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simulator: add case about import data (#1263)
Signed-off-by: nolouch <nolouch@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| // Copyright 2018 PingCAP, Inc. | ||
| // | ||
| // 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, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cases | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "fmt" | ||
| "math/rand" | ||
|
|
||
| "github.com/pingcap/kvproto/pkg/metapb" | ||
| "github.com/pingcap/pd/server/core" | ||
| "github.com/pingcap/pd/table" | ||
| "github.com/pingcap/pd/tools/pd-simulator/simulator/simutil" | ||
| ) | ||
|
|
||
| func newImportData() *Case { | ||
| var simCase Case | ||
| // Initialize the cluster | ||
| for i := 1; i <= 10; i++ { | ||
| simCase.Stores = append(simCase.Stores, &Store{ | ||
| ID: IDAllocator.nextID(), | ||
| Status: metapb.StoreState_Up, | ||
| Capacity: 1 * TB, | ||
| Available: 900 * GB, | ||
| Version: "2.1.0", | ||
| }) | ||
| } | ||
|
|
||
| storeIDs := rand.Perm(3) | ||
| for i := 0; i < 40; i++ { | ||
| peers := []*metapb.Peer{ | ||
| {Id: IDAllocator.nextID(), StoreId: uint64(storeIDs[0] + 1)}, | ||
| {Id: IDAllocator.nextID(), StoreId: uint64(storeIDs[1] + 1)}, | ||
| {Id: IDAllocator.nextID(), StoreId: uint64(storeIDs[2] + 1)}, | ||
| } | ||
| simCase.Regions = append(simCase.Regions, Region{ | ||
| ID: IDAllocator.nextID(), | ||
| Peers: peers, | ||
| Leader: peers[0], | ||
| Size: 32 * MB, | ||
| Keys: 320000, | ||
| }) | ||
| } | ||
|
|
||
| simCase.RegionSplitSize = 64 * MB | ||
| simCase.RegionSplitKeys = 640000 | ||
| simCase.TableNumber = 10 | ||
| // Events description | ||
| e := &WriteFlowOnSpotDescriptor{} | ||
| table2 := string(table.EncodeBytes(table.GenerateTableKey(2))) | ||
| table3 := string(table.EncodeBytes(table.GenerateTableKey(3))) | ||
| table5 := string(table.EncodeBytes(table.GenerateTableKey(5))) | ||
| e.Step = func(tick int64) map[string]int64 { | ||
| if tick < 100 { | ||
| return map[string]int64{ | ||
| table3: 4 * MB, | ||
| table5: 32 * MB, | ||
| } | ||
| } | ||
| return map[string]int64{ | ||
| table2: 2 * MB, | ||
| table3: 4 * MB, | ||
| table5: 16 * MB, | ||
| } | ||
| } | ||
| simCase.Events = []EventDescriptor{e} | ||
|
|
||
| // Checker description | ||
| simCase.Checker = func(regions *core.RegionsInfo) bool { | ||
| leaderDist := make(map[uint64]int) | ||
| peerDist := make(map[uint64]int) | ||
| leaderTotal := 0 | ||
| peerTotal := 0 | ||
| res := make([]*core.RegionInfo, 0, 100) | ||
| regions.ScanRangeWithIterator([]byte(table2), func(region *metapb.Region) bool { | ||
| if bytes.Compare(region.EndKey, []byte(table3)) < 0 { | ||
| res = append(res, regions.GetRegion(region.GetId())) | ||
| return true | ||
| } | ||
| return false | ||
| }) | ||
|
|
||
| for _, r := range res { | ||
| leaderTotal++ | ||
| leaderDist[r.GetLeader().GetStoreId()]++ | ||
| for _, p := range r.GetPeers() { | ||
| peerDist[p.GetStoreId()]++ | ||
| peerTotal++ | ||
| } | ||
| } | ||
| if leaderTotal == 0 || peerTotal == 0 { | ||
| return false | ||
| } | ||
| tableLeaderLog := fmt.Sprintf("%d leader:", leaderTotal) | ||
| tablePeerLog := fmt.Sprintf("%d peer: ", peerTotal) | ||
| for storeID := 1; storeID <= 10; storeID++ { | ||
| if leaderCount, ok := leaderDist[uint64(storeID)]; ok { | ||
| tableLeaderLog = fmt.Sprintf("%s [store %d]:%.2f%%", tableLeaderLog, storeID, float64(leaderCount)/float64(leaderTotal)*100) | ||
| } | ||
| } | ||
| for storeID := 1; storeID <= 10; storeID++ { | ||
| if peerCount, ok := peerDist[uint64(storeID)]; ok { | ||
| tablePeerLog = fmt.Sprintf("%s [store %d]:%.2f%%", tablePeerLog, storeID, float64(peerCount)/float64(peerTotal)*100) | ||
| } | ||
| } | ||
| regionTotal := regions.GetRegionCount() | ||
| totalLeaderLog := fmt.Sprintf("%d leader:", regionTotal) | ||
| totalPeerLog := fmt.Sprintf("%d peer:", regionTotal*3) | ||
| isEnd := true | ||
| for storeID := uint64(1); storeID <= 10; storeID++ { | ||
| regions.GetStoreRegionCount(uint64(storeID)) | ||
| totalLeaderLog = fmt.Sprintf("%s [store %d]:%.2f%%", totalLeaderLog, storeID, float64(regions.GetStoreLeaderCount(storeID))/float64(regionTotal)*100) | ||
| regionProp := float64(regions.GetStoreRegionCount(storeID)) / float64(regionTotal*3) * 100 | ||
| if regionProp > 13.8 { | ||
| isEnd = false | ||
| } | ||
| totalPeerLog = fmt.Sprintf("%s [store %d]:%.2f%%", totalPeerLog, storeID, regionProp) | ||
| } | ||
| simutil.Logger.Infof(` | ||
| ******* table 2 ******* | ||
| %s | ||
| %s | ||
| ******* global ******* | ||
| %s | ||
| %s | ||
| `, tableLeaderLog, tablePeerLog, totalLeaderLog, totalPeerLog) | ||
| return isEnd | ||
| } | ||
| return &simCase | ||
| } |
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