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cluster_test.go
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cluster_test.go
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// Copyright 2016 TiKV Project Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cluster
import (
"context"
"encoding/json"
"fmt"
"math"
"math/rand"
"net/http"
"net/http/httptest"
"sync"
"testing"
"time"
"github.com/docker/go-units"
"github.com/pingcap/errors"
"github.com/pingcap/failpoint"
"github.com/pingcap/kvproto/pkg/eraftpb"
"github.com/pingcap/kvproto/pkg/metapb"
"github.com/pingcap/kvproto/pkg/pdpb"
"github.com/pingcap/log"
"github.com/stretchr/testify/require"
"github.com/tikv/pd/pkg/cluster"
"github.com/tikv/pd/pkg/core"
"github.com/tikv/pd/pkg/core/constant"
"github.com/tikv/pd/pkg/core/storelimit"
"github.com/tikv/pd/pkg/errs"
"github.com/tikv/pd/pkg/id"
"github.com/tikv/pd/pkg/mock/mockhbstream"
"github.com/tikv/pd/pkg/mock/mockid"
"github.com/tikv/pd/pkg/progress"
"github.com/tikv/pd/pkg/schedule"
sc "github.com/tikv/pd/pkg/schedule/config"
sche "github.com/tikv/pd/pkg/schedule/core"
"github.com/tikv/pd/pkg/schedule/filter"
"github.com/tikv/pd/pkg/schedule/hbstream"
"github.com/tikv/pd/pkg/schedule/labeler"
"github.com/tikv/pd/pkg/schedule/operator"
"github.com/tikv/pd/pkg/schedule/placement"
"github.com/tikv/pd/pkg/schedule/schedulers"
"github.com/tikv/pd/pkg/slice"
"github.com/tikv/pd/pkg/statistics"
"github.com/tikv/pd/pkg/statistics/utils"
"github.com/tikv/pd/pkg/storage"
"github.com/tikv/pd/pkg/utils/logutil"
"github.com/tikv/pd/pkg/utils/operatorutil"
"github.com/tikv/pd/pkg/utils/testutil"
"github.com/tikv/pd/pkg/utils/typeutil"
"github.com/tikv/pd/pkg/versioninfo"
"github.com/tikv/pd/server/config"
)
func TestStoreHeartbeat(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
opt.GetScheduleConfig().StoreLimitVersion = "v2"
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
n, np := uint64(3), uint64(3)
stores := newTestStores(n, "2.0.0")
storeMetasAfterHeartbeat := make([]*metapb.Store, 0, n)
regions := newTestRegions(n, n, np)
for _, region := range regions {
re.NoError(cluster.putRegion(region))
}
re.Equal(int(n), cluster.GetTotalRegionCount())
for i, store := range stores {
req := &pdpb.StoreHeartbeatRequest{}
resp := &pdpb.StoreHeartbeatResponse{}
req.Stats = &pdpb.StoreStats{
StoreId: store.GetID(),
Capacity: 100,
Available: 50,
RegionCount: 1,
}
re.Error(cluster.HandleStoreHeartbeat(req, resp))
re.NoError(cluster.setStore(store))
re.Equal(i+1, cluster.GetStoreCount())
re.Equal(int64(0), store.GetLastHeartbeatTS().UnixNano())
re.NoError(cluster.HandleStoreHeartbeat(req, resp))
s := cluster.GetStore(store.GetID())
re.NotEqual(int64(0), s.GetLastHeartbeatTS().UnixNano())
re.Equal(req.GetStats(), s.GetStoreStats())
re.Equal("v2", cluster.GetStore(1).GetStoreLimit().Version())
storeMetasAfterHeartbeat = append(storeMetasAfterHeartbeat, s.GetMeta())
}
re.Equal(int(n), cluster.GetStoreCount())
for i, store := range stores {
tmp := &metapb.Store{}
ok, err := cluster.storage.LoadStoreMeta(store.GetID(), tmp)
re.True(ok)
re.NoError(err)
re.Equal(storeMetasAfterHeartbeat[i], tmp)
}
hotReq := &pdpb.StoreHeartbeatRequest{}
hotResp := &pdpb.StoreHeartbeatResponse{}
hotReq.Stats = &pdpb.StoreStats{
StoreId: 1,
RegionCount: 1,
Interval: &pdpb.TimeInterval{
StartTimestamp: 0,
EndTimestamp: 10,
},
PeerStats: []*pdpb.PeerStat{
{
RegionId: 1,
ReadKeys: 9999999,
ReadBytes: 9999998,
QueryStats: &pdpb.QueryStats{
Get: 9999997,
},
},
},
}
hotHeartBeat := hotReq.GetStats()
coldReq := &pdpb.StoreHeartbeatRequest{}
coldResp := &pdpb.StoreHeartbeatResponse{}
coldReq.Stats = &pdpb.StoreStats{
StoreId: 1,
RegionCount: 1,
Interval: &pdpb.TimeInterval{
StartTimestamp: 0,
EndTimestamp: 10,
},
PeerStats: []*pdpb.PeerStat{},
}
cluster.opt.GetScheduleConfig().StoreLimitVersion = "v1"
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
re.Equal("v1", cluster.GetStore(1).GetStoreLimit().Version())
time.Sleep(20 * time.Millisecond)
storeStats := cluster.hotStat.RegionStats(utils.Read, 3)
re.Len(storeStats[1], 1)
re.Equal(uint64(1), storeStats[1][0].RegionID)
interval := float64(hotHeartBeat.Interval.EndTimestamp - hotHeartBeat.Interval.StartTimestamp)
re.Len(storeStats[1][0].Loads, utils.DimLen)
re.Equal(float64(hotHeartBeat.PeerStats[0].ReadBytes)/interval, storeStats[1][0].Loads[utils.ByteDim])
re.Equal(float64(hotHeartBeat.PeerStats[0].ReadKeys)/interval, storeStats[1][0].Loads[utils.KeyDim])
re.Equal(float64(hotHeartBeat.PeerStats[0].QueryStats.Get)/interval, storeStats[1][0].Loads[utils.QueryDim])
// After cold heartbeat, we won't find region 1 peer in regionStats
re.NoError(cluster.HandleStoreHeartbeat(coldReq, coldResp))
time.Sleep(20 * time.Millisecond)
storeStats = cluster.hotStat.RegionStats(utils.Read, 1)
re.Empty(storeStats[1])
// After hot heartbeat, we can find region 1 peer again
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
time.Sleep(20 * time.Millisecond)
storeStats = cluster.hotStat.RegionStats(utils.Read, 3)
re.Len(storeStats[1], 1)
re.Equal(uint64(1), storeStats[1][0].RegionID)
// after several cold heartbeats, and one hot heartbeat, we also can't find region 1 peer
re.NoError(cluster.HandleStoreHeartbeat(coldReq, coldResp))
re.NoError(cluster.HandleStoreHeartbeat(coldReq, coldResp))
re.NoError(cluster.HandleStoreHeartbeat(coldReq, coldResp))
time.Sleep(20 * time.Millisecond)
storeStats = cluster.hotStat.RegionStats(utils.Read, 0)
re.Empty(storeStats[1])
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
time.Sleep(20 * time.Millisecond)
storeStats = cluster.hotStat.RegionStats(utils.Read, 1)
re.Empty(storeStats[1])
storeStats = cluster.hotStat.RegionStats(utils.Read, 3)
re.Empty(storeStats[1])
// after 2 hot heartbeats, wo can find region 1 peer again
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
re.NoError(cluster.HandleStoreHeartbeat(hotReq, hotResp))
time.Sleep(20 * time.Millisecond)
storeStats = cluster.hotStat.RegionStats(utils.Read, 3)
re.Len(storeStats[1], 1)
re.Equal(uint64(1), storeStats[1][0].RegionID)
}
func TestFilterUnhealthyStore(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
stores := newTestStores(3, "2.0.0")
req := &pdpb.StoreHeartbeatRequest{}
resp := &pdpb.StoreHeartbeatResponse{}
for _, store := range stores {
req.Stats = &pdpb.StoreStats{
StoreId: store.GetID(),
Capacity: 100,
Available: 50,
RegionCount: 1,
}
re.NoError(cluster.setStore(store))
re.NoError(cluster.HandleStoreHeartbeat(req, resp))
re.NotNil(cluster.hotStat.GetRollingStoreStats(store.GetID()))
}
for _, store := range stores {
req.Stats = &pdpb.StoreStats{
StoreId: store.GetID(),
Capacity: 100,
Available: 50,
RegionCount: 1,
}
newStore := store.Clone(core.SetStoreState(metapb.StoreState_Tombstone))
re.NoError(cluster.setStore(newStore))
re.NoError(cluster.HandleStoreHeartbeat(req, resp))
re.Nil(cluster.hotStat.GetRollingStoreStats(store.GetID()))
}
}
func TestSetOfflineStore(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
cluster.ruleManager = placement.NewRuleManager(ctx, storage.NewStorageWithMemoryBackend(), cluster, cluster.GetOpts())
if opt.IsPlacementRulesEnabled() {
err := cluster.ruleManager.Initialize(opt.GetMaxReplicas(), opt.GetLocationLabels(), opt.GetIsolationLevel())
if err != nil {
panic(err)
}
}
// Put 6 stores.
for _, store := range newTestStores(6, "2.0.0") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
// store 1: up -> offline
re.NoError(cluster.RemoveStore(1, false))
store := cluster.GetStore(1)
re.True(store.IsRemoving())
re.False(store.IsPhysicallyDestroyed())
// store 1: set physically to true success
re.NoError(cluster.RemoveStore(1, true))
store = cluster.GetStore(1)
re.True(store.IsRemoving())
re.True(store.IsPhysicallyDestroyed())
// store 2:up -> offline & physically destroyed
re.NoError(cluster.RemoveStore(2, true))
// store 2: set physically destroyed to false failed
re.Error(cluster.RemoveStore(2, false))
re.NoError(cluster.RemoveStore(2, true))
// store 3: up to offline
re.NoError(cluster.RemoveStore(3, false))
re.NoError(cluster.RemoveStore(3, false))
cluster.checkStores()
// store 1,2,3 should be to tombstone
for storeID := uint64(1); storeID <= 3; storeID++ {
re.True(cluster.GetStore(storeID).IsRemoved())
}
// test bury store
for storeID := uint64(0); storeID <= 4; storeID++ {
store := cluster.GetStore(storeID)
if store == nil || store.IsUp() {
re.Error(cluster.BuryStore(storeID, false))
} else {
re.NoError(cluster.BuryStore(storeID, false))
}
}
// test clean up tombstone store
toCleanStore := cluster.GetStore(1).Clone().GetMeta()
toCleanStore.LastHeartbeat = time.Now().Add(-40 * 24 * time.Hour).UnixNano()
cluster.PutMetaStore(toCleanStore)
cluster.checkStores()
re.Nil(cluster.GetStore(1))
}
func TestSetOfflineWithReplica(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
// Put 4 stores.
for _, store := range newTestStores(4, "2.0.0") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
re.NoError(cluster.RemoveStore(2, false))
// should be failed since no enough store to accommodate the extra replica.
err = cluster.RemoveStore(3, false)
re.Contains(err.Error(), string(errs.ErrStoresNotEnough.RFCCode()))
re.Error(cluster.RemoveStore(3, false))
// should be success since physically-destroyed is true.
