milvus/internal/querycoordv2/meta/replica_manager_helper_test.go

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package meta
import (
"testing"
"github.com/stretchr/testify/suite"
"github.com/milvus-io/milvus/internal/proto/querypb"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
type expectedReplicaPlan struct {
newRONodes int
recoverNodes int
incomingNodeCount int
expectedNodeCount int
}
type testCase struct {
collectionID typeutil.UniqueID // collection id
rgToReplicas map[string][]*Replica // from resource group to replicas
rgs map[string]typeutil.UniqueSet // from resource group to nodes
expectedPlan map[typeutil.UniqueID]expectedReplicaPlan // from replica id to expected plan
expectedNewIncomingNodes map[string]typeutil.UniqueSet // from resource group to incoming nodes
}
type CollectionAssignmentHelperSuite struct {
suite.Suite
}
func (s *CollectionAssignmentHelperSuite) TestNoModificationCase() {
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2, 3, 4},
RoNodes: []int64{},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{5, 6},
RoNodes: []int64{},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{7, 8},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 6, 7, 8),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 4,
},
2: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 2,
},
3: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 2,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(),
"rg2": typeutil.NewUniqueSet(),
},
})
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2, 3, 4},
RoNodes: []int64{},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{5},
RoNodes: []int64{},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{6, 7},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 6, 7),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 4,
},
2: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 1,
},
3: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 2,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(),
"rg2": typeutil.NewUniqueSet(),
},
})
}
func (s *CollectionAssignmentHelperSuite) TestRO() {
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2, 3, 4, 5},
RoNodes: []int64{},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{6},
RoNodes: []int64{},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{7, 8},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 6, 7, 8),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 1,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 4,
},
2: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 1,
},
3: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 2,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(),
"rg2": typeutil.NewUniqueSet(), // 5 is still used rg1 of replica 1.
},
})
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2, 3, 4, 5},
RoNodes: []int64{},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{6},
RoNodes: []int64{},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{7, 8},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 7, 8),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 1,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 4,
},
2: {
newRONodes: 1,
recoverNodes: 0,
incomingNodeCount: 1,
expectedNodeCount: 1,
},
3: {
newRONodes: 1,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 1,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(),
"rg2": typeutil.NewUniqueSet(), // 5 is still used rg1 of replica 1.
},
})
}
func (s *CollectionAssignmentHelperSuite) TestIncomingNode() {
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2},
RoNodes: []int64{5},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{6},
RoNodes: []int64{},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{7},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 6, 7, 8),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 2,
expectedNodeCount: 4,
},
2: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 1,
},
3: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 1,
expectedNodeCount: 2,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(3, 4),
"rg2": typeutil.NewUniqueSet(8),
},
})
}
func (s *CollectionAssignmentHelperSuite) TestRecoverNode() {
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2},
RoNodes: []int64{3},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{6},
RoNodes: []int64{7},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{8},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 6, 7, 8),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 0,
recoverNodes: 1,
incomingNodeCount: 1,
expectedNodeCount: 4,
},
2: {
newRONodes: 0,
recoverNodes: 1,
incomingNodeCount: 0,
expectedNodeCount: 2,
},
3: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 1,
expectedNodeCount: 2,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(4),
"rg2": typeutil.NewUniqueSet(5),
},
})
}
func (s *CollectionAssignmentHelperSuite) TestMixRecoverNode() {
s.runCase(testCase{
collectionID: 1,
rgToReplicas: map[string][]*Replica{
"rg1": {
newReplica(&querypb.Replica{
ID: 1,
CollectionID: 1,
Nodes: []int64{1, 2},
RoNodes: []int64{3},
}),
},
"rg2": {
newReplica(&querypb.Replica{
ID: 2,
CollectionID: 1,
Nodes: []int64{6},
RoNodes: []int64{7},
}),
newReplica(&querypb.Replica{
ID: 3,
CollectionID: 1,
Nodes: []int64{8},
RoNodes: []int64{},
}),
},
"rg3": {
newReplica(&querypb.Replica{
ID: 4,
CollectionID: 1,
Nodes: []int64{9},
RoNodes: []int64{},
}),
newReplica(&querypb.Replica{
ID: 5,
CollectionID: 1,
Nodes: []int64{10},
RoNodes: []int64{},
}),
},
},
rgs: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(1, 2, 3, 4),
"rg2": typeutil.NewUniqueSet(5, 6, 7),
"rg3": typeutil.NewUniqueSet(8, 9, 10),
},
expectedPlan: map[typeutil.UniqueID]expectedReplicaPlan{
1: {
newRONodes: 0,
recoverNodes: 1,
incomingNodeCount: 1,
expectedNodeCount: 4,
},
2: {
newRONodes: 0,
recoverNodes: 1,
incomingNodeCount: 0,
expectedNodeCount: 2,
},
3: {
newRONodes: 1,
recoverNodes: 0,
incomingNodeCount: 1,
expectedNodeCount: 1,
},
4: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 1,
},
5: {
newRONodes: 0,
recoverNodes: 0,
incomingNodeCount: 0,
expectedNodeCount: 1,
},
},
expectedNewIncomingNodes: map[string]typeutil.UniqueSet{
"rg1": typeutil.NewUniqueSet(4),
"rg2": typeutil.NewUniqueSet(5),
"rg3": typeutil.NewUniqueSet(),
},
})
}
func (s *CollectionAssignmentHelperSuite) runCase(c testCase) {
cHelper := newCollectionAssignmentHelper(c.collectionID, c.rgToReplicas, c.rgs)
cHelper.RangeOverResourceGroup(func(rHelper *replicasInSameRGAssignmentHelper) {
s.ElementsMatch(c.expectedNewIncomingNodes[rHelper.rgName].Collect(), rHelper.incomingNodes.Collect())
rHelper.RangeOverReplicas(func(assignment *replicaAssignmentInfo) {
roNodes := assignment.GetNewRONodes()
recoverNodes, incomingNodes := assignment.GetRecoverNodesAndIncomingNodeCount()
plan := c.expectedPlan[assignment.GetReplicaID()]
s.Equal(
plan.newRONodes,
len(roNodes),
)
s.Equal(
plan.incomingNodeCount,
incomingNodes,
)
s.Equal(
plan.recoverNodes,
len(recoverNodes),
)
s.Equal(
plan.expectedNodeCount,
assignment.expectedNodeCount,
)
})
})
}
func TestCollectionAssignmentHelper(t *testing.T) {
suite.Run(t, new(CollectionAssignmentHelperSuite))
}