Use FastFingerprint where appropriate.

storage/local/persistence_test.go

@@ -50,9 +50,9 @@ func newTestPersistence(t *testing.T, encoding chunkEncoding) (*persistence, tes
 
 func buildTestChunks(encoding chunkEncoding) map[clientmodel.Fingerprint][]chunk {
 	fps := clientmodel.Fingerprints{
-		m1.Fingerprint(),
-		m2.Fingerprint(),
-		m3.Fingerprint(),
+		m1.FastFingerprint(),
+		m2.FastFingerprint(),
+		m3.FastFingerprint(),
 	}
 	fpToChunks := map[clientmodel.Fingerprint][]chunk{}
 
@@ -375,11 +375,11 @@ func testCheckpointAndLoadSeriesMapAndHeads(t *testing.T, encoding chunkEncoding
 	s5.persistWatermark = 3
 	chunkCountS4 := len(s4.chunkDescs)
 	chunkCountS5 := len(s5.chunkDescs)
-	sm.put(m1.Fingerprint(), s1)
-	sm.put(m2.Fingerprint(), s2)
-	sm.put(m3.Fingerprint(), s3)
-	sm.put(m4.Fingerprint(), s4)
-	sm.put(m5.Fingerprint(), s5)
+	sm.put(m1.FastFingerprint(), s1)
+	sm.put(m2.FastFingerprint(), s2)
+	sm.put(m3.FastFingerprint(), s3)
+	sm.put(m4.FastFingerprint(), s4)
+	sm.put(m5.FastFingerprint(), s5)
 
 	if err := p.checkpointSeriesMapAndHeads(sm, fpLocker); err != nil {
 		t.Fatal(err)
@@ -392,7 +392,7 @@ func testCheckpointAndLoadSeriesMapAndHeads(t *testing.T, encoding chunkEncoding
 	if loadedSM.length() != 4 {
 		t.Errorf("want 4 series in map, got %d", loadedSM.length())
 	}
-	if loadedS1, ok := loadedSM.get(m1.Fingerprint()); ok {
+	if loadedS1, ok := loadedSM.get(m1.FastFingerprint()); ok {
 		if !reflect.DeepEqual(loadedS1.metric, m1) {
 			t.Errorf("want metric %v, got %v", m1, loadedS1.metric)
 		}
@@ -408,7 +408,7 @@ func testCheckpointAndLoadSeriesMapAndHeads(t *testing.T, encoding chunkEncoding
 	} else {
 		t.Errorf("couldn't find %v in loaded map", m1)
 	}
-	if loadedS3, ok := loadedSM.get(m3.Fingerprint()); ok {
+	if loadedS3, ok := loadedSM.get(m3.FastFingerprint()); ok {
 		if !reflect.DeepEqual(loadedS3.metric, m3) {
 			t.Errorf("want metric %v, got %v", m3, loadedS3.metric)
 		}
@@ -424,7 +424,7 @@ func testCheckpointAndLoadSeriesMapAndHeads(t *testing.T, encoding chunkEncoding
 	} else {
 		t.Errorf("couldn't find %v in loaded map", m3)
 	}
-	if loadedS4, ok := loadedSM.get(m4.Fingerprint()); ok {
+	if loadedS4, ok := loadedSM.get(m4.FastFingerprint()); ok {
 		if !reflect.DeepEqual(loadedS4.metric, m4) {
 			t.Errorf("want metric %v, got %v", m4, loadedS4.metric)
 		}
@@ -449,7 +449,7 @@ func testCheckpointAndLoadSeriesMapAndHeads(t *testing.T, encoding chunkEncoding
 	} else {
 		t.Errorf("couldn't find %v in loaded map", m4)
 	}
-	if loadedS5, ok := loadedSM.get(m5.Fingerprint()); ok {
+	if loadedS5, ok := loadedSM.get(m5.FastFingerprint()); ok {
 		if !reflect.DeepEqual(loadedS5.metric, m5) {
 			t.Errorf("want metric %v, got %v", m5, loadedS5.metric)
 		}