re.NoError(cluster.RemoveStore(3, true))
}
func addEvictLeaderScheduler(cluster *RaftCluster, storeID uint64) (evictScheduler schedulers.Scheduler, err error) {
args := []string{fmt.Sprintf("%d", storeID)}
evictScheduler, err = schedulers.CreateScheduler(schedulers.EvictLeaderType, cluster.GetOperatorController(), cluster.storage, schedulers.ConfigSliceDecoder(schedulers.EvictLeaderType, args), cluster.GetCoordinator().GetSchedulersController().RemoveScheduler)
if err != nil {
return
}
if err = cluster.AddScheduler(evictScheduler, args...); err != nil {
return
} else if err = cluster.opt.Persist(cluster.GetStorage()); err != nil {
return
}
return
}
func TestSetOfflineStoreWithEvictLeader(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
opt.SetMaxReplicas(1)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
// Put 3 stores.
for _, store := range newTestStores(3, "2.0.0") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
_, err = addEvictLeaderScheduler(cluster, 1)
re.NoError(err)
re.NoError(cluster.RemoveStore(2, false))
// should be failed since there is only 1 store left and it is the evict-leader store.
err = cluster.RemoveStore(3, false)
re.Error(err)
re.Contains(err.Error(), string(errs.ErrNoStoreForRegionLeader.RFCCode()))
re.NoError(cluster.RemoveScheduler(schedulers.EvictLeaderName))
re.NoError(cluster.RemoveStore(3, false))
}
func TestForceBuryStore(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
// Put 2 stores.
stores := newTestStores(2, "5.3.0")
stores[1] = stores[1].Clone(core.SetLastHeartbeatTS(time.Now()))
for _, store := range stores {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
re.NoError(cluster.BuryStore(uint64(1), true))
re.Error(cluster.BuryStore(uint64(2), true))
re.True(errors.ErrorEqual(cluster.BuryStore(uint64(3), true), errs.ErrStoreNotFound.FastGenByArgs(uint64(3))))
}
func TestReuseAddress(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
// Put 4 stores.
for _, store := range newTestStores(4, "2.0.0") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
// store 1: up
// store 2: offline
re.NoError(cluster.RemoveStore(2, false))
// store 3: offline and physically destroyed
re.NoError(cluster.RemoveStore(3, true))
// store 4: tombstone
re.NoError(cluster.RemoveStore(4, true))
re.NoError(cluster.BuryStore(4, false))
for id := uint64(1); id <= 4; id++ {
storeInfo := cluster.GetStore(id)
storeID := storeInfo.GetID() + 1000
newStore := &metapb.Store{
Id: storeID,
Address: storeInfo.GetAddress(),
State: metapb.StoreState_Up,
Version: storeInfo.GetVersion(),
DeployPath: getTestDeployPath(storeID),
}
if storeInfo.IsPhysicallyDestroyed() || storeInfo.IsRemoved() {
// try to start a new store with the same address with store which is physically destroyed or tombstone should be success
re.NoError(cluster.PutMetaStore(newStore))
} else {
re.Error(cluster.PutMetaStore(newStore))
}
}
}
func getTestDeployPath(storeID uint64) string {
return fmt.Sprintf("test/store%d", storeID)
}
func TestUpStore(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
cluster.ruleManager = placement.NewRuleManager(ctx, storage.NewStorageWithMemoryBackend(), cluster, cluster.GetOpts())
if opt.IsPlacementRulesEnabled() {
err := cluster.ruleManager.Initialize(opt.GetMaxReplicas(), opt.GetLocationLabels(), opt.GetIsolationLevel())
if err != nil {
panic(err)
}
}
// Put 5 stores.
for _, store := range newTestStores(5, "5.0.0") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
// set store 1 offline
re.NoError(cluster.RemoveStore(1, false))
// up a offline store should be success.
