Golang tsdb.NewShard函数代码示例

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本文整理汇总了Golang中github.com/influxdb/influxdb/tsdb.NewShard函数的典型用法代码示例。如果您正苦于以下问题：Golang NewShard函数的具体用法？Golang NewShard怎么用？Golang NewShard使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了NewShard函数的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: benchmarkWritePoints

// benchmarkWritePoints benchmarks writing new series to a shard.
// mCnt - measurement count
// tkCnt - tag key count
// tvCnt - tag value count (values per tag)
// pntCnt - points per series.  # of series = mCnt * (tvCnt ^ tkCnt)
func benchmarkWritePoints(b *testing.B, mCnt, tkCnt, tvCnt, pntCnt int) {
	// Generate test series (measurements + unique tag sets).
	series := genTestSeries(mCnt, tkCnt, tvCnt)
	// Create index for the shard to use.
	index := tsdb.NewDatabaseIndex()
	// Generate point data to write to the shard.
	points := []tsdb.Point{}
	for _, s := range series {
		for val := 0.0; val < float64(pntCnt); val++ {
			p := tsdb.NewPoint(s.Measurement, s.Series.Tags, map[string]interface{}{"value": val}, time.Now())
			points = append(points, p)
		}
	}

	// Stop & reset timers and mem-stats before the main benchmark loop.
	b.StopTimer()
	b.ResetTimer()

	// Run the benchmark loop.
	for n := 0; n < b.N; n++ {
		tmpDir, _ := ioutil.TempDir("", "shard_test")
		tmpShard := path.Join(tmpDir, "shard")
		shard := tsdb.NewShard(1, index, tmpShard, tsdb.NewEngineOptions())
		shard.Open()

		b.StartTimer()
		// Call the function being benchmarked.
		chunkedWrite(shard, points)

		b.StopTimer()
		shard.Close()
		os.RemoveAll(tmpDir)
	}
}

开发者ID:nickscript0，项目名称:telegraf，代码行数:39，代码来源:shard_test.go

示例2: TestShardWriteAddNewField

func TestShardWriteAddNewField(t *testing.T) {
	tmpDir, _ := ioutil.TempDir("", "shard_test")
	defer os.RemoveAll(tmpDir)
	tmpShard := path.Join(tmpDir, "shard")
	tmpWal := path.Join(tmpDir, "wal")

	index := tsdb.NewDatabaseIndex()
	opts := tsdb.NewEngineOptions()
	opts.Config.WALDir = filepath.Join(tmpDir, "wal")

	sh := tsdb.NewShard(1, index, tmpShard, tmpWal, opts)
	if err := sh.Open(); err != nil {
		t.Fatalf("error openeing shard: %s", err.Error())
	}
	defer sh.Close()

	pt := tsdb.NewPoint(
		"cpu",
		map[string]string{"host": "server"},
		map[string]interface{}{"value": 1.0},
		time.Unix(1, 2),
	)

	err := sh.WritePoints([]tsdb.Point{pt})
	if err != nil {
		t.Fatalf(err.Error())
	}

	pt = tsdb.NewPoint(
		"cpu",
		map[string]string{"host": "server"},
		map[string]interface{}{"value": 1.0, "value2": 2.0},
		time.Unix(1, 2),
	)

	err = sh.WritePoints([]tsdb.Point{pt})
	if err != nil {
		t.Fatalf(err.Error())
	}

	if !reflect.DeepEqual(index.Names(), []string{"cpu"}) {
		t.Fatalf("measurement names in shard didn't match")
	}
	if index.SeriesN() != 1 {
		t.Fatalf("series wasn't in index")
	}
	seriesTags := index.Series(string(pt.Key())).Tags
	if len(seriesTags) != len(pt.Tags()) || pt.Tags()["host"] != seriesTags["host"] {
		t.Fatalf("tags weren't properly saved to series index: %v, %v", pt.Tags(), seriesTags)
	}
	if !reflect.DeepEqual(index.Measurement("cpu").TagKeys(), []string{"host"}) {
		t.Fatalf("tag key wasn't saved to measurement index")
	}

	if len(index.Measurement("cpu").FieldNames()) != 2 {
		t.Fatalf("field names wasn't saved to measurement index")
	}

}

开发者ID:KoeSystems，项目名称:influxdb，代码行数:59，代码来源:shard_test.go

示例3: mustCreateShard

func mustCreateShard(dir string) *tsdb.Shard {
	tmpShard := path.Join(dir, "shard")
	index := tsdb.NewDatabaseIndex()
	sh := tsdb.NewShard(index, tmpShard, tsdb.NewEngineOptions())
	if err := sh.Open(); err != nil {
		panic(fmt.Sprintf("error opening shard: %s", err.Error()))
	}
	return sh
}

开发者ID:huasir，项目名称:influxdb，代码行数:9，代码来源:mapper_test.go

示例4: mustCreateShard

func mustCreateShard(dir string) *tsdb.Shard {
	tmpShard := path.Join(dir, "shard")
	tmpWal := path.Join(dir, "wal")
	index := tsdb.NewDatabaseIndex()
	opts := tsdb.NewEngineOptions()
	opts.Config.WALDir = filepath.Join(dir, "wal")
	sh := tsdb.NewShard(1, index, tmpShard, tmpWal, opts)
	if err := sh.Open(); err != nil {
		panic(fmt.Sprintf("error opening shard: %s", err.Error()))
	}
	return sh
}

