1163 lines
31 KiB
Go
1163 lines
31 KiB
Go
package tsdb_test
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"reflect"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/davecgh/go-spew/spew"
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"github.com/influxdata/influxdb/influxql"
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"github.com/influxdata/influxdb/models"
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"github.com/influxdata/influxdb/pkg/deep"
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"github.com/influxdata/influxdb/tsdb"
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_ "github.com/influxdata/influxdb/tsdb/engine"
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_ "github.com/influxdata/influxdb/tsdb/index"
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"github.com/influxdata/influxdb/tsdb/index/inmem"
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)
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func TestShardWriteAndIndex(t *testing.T) {
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "shard")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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// Calling WritePoints when the engine is not open will return
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// ErrEngineClosed.
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if got, exp := sh.WritePoints(nil), tsdb.ErrEngineClosed; got != exp {
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t.Fatalf("got %v, expected %v", got, exp)
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}
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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pt := models.MustNewPoint(
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"cpu",
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models.Tags{{Key: []byte("host"), Value: []byte("server")}},
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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err := sh.WritePoints([]models.Point{pt})
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if err != nil {
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t.Fatalf(err.Error())
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}
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pt.SetTime(time.Unix(2, 3))
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err = sh.WritePoints([]models.Point{pt})
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if err != nil {
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t.Fatalf(err.Error())
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}
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validateIndex := func() {
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cnt := sh.SeriesN()
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if got, exp := cnt, int64(1); got != exp {
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t.Fatalf("got %v series, exp %v series in index", got, exp)
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}
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}
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validateIndex()
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// ensure the index gets loaded after closing and opening the shard
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sh.Close()
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sh = tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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validateIndex()
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// and ensure that we can still write data
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pt.SetTime(time.Unix(2, 6))
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err = sh.WritePoints([]models.Point{pt})
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if err != nil {
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t.Fatalf(err.Error())
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}
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}
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func TestMaxSeriesLimit(t *testing.T) {
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "db", "rp", "1")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.Config.MaxSeriesPerDatabase = 1000
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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// Writing 1K series should succeed.
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points := []models.Point{}
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for i := 0; i < 1000; i++ {
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pt := models.MustNewPoint(
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"cpu",
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models.Tags{{Key: []byte("host"), Value: []byte(fmt.Sprintf("server%d", i))}},
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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points = append(points, pt)
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}
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err := sh.WritePoints(points)
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if err != nil {
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t.Fatalf(err.Error())
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}
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// Writing one more series should exceed the series limit.
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pt := models.MustNewPoint(
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"cpu",
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models.Tags{{Key: []byte("host"), Value: []byte("server9999")}},
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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err = sh.WritePoints([]models.Point{pt})
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if err == nil {
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t.Fatal("expected error")
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} else if exp, got := `partial write: max-series-per-database limit exceeded: (1000) dropped=1`, err.Error(); exp != got {
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t.Fatalf("unexpected error message:\n\texp = %s\n\tgot = %s", exp, got)
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}
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sh.Close()
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}
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func TestShard_MaxTagValuesLimit(t *testing.T) {
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "db", "rp", "1")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.Config.MaxValuesPerTag = 1000
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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// Writing 1K series should succeed.
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points := []models.Point{}
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for i := 0; i < 1000; i++ {
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pt := models.MustNewPoint(
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"cpu",
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models.Tags{{Key: []byte("host"), Value: []byte(fmt.Sprintf("server%d", i))}},
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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points = append(points, pt)
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}
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err := sh.WritePoints(points)
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if err != nil {
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t.Fatalf(err.Error())
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}
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// Writing one more series should exceed the series limit.