re.NoError(cluster.UpStore(1))
// set store 2 offline and physically destroyed
re.NoError(cluster.RemoveStore(2, true))
re.Error(cluster.UpStore(2))
// bury store 2
cluster.checkStores()
// store is tombstone
err = cluster.UpStore(2)
re.True(errors.ErrorEqual(err, errs.ErrStoreRemoved.FastGenByArgs(2)))
// store 3 is up
re.NoError(cluster.UpStore(3))
// store 4 not exist
err = cluster.UpStore(10)
re.True(errors.ErrorEqual(err, errs.ErrStoreNotFound.FastGenByArgs(4)))
}
func TestRemovingProcess(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
cluster.SetPrepared()
// Put 5 stores.
stores := newTestStores(5, "5.0.0")
for _, store := range stores {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
regions := newTestRegions(100, 5, 1)
var regionInStore1 []*core.RegionInfo
for _, region := range regions {
if region.GetPeers()[0].GetStoreId() == 1 {
region = region.Clone(core.SetApproximateSize(100))
regionInStore1 = append(regionInStore1, region)
}
re.NoError(cluster.putRegion(region))
}
re.Len(regionInStore1, 20)
cluster.progressManager = progress.NewManager()
cluster.RemoveStore(1, false)
cluster.checkStores()
process := "removing-1"
// no region moving
p, l, cs, err := cluster.progressManager.Status(process)
re.NoError(err)
re.Equal(0.0, p)
re.Equal(math.MaxFloat64, l)
re.Equal(0.0, cs)
i := 0
// simulate region moving by deleting region from store 1
for _, region := range regionInStore1 {
if i >= 5 {
break
}
cluster.RemoveRegionIfExist(region.GetID())
i++
}
cluster.checkStores()
p, l, cs, err = cluster.progressManager.Status(process)
re.NoError(err)
// In above we delete 5 region from store 1, the total count of region in store 1 is 20.
// process = 5 / 20 = 0.25
re.Equal(0.25, p)
// Each region is 100MB, we use more than 1s to move 5 region.
// speed = 5 * 100MB / 20s = 25MB/s
re.Equal(25.0, cs)
// left second = 15 * 100MB / 25s = 60s
re.Equal(60.0, l)
}
func TestDeleteStoreUpdatesClusterVersion(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
cluster.ruleManager = placement.NewRuleManager(ctx, storage.NewStorageWithMemoryBackend(), cluster, cluster.GetOpts())
if opt.IsPlacementRulesEnabled() {
err := cluster.ruleManager.Initialize(opt.GetMaxReplicas(), opt.GetLocationLabels(), opt.GetIsolationLevel())
if err != nil {
panic(err)
}
}
// Put 3 new 4.0.9 stores.
for _, store := range newTestStores(3, "4.0.9") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
re.Equal("4.0.9", cluster.GetClusterVersion())
// Upgrade 2 stores to 5.0.0.
for _, store := range newTestStores(2, "5.0.0") {
re.NoError(cluster.PutMetaStore(store.GetMeta()))
}
re.Equal("4.0.9", cluster.GetClusterVersion())
// Bury the other store.
re.NoError(cluster.RemoveStore(3, true))
cluster.checkStores()
re.Equal("5.0.0", cluster.GetClusterVersion())
}
func TestStoreClusterVersion(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
stores := newTestStores(3, "5.0.0")
s1, s2, s3 := stores[0].GetMeta(), stores[1].GetMeta(), stores[2].GetMeta()
s1.Version = "5.0.1"
s2.Version = "5.0.3"
s3.Version = "5.0.5"
re.NoError(cluster.PutMetaStore(s2))
re.Equal(s2.Version, cluster.GetClusterVersion())
re.NoError(cluster.PutMetaStore(s1))
// the cluster version should be 5.0.1(the min one)
re.Equal(s1.Version, cluster.GetClusterVersion())
re.NoError(cluster.PutMetaStore(s3))
// the cluster version should be 5.0.1(the min one)
re.Equal(s1.Version, cluster.GetClusterVersion())
}
func TestRegionHeartbeatHotStat(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
newTestStores(4, "2.0.0")
peers := []*metapb.Peer{
{
Id: 1,
StoreId: 1,
},
{
Id: 2,
StoreId: 2,
},
{
Id: 3,
StoreId: 3,
},
}
leader := &metapb.Peer{
Id: 1,
StoreId: 1,
}
regionMeta := &metapb.Region{
Id: 1,
Peers: peers,
StartKey: []byte{byte(1)},
EndKey: []byte{byte(1 + 1)},
RegionEpoch: &metapb.RegionEpoch{ConfVer: 2, Version: 2},
}
region := core.NewRegionInfo(regionMeta, leader, core.WithInterval(&pdpb.TimeInterval{StartTimestamp: 0, EndTimestamp: utils.RegionHeartBeatReportInterval}),
core.SetWrittenBytes(30000*10),
core.SetWrittenKeys(300000*10))
err = cluster.processRegionHeartbeat(core.ContextTODO(), region)
re.NoError(err)
// wait HotStat to update items
time.Sleep(time.Second)
stats := cluster.hotStat.RegionStats(utils.Write, 0)
re.Len(stats[1], 1)
re.Len(stats[2], 1)
re.Len(stats[3], 1)
newPeer := &metapb.Peer{
Id: 4,
StoreId: 4,
}
region = region.Clone(core.WithRemoveStorePeer(2), core.WithAddPeer(newPeer))
err = cluster.processRegionHeartbeat(core.ContextTODO(), region)
re.NoError(err)
// wait HotStat to update items
time.Sleep(time.Second)
stats = cluster.hotStat.RegionStats(utils.Write, 0)
re.Len(stats[1], 1)
re.Empty(stats[2])
re.Len(stats[3], 1)
re.Len(stats[4], 1)
}
func TestBucketHeartbeat(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
// case1: region is not exist
buckets := &metapb.Buckets{
RegionId: 1,
Version: 1,
Keys: [][]byte{{'1'}, {'2'}},
}
re.Error(cluster.processReportBuckets(buckets))
// case2: bucket can be processed after the region update.
stores := newTestStores(3, "2.0.0")
n, np := uint64(2), uint64(2)
regions := newTestRegions(n, n, np)
for _, store := range stores {
re.NoError(cluster.setStore(store))
}
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), regions[0]))
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), regions[1]))
re.Nil(cluster.GetRegion(uint64(1)).GetBuckets())
re.NoError(cluster.processReportBuckets(buckets))
re.Equal(buckets, cluster.GetRegion(uint64(1)).GetBuckets())
// case3: the bucket version is same.
re.NoError(cluster.processReportBuckets(buckets))
// case4: the bucket version is changed.
newBuckets := &metapb.Buckets{
RegionId: 1,
Version: 3,
Keys: [][]byte{{'1'}, {'2'}},
}
re.NoError(cluster.processReportBuckets(newBuckets))
re.Equal(newBuckets, cluster.GetRegion(uint64(1)).GetBuckets())
// case5: region update should inherit buckets.
newRegion := regions[1].Clone(core.WithIncConfVer(), core.SetBuckets(nil))
opt.SetRegionBucketEnabled(true)
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), newRegion))
re.Len(cluster.GetRegion(uint64(1)).GetBuckets().GetKeys(), 2)
// case6: disable region bucket in
opt.SetRegionBucketEnabled(false)
newRegion2 := regions[1].Clone(core.WithIncConfVer(), core.SetBuckets(nil))
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), newRegion2))
re.Nil(cluster.GetRegion(uint64(1)).GetBuckets())
re.Empty(cluster.GetRegion(uint64(1)).GetBuckets().GetKeys())
}
func TestRegionHeartbeat(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
n, np := uint64(3), uint64(3)
cluster.wg.Add(1)
go cluster.runUpdateStoreStats()
stores := newTestStores(3, "2.0.0")
regions := newTestRegions(n, n, np)
for _, store := range stores {
re.NoError(cluster.setStore(store))
}
for i, region := range regions {
// region does not exist.