storage/local/series.go

@@ -318,7 +318,7 @@ func (s *memorySeries) preloadChunks(indexes []int, mss *memorySeriesStorage) ([
 		if s.chunkDescsOffset == -1 {
 			panic("requested loading chunks from persistence in a situation where we must not have persisted data for chunk descriptors in memory")
 		}
-		fp := s.metric.Fingerprint()
+		fp := s.metric.FastFingerprint() // TODO(beorn): Handle collisions.
 		chunks, err := mss.loadChunks(fp, loadIndexes, s.chunkDescsOffset)
 		if err != nil {
 			// Unpin the chunks since we won't return them as pinned chunks now.

storage/local/storage.go

@@ -382,7 +382,7 @@ func (s *memorySeriesStorage) Append(sample *clientmodel.Sample) {
 		}
 		glog.Warning("Sample ingestion resumed.")
 	}
-	fp := sample.Metric.Fingerprint()
+	fp := sample.Metric.FastFingerprint() // TODO(beorn): Handle collisions.
 	s.fpLocker.Lock(fp)
 	series := s.getOrCreateSeries(fp, sample.Metric)
 	completedChunksCount := series.add(&metric.SamplePair{

storage/local/storage_test.go

@@ -46,7 +46,7 @@ func TestGetFingerprintsForLabelMatchers(t *testing.T) {
 			Timestamp: clientmodel.Timestamp(i),
 			Value:     clientmodel.SampleValue(i),
 		}
-		fingerprints[i] = metric.Fingerprint()
+		fingerprints[i] = metric.FastFingerprint()
 	}
 	for _, s := range samples {
 		storage.Append(s)
@@ -172,7 +172,7 @@ func TestLoop(t *testing.T) {
 		storage.Append(s)
 	}
 	storage.WaitForIndexing()
-	series, _ := storage.(*memorySeriesStorage).fpToSeries.get(clientmodel.Metric{}.Fingerprint())
+	series, _ := storage.(*memorySeriesStorage).fpToSeries.get(clientmodel.Metric{}.FastFingerprint())
 	cdsBefore := len(series.chunkDescs)
 	time.Sleep(fpMaxWaitDuration + time.Second) // TODO(beorn7): Ugh, need to wait for maintenance to kick in.
 	cdsAfter := len(series.chunkDescs)
@@ -251,7 +251,7 @@ func testGetValueAtTime(t *testing.T, encoding chunkEncoding) {
 	}
 	s.WaitForIndexing()
 
-	fp := clientmodel.Metric{}.Fingerprint()
+	fp := clientmodel.Metric{}.FastFingerprint()
 
 	it := s.NewIterator(fp)
 
@@ -344,7 +344,7 @@ func testGetRangeValues(t *testing.T, encoding chunkEncoding) {
 	}
 	s.WaitForIndexing()
 
-	fp := clientmodel.Metric{}.Fingerprint()
+	fp := clientmodel.Metric{}.FastFingerprint()
 
 	it := s.NewIterator(fp)
 
@@ -498,7 +498,7 @@ func testEvictAndPurgeSeries(t *testing.T, encoding chunkEncoding) {
 	}
 	s.WaitForIndexing()
 
-	fp := clientmodel.Metric{}.Fingerprint()
+	fp := clientmodel.Metric{}.FastFingerprint()
 
 	// Drop ~half of the chunks.
 	ms.maintainMemorySeries(fp, 1000)
@@ -896,7 +896,7 @@ func verifyStorage(t testing.TB, s Storage, samples clientmodel.Samples, maxAge
 			// retention period, we can verify here that no results
 			// are returned.
 		}
-		fp := sample.Metric.Fingerprint()
+		fp := sample.Metric.FastFingerprint()
 		p := s.NewPreloader()
 		p.PreloadRange(fp, sample.Timestamp, sample.Timestamp, time.Hour)
 		found := s.NewIterator(fp).GetValueAtTime(sample.Timestamp)