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pt := models.MustNewPoint(
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"cpu",
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models.Tags{{Key: []byte("host"), Value: []byte("server9999")}},
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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err = sh.WritePoints([]models.Point{pt})
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if err == nil {
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t.Fatal("expected error")
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} else if exp, got := `partial write: max-values-per-tag limit exceeded (1000/1000): measurement="cpu" tag="host" value="server9999" dropped=1`, err.Error(); exp != got {
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t.Fatalf("unexpected error message:\n\texp = %s\n\tgot = %s", exp, got)
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}
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sh.Close()
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}
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func TestWriteTimeTag(t *testing.T) {
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "shard")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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defer sh.Close()
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pt := models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{}),
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map[string]interface{}{"time": 1.0},
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time.Unix(1, 2),
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)
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if err := sh.WritePoints([]models.Point{pt}); err == nil {
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t.Fatal("expected error: got nil")
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}
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pt = models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{}),
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map[string]interface{}{"value": 1.0, "time": 1.0},
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time.Unix(1, 2),
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)
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if err := sh.WritePoints([]models.Point{pt}); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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mf := sh.MeasurementFields([]byte("cpu"))
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if mf == nil {
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t.Fatal("expected cpu measurement fields")
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}
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if got, exp := mf.FieldN(), 1; got != exp {
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t.Fatalf("invalid number of field names: got=%v exp=%v", got, exp)
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}
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}
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func TestWriteTimeField(t *testing.T) {
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "shard")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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defer sh.Close()
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pt := models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{"time": "now"}),
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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if err := sh.WritePoints([]models.Point{pt}); err == nil {
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t.Fatal("expected error: got nil")
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}
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key := models.MakeKey([]byte("cpu"), nil)
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if ok, err := sh.MeasurementExists(key); ok && err == nil {
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t.Fatal("unexpected series")
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}
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}
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func TestShardWriteAddNewField(t *testing.T) {
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "shard")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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defer sh.Close()
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pt := models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{"host": "server"}),
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map[string]interface{}{"value": 1.0},
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time.Unix(1, 2),
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)
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err := sh.WritePoints([]models.Point{pt})
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if err != nil {
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t.Fatalf(err.Error())
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}
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pt = models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{"host": "server"}),
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map[string]interface{}{"value": 1.0, "value2": 2.0},
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time.Unix(1, 2),
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)
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err = sh.WritePoints([]models.Point{pt})
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if err != nil {
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t.Fatalf(err.Error())
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}
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if got, exp := sh.SeriesN(), int64(1); got != exp {
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t.Fatalf("got %d series, exp %d series in index", got, exp)
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}
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}
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// Tests concurrently writing to the same shard with different field types which
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// can trigger a panic when the shard is snapshotted to TSM files.
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func TestShard_WritePoints_FieldConflictConcurrent(t *testing.T) {
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if testing.Short() {
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t.Skip()
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}
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
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tmpShard := path.Join(tmpDir, "shard")
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tmpWal := path.Join(tmpDir, "wal")
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opts := tsdb.NewEngineOptions()
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
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if err := sh.Open(); err != nil {
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t.Fatalf("error opening shard: %s", err.Error())
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}
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defer sh.Close()
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points := make([]models.Point, 0, 1000)
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for i := 0; i < cap(points); i++ {
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if i < 500 {
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points = append(points, models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{"host": "server"}),
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map[string]interface{}{"value": 1.0},
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time.Unix(int64(i), 0),
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))
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} else {
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points = append(points, models.MustNewPoint(
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"cpu",
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models.NewTags(map[string]string{"host": "server"}),
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map[string]interface{}{"value": int64(1)},
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time.Unix(int64(i), 0),
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))
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}
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}
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var wg sync.WaitGroup
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wg.Add(2)
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errC := make(chan error)
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go func() {
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defer wg.Done()
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for i := 0; i < 50; i++ {
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if err := sh.DeleteMeasurement([]byte("cpu")); err != nil {
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errC <- err
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return
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}
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_ = sh.WritePoints(points[:500])
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if f, err := sh.CreateSnapshot(); err == nil {
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os.RemoveAll(f)
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}
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}
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}()
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go func() {
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defer wg.Done()
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for i := 0; i < 50; i++ {
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if err := sh.DeleteMeasurement([]byte("cpu")); err != nil {
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errC <- err
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return
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}
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_ = sh.WritePoints(points[500:])
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if f, err := sh.CreateSnapshot(); err == nil {
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os.RemoveAll(f)
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}
|
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}
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}()
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go func() {
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wg.Wait()
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close(errC)
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}()
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for err := range errC {
|
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if err != nil {
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t.Error(err)
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}
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}
|
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}
|
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|
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func TestShard_WritePoints_FieldConflictConcurrentQuery(t *testing.T) {
|
|
if testing.Short() {
|
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t.Skip()
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}
|
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tmpDir, _ := ioutil.TempDir("", "shard_test")
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defer os.RemoveAll(tmpDir)
|
|
tmpShard := path.Join(tmpDir, "shard")
|
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tmpWal := path.Join(tmpDir, "wal")
|
|
|
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opts := tsdb.NewEngineOptions()
|
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opts.Config.WALDir = filepath.Join(tmpDir, "wal")
|
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opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
|
|
|
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sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatalf("error opening shard: %s", err.Error())
|
|
}
|
|
defer sh.Close()
|
|
|
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// Spin up two goroutines that write points with different field types in reverse
|
|
// order concurrently. After writing them, query them back.