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// region is the same, not updated.
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
origin := region
// region is updated.
region = origin.Clone(core.WithIncVersion())
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// region is stale (Version).
stale := origin.Clone(core.WithIncConfVer())
re.Error(cluster.processRegionHeartbeat(core.ContextTODO(), stale))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// region is updated
region = origin.Clone(
core.WithIncVersion(),
core.WithIncConfVer(),
)
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// region is stale (ConfVer).
stale = origin.Clone(core.WithIncConfVer())
re.Error(cluster.processRegionHeartbeat(core.ContextTODO(), stale))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// Add a down peer.
region = region.Clone(core.WithDownPeers([]*pdpb.PeerStats{
{
Peer: region.GetPeers()[rand.Intn(len(region.GetPeers()))],
DownSeconds: 42,
},
}))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Add a pending peer.
region = region.Clone(core.WithPendingPeers([]*metapb.Peer{region.GetPeers()[rand.Intn(len(region.GetPeers()))]}))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Clear down peers.
region = region.Clone(core.WithDownPeers(nil))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Clear pending peers.
region = region.Clone(core.WithPendingPeers(nil))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Remove peers.
origin = region
region = origin.Clone(core.SetPeers(region.GetPeers()[:1]))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// Add peers.
region = origin
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
checkRegionsKV(re, cluster.storage, regions[:i+1])
// Change one peer to witness
region = region.Clone(
core.WithWitnesses([]*metapb.Peer{region.GetPeers()[rand.Intn(len(region.GetPeers()))]}),
core.WithIncConfVer(),
)
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Change leader.
region = region.Clone(core.WithLeader(region.GetPeers()[1]))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Change ApproximateSize.
region = region.Clone(core.SetApproximateSize(144))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Change ApproximateKeys.
region = region.Clone(core.SetApproximateKeys(144000))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Change bytes written.
region = region.Clone(core.SetWrittenBytes(24000))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Change bytes read.
region = region.Clone(core.SetReadBytes(1080000))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
// Flashback
region = region.Clone(core.WithFlashback(true, 1))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
region = region.Clone(core.WithFlashback(false, 0))
regions[i] = region
re.NoError(cluster.processRegionHeartbeat(core.ContextTODO(), region))
checkRegions(re, cluster.BasicCluster, regions[:i+1])
}
regionCounts := make(map[uint64]int)
for _, region := range regions {
for _, peer := range region.GetPeers() {
regionCounts[peer.GetStoreId()]++
}
}
for id, count := range regionCounts {
re.Equal(count, cluster.GetStoreRegionCount(id))
}
for _, region := range cluster.GetRegions() {
checkRegion(re, region, regions[region.GetID()])
}
for _, region := range cluster.GetMetaRegions() {
re.Equal(regions[region.GetId()].GetMeta(), region)
}
for _, region := range regions {
for _, store := range cluster.GetRegionStores(region) {
re.NotNil(region.GetStorePeer(store.GetID()))
}
for _, store := range cluster.GetFollowerStores(region) {
peer := region.GetStorePeer(store.GetID())
re.NotEqual(region.GetLeader().GetId(), peer.GetId())
}
}
time.Sleep(50 * time.Millisecond)
for _, store := range cluster.GetStores() {
re.Equal(cluster.GetStoreLeaderCount(store.GetID()), store.GetLeaderCount())
re.Equal(cluster.GetStoreRegionCount(store.GetID()), store.GetRegionCount())
re.Equal(cluster.GetStoreLeaderRegionSize(store.GetID()), store.GetLeaderSize())
re.Equal(cluster.GetStoreRegionSize(store.GetID()), store.GetRegionSize())
}
// Test with storage.
