-
Notifications
You must be signed in to change notification settings - Fork 26
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
4 changed files
with
179 additions
and
19 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| // Copyright 2020 PingCAP, Inc. Licensed under Apache-2.0. | ||
|
|
||
| package restore | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/jarcoal/httpmock" | ||
| "github.com/pingcap/kvproto/pkg/import_sstpb" | ||
| "github.com/pingcap/kvproto/pkg/kvrpcpb" | ||
| "github.com/pingcap/kvproto/pkg/metapb" | ||
| "github.com/stretchr/testify/require" | ||
| pd "github.com/tikv/pd/client" | ||
| "google.golang.org/grpc/keepalive" | ||
| ) | ||
|
|
||
| var defaultKeepaliveCfg = keepalive.ClientParameters{ | ||
| Time: 3 * time.Second, | ||
| Timeout: 10 * time.Second, | ||
| } | ||
|
|
||
| type fakePDClient struct { | ||
| pd.Client | ||
| stores []*metapb.Store | ||
| } | ||
|
|
||
| func (fpdc fakePDClient) GetAllStores(context.Context, ...pd.GetStoreOption) ([]*metapb.Store, error) { | ||
| return append([]*metapb.Store{}, fpdc.stores...), nil | ||
| } | ||
|
|
||
| // Mock ImporterClient interface | ||
| type FakeImporterClient struct { | ||
| ImporterClient | ||
| } | ||
|
|
||
| // Record the stores that have communicated | ||
| type RecordStores struct { | ||
| mu sync.Mutex | ||
| stores map[uint64]uint64 | ||
| } | ||
|
|
||
| func NewRecordStores() RecordStores { | ||
| return RecordStores{stores: make(map[uint64]uint64, 0)} | ||
| } | ||
|
|
||
| func (r *RecordStores) put(id uint64, rateLimit uint64) { | ||
| r.mu.Lock() | ||
| defer r.mu.Unlock() | ||
| r.stores[id] = rateLimit | ||
| } | ||
|
|
||
| func (r *RecordStores) len() int { | ||
| r.mu.Lock() | ||
| defer r.mu.Unlock() | ||
| return len(r.stores) | ||
| } | ||
|
|
||
| func (r *RecordStores) get(id uint64) uint64 { | ||
| r.mu.Lock() | ||
| defer r.mu.Unlock() | ||
| return r.stores[id] | ||
| } | ||
|
|
||
| func (r *RecordStores) toString() string { | ||
| r.mu.Lock() | ||
| defer r.mu.Unlock() | ||
| return fmt.Sprintf("%v", r.stores) | ||
| } | ||
|
|
||
| var recordStores RecordStores | ||
|
|
||
| const workingTime = 10 | ||
|
|
||
| func (fakeImportCli FakeImporterClient) SetDownloadSpeedLimit( | ||
| ctx context.Context, | ||
| storeID uint64, | ||
| req *import_sstpb.SetDownloadSpeedLimitRequest, | ||
| ) (*import_sstpb.SetDownloadSpeedLimitResponse, error) { | ||
| time.Sleep(workingTime * time.Millisecond) // simulate doing 100 ms work | ||
| recordStores.put(storeID, req.SpeedLimit) | ||
| return nil, nil | ||
| } | ||
|
|
||
| func TestSetSpeedLimit(t *testing.T) { | ||
| mockStores := []*metapb.Store{ | ||
| {Id: 1}, | ||
| {Id: 2}, | ||
| {Id: 3}, | ||
| {Id: 4}, | ||
| {Id: 5}, | ||
| {Id: 6}, | ||
| {Id: 7}, | ||
| {Id: 8}, | ||
| {Id: 9}, | ||
| {Id: 10}, | ||
| } | ||
| httpmock.Activate() | ||
| defer httpmock.DeactivateAndReset() | ||
| // Exact URL match | ||
| httpmock.RegisterResponder("GET", `=~^/config`, | ||
| httpmock.NewStringResponder(200, `{"storage":{"api-version":2, "enable-ttl":true}}`)) | ||
| // 1. The cost of concurrent communication is expected to be less than the cost of serial communication. | ||
| client, err := NewRestoreClient(fakePDClient{ | ||
| stores: mockStores, | ||
| }, nil, defaultKeepaliveCfg, true) | ||
| require.NoError(t, err) | ||
| client.fileImporter = NewFileImporter(nil, FakeImporterClient{}, nil, true, kvrpcpb.APIVersion_V2) | ||
| ctx := context.Background() | ||
|
|
||
| rateLimit := uint64(10) | ||
| recordStores = NewRecordStores() | ||
| start := time.Now() | ||
| err = client.setSpeedLimit(ctx, rateLimit) | ||
| cost := time.Since(start) | ||
| require.NoError(t, err) | ||
|
|
||
| t.Logf("Total Cost: %v\n", cost) | ||
| t.Logf("Has Communicated: %v\n", recordStores.toString()) | ||
|
|
||
| serialCost := time.Duration(len(mockStores)*workingTime) * time.Millisecond | ||
| require.LessOrEqual(t, serialCost, cost) | ||
| require.Equal(t, len(mockStores), recordStores.len()) | ||
| for i := 0; i < len(mockStores); i++ { | ||
| require.Equal(t, rateLimit, recordStores.get(mockStores[i].Id)) | ||
| } | ||
|
|
||
| recordStores = NewRecordStores() | ||
| start = time.Now() | ||
| client.resetSpeedLimit(ctx) | ||
| cost = time.Since(start) | ||
| require.LessOrEqual(t, serialCost, cost) | ||
| require.Equal(t, len(mockStores), recordStores.len()) | ||
| for i := 0; i < len(mockStores); i++ { | ||
| require.Equal(t, uint64(0), recordStores.get(mockStores[i].Id)) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters