|
|
}
|