if storage := cluster.storage; storage != nil {
for _, region := range regions {
tmp := &metapb.Region{}
ok, err := storage.LoadRegion(region.GetID(), tmp)
re.True(ok)
re.NoError(err)
re.Equal(region.GetMeta(), tmp)
}
// Check overlap with stale version
overlapRegion := regions[n-1].Clone(
core.WithStartKey([]byte("")),
core.WithEndKey([]byte("")),
core.WithNewRegionID(10000),
core.WithDecVersion(),
)
re.Error(cluster.processRegionHeartbeat(core.ContextTODO(), overlapRegion))
region := &metapb.Region{}
ok, err := storage.LoadRegion(regions[n-1].GetID(), region)
re.True(ok)
re.NoError(err)
re.Equal(regions[n-1].GetMeta(), region)
ok, err = storage.LoadRegion(regions[n-2].GetID(), region)
re.True(ok)
re.NoError(err)
re.Equal(regions[n-2].GetMeta(), region)
ok, err = storage.LoadRegion(overlapRegion.GetID(), region)
re.False(ok)
re.NoError(err)
// Check overlap
rm := cluster.GetRuleManager()
rm.SetPlaceholderRegionFitCache(regions[n-1])
rm.SetPlaceholderRegionFitCache(regions[n-2])
re.True(rm.CheckIsCachedDirectly(regions[n-1].GetID()))
re.True(rm.CheckIsCachedDirectly(regions[n-2].GetID()))
overlapRegion = regions[n-1].Clone(
core.WithStartKey(regions[n-2].GetStartKey()),
core.WithNewRegionID(regions[n-1].GetID()+1),
)
tracer := core.NewHeartbeatProcessTracer()
tracer.Begin()
ctx := core.ContextTODO()
ctx.Tracer = tracer
re.NoError(cluster.processRegionHeartbeat(ctx, overlapRegion))
tracer.OnAllStageFinished()
re.Condition(func() bool {
fileds := tracer.LogFields()
return slice.AllOf(fileds, func(i int) bool { return fileds[i].Integer > 0 })
}, "should have stats")
region = &metapb.Region{}
ok, err = storage.LoadRegion(regions[n-1].GetID(), region)
re.False(ok)
re.NoError(err)
re.False(rm.CheckIsCachedDirectly(regions[n-1].GetID()))
ok, err = storage.LoadRegion(regions[n-2].GetID(), region)
re.False(ok)
re.NoError(err)
re.False(rm.CheckIsCachedDirectly(regions[n-2].GetID()))
ok, err = storage.LoadRegion(overlapRegion.GetID(), region)
re.True(ok)
re.NoError(err)
re.Equal(overlapRegion.GetMeta(), region)
}
}
func TestRegionFlowChanged(t *testing.T) {
re := require.New(t)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, opt, err := newTestScheduleConfig()
re.NoError(err)
cluster := newTestRaftCluster(ctx, mockid.NewIDAllocator(), opt, storage.NewStorageWithMemoryBackend())
cluster.coordinator = schedule.NewCoordinator(ctx, cluster, nil)
regions := []*core.RegionInfo{core.NewTestRegionInfo(1, 1, []byte{}, []byte{})}
processRegions := func(regions []*core.RegionInfo) {
for _, r := range regions {
mctx := core.ContextTODO()
mctx.Context = ctx
cluster.processRegionHeartbeat(mctx, r)
}
}
regions = core.SplitRegions(regions)
processRegions(regions)
// update region
region := regions[0]
regions[0] = region.Clone(core.SetReadBytes(1000))
processRegions(regions)
newRegion := cluster.GetRegion(region.GetID())
re.Equal(uint64(1000), newRegion.GetBytesRead())
}
func TestRegionSizeChanged(t *testing.T) {
re := require.New(t)