开发者ID:KoeSystems，项目名称:influxdb，代码行数:12，代码来源:mapper_test.go

示例5: MustOpenShard

// MustOpenShard returns a temporary, opened shard.
func MustOpenShard(id uint64) *Shard {
	path, err := ioutil.TempDir("", "copier-")
	if err != nil {
		panic(err)
	}

	sh := &Shard{
		Shard: tsdb.NewShard(id,
			tsdb.NewDatabaseIndex(),
			filepath.Join(path, "data"),
			filepath.Join(path, "wal"),
			tsdb.NewEngineOptions(),
		),
		path: path,
	}
	if err := sh.Open(); err != nil {
		sh.Close()
		panic(err)
	}

	return sh
}

开发者ID:nooproblem，项目名称:influxdb，代码行数:23，代码来源:service_test.go

示例6: TestShard_Autoflush_FlushInterval

// Ensure the shard will automatically flush the WAL after a threshold has been reached.
func TestShard_Autoflush_FlushInterval(t *testing.T) {
	path, _ := ioutil.TempDir("", "shard_test")
	defer os.RemoveAll(path)

	// Open shard with a high size threshold, small time threshold.
	sh := tsdb.NewShard(1, tsdb.NewDatabaseIndex(), filepath.Join(path, "shard"), tsdb.EngineOptions{
		EngineVersion:          b1.Format,
		MaxWALSize:             10 * 1024 * 1024, // 10MB
		WALFlushInterval:       100 * time.Millisecond,
		WALPartitionFlushDelay: 1 * time.Millisecond,
	})
	if err := sh.Open(); err != nil {
		t.Fatal(err)
	}
	defer sh.Close()

	// Write some points.
	for i := 0; i < 100; i++ {
		if err := sh.WritePoints([]tsdb.Point{tsdb.NewPoint(
			fmt.Sprintf("cpu%d", i),
			map[string]string{"host": "server"},
			map[string]interface{}{"value": 1.0},
			time.Unix(1, 2),
		)}); err != nil {
			t.Fatal(err)
		}
	}

	// Wait for time-based flush.
	time.Sleep(100 * time.Millisecond)

	// Make sure we have series buckets created outside the WAL.
	if n, err := sh.SeriesCount(); err != nil {
		t.Fatal(err)
	} else if n < 10 {
		t.Fatalf("not enough series, expected at least 10, got %d", n)
	}
}

开发者ID:nickscript0，项目名称:telegraf，代码行数:39，代码来源:shard_test.go

示例7: TestShardWriteAndIndex

func TestShardWriteAndIndex(t *testing.T) {
	tmpDir, _ := ioutil.TempDir("", "shard_test")
	defer os.RemoveAll(tmpDir)
	tmpShard := path.Join(tmpDir, "shard")

	index := tsdb.NewDatabaseIndex()
	opts := tsdb.NewEngineOptions()
	opts.Config.WALDir = filepath.Join(tmpDir, "wal")

	sh := tsdb.NewShard(1, index, tmpShard, opts)
	if err := sh.Open(); err != nil {
		t.Fatalf("error openeing shard: %s", err.Error())
	}

	pt := tsdb.NewPoint(
		"cpu",
		map[string]string{"host": "server"},
		map[string]interface{}{"value": 1.0},
		time.Unix(1, 2),
	)

	err := sh.WritePoints([]tsdb.Point{pt})
	if err != nil {
		t.Fatalf(err.Error())
	}

	pt.SetTime(time.Unix(2, 3))
	err = sh.WritePoints([]tsdb.Point{pt})
	if err != nil {
		t.Fatalf(err.Error())
	}

	validateIndex := func() {
		if !reflect.DeepEqual(index.Names(), []string{"cpu"}) {
			t.Fatalf("measurement names in shard didn't match")
		}
		if index.SeriesN() != 1 {
			t.Fatalf("series wasn't in index")
		}

		seriesTags := index.Series(string(pt.Key())).Tags
		if len(seriesTags) != len(pt.Tags()) || pt.Tags()["host"] != seriesTags["host"] {
			t.Fatalf("tags weren't properly saved to series index: %v, %v", pt.Tags(), seriesTags)
		}
		if !reflect.DeepEqual(index.Measurement("cpu").TagKeys(), []string{"host"}) {
			t.Fatalf("tag key wasn't saved to measurement index")
		}
	}

	validateIndex()

	// ensure the index gets loaded after closing and opening the shard
	sh.Close()

	index = tsdb.NewDatabaseIndex()
	sh = tsdb.NewShard(1, index, tmpShard, opts)
	if err := sh.Open(); err != nil {
		t.Fatalf("error openeing shard: %s", err.Error())
	}

	validateIndex()

	// and ensure that we can still write data
	pt.SetTime(time.Unix(2, 6))
	err = sh.WritePoints([]tsdb.Point{pt})
	if err != nil {
		t.Fatalf(err.Error())
	}
}

开发者ID:nickscript0，项目名称:telegraf，代码行数:69，代码来源:shard_test.go

注：本文中的github.com/influxdb/influxdb/tsdb.NewShard函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。