|
|
var wg sync.WaitGroup
|
|
wg.Add(2)
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
// Write 250 floats and then ints to the same field
|
|
points := make([]models.Point, 0, 500)
|
|
for i := 0; i < cap(points); i++ {
|
|
if i < 250 {
|
|
points = append(points, models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": 1.0},
|
|
time.Unix(int64(i), 0),
|
|
))
|
|
} else {
|
|
points = append(points, models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": int64(1)},
|
|
time.Unix(int64(i), 0),
|
|
))
|
|
}
|
|
}
|
|
|
|
for i := 0; i < 500; i++ {
|
|
if err := sh.DeleteMeasurement([]byte("cpu")); err != nil {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
|
|
sh.WritePoints(points)
|
|
|
|
iter, err := sh.CreateIterator("cpu", influxql.IteratorOptions{
|
|
Expr: influxql.MustParseExpr(`value`),
|
|
Aux: []influxql.VarRef{{Val: "value"}},
|
|
Dimensions: []string{},
|
|
Ascending: true,
|
|
StartTime: influxql.MinTime,
|
|
EndTime: influxql.MaxTime,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
|
|
switch itr := iter.(type) {
|
|
case influxql.IntegerIterator:
|
|
p, err := itr.Next()
|
|
for p != nil && err == nil {
|
|
p, err = itr.Next()
|
|
}
|
|
iter.Close()
|
|
|
|
case influxql.FloatIterator:
|
|
p, err := itr.Next()
|
|
for p != nil && err == nil {
|
|
p, err = itr.Next()
|
|
}
|
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iter.Close()
|
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|
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}
|
|
|
|
}
|
|
}()
|
|
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
// Write 250 ints and then floats to the same field
|
|
points := make([]models.Point, 0, 500)
|
|
for i := 0; i < cap(points); i++ {
|
|
if i < 250 {
|
|
points = append(points, models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": int64(1)},
|
|
time.Unix(int64(i), 0),
|
|
))
|
|
} else {
|
|
points = append(points, models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": 1.0},
|
|
time.Unix(int64(i), 0),
|
|
))
|
|
}
|
|
}
|
|
for i := 0; i < 500; i++ {
|
|
if err := sh.DeleteMeasurement([]byte("cpu")); err != nil {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
|
|
sh.WritePoints(points)
|
|
|
|
iter, err := sh.CreateIterator("cpu", influxql.IteratorOptions{
|
|
Expr: influxql.MustParseExpr(`value`),
|
|
Aux: []influxql.VarRef{{Val: "value"}},
|
|
Dimensions: []string{},
|
|
Ascending: true,
|
|
StartTime: influxql.MinTime,
|
|
EndTime: influxql.MaxTime,
|
|
})
|
|
if err != nil {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
|
|
switch itr := iter.(type) {
|
|
case influxql.IntegerIterator:
|
|
p, err := itr.Next()
|
|
for p != nil && err == nil {
|
|
p, err = itr.Next()
|
|
}
|
|
iter.Close()
|
|
case influxql.FloatIterator:
|
|
p, err := itr.Next()
|
|
for p != nil && err == nil {
|
|
p, err = itr.Next()
|
|
}
|
|
iter.Close()
|
|
}
|
|
}
|
|
}()
|
|
|
|
wg.Wait()
|
|
}
|
|
|
|
// Ensures that when a shard is closed, it removes any series meta-data
|
|
// from the index.
|
|
func TestShard_Close_RemoveIndex(t *testing.T) {
|
|
tmpDir, _ := ioutil.TempDir("", "shard_test")
|
|
defer os.RemoveAll(tmpDir)
|
|
tmpShard := path.Join(tmpDir, "shard")
|
|
tmpWal := path.Join(tmpDir, "wal")
|
|
|
|
opts := tsdb.NewEngineOptions()
|
|
opts.Config.WALDir = filepath.Join(tmpDir, "wal")
|
|
opts.InmemIndex = inmem.NewIndex(path.Base(tmpDir))
|
|
|
|
sh := tsdb.NewShard(1, tmpShard, tmpWal, opts)
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatalf("error opening shard: %s", err.Error())
|
|
}
|
|
|
|
pt := models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": 1.0},
|
|
time.Unix(1, 2),
|
|
)
|
|
|
|
err := sh.WritePoints([]models.Point{pt})
|
|
if err != nil {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
|
|
if got, exp := sh.SeriesN(), int64(1); got != exp {
|
|
t.Fatalf("got %d series, exp %d series in index", got, exp)
|
|
}
|
|
|
|
// ensure the index gets loaded after closing and opening the shard
|
|
sh.Close()
|
|
sh.Open()
|
|
|
|
if got, exp := sh.SeriesN(), int64(1); got != exp {
|
|
t.Fatalf("got %d series, exp %d series in index", got, exp)
|
|
}
|
|
}
|
|
|
|
// Ensure a shard can create iterators for its underlying data.
|
|
func TestShard_CreateIterator_Ascending(t *testing.T) {
|
|
sh := NewShard()
|
|
|
|
// Calling CreateIterator when the engine is not open will return
|
|
// ErrEngineClosed.
|
|
_, got := sh.CreateIterator("cpu", influxql.IteratorOptions{})
|
|
if exp := tsdb.ErrEngineClosed; got != exp {
|
|
t.Fatalf("got %v, expected %v", got, exp)
|
|
}
|
|
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer sh.Close()
|
|
|
|
sh.MustWritePointsString(`
|
|
cpu,host=serverA,region=uswest value=100 0
|
|
cpu,host=serverA,region=uswest value=50,val2=5 10
|
|
cpu,host=serverB,region=uswest value=25 0
|
|
`)
|
|
|
|
// Create iterator.
|
|
itr, err := sh.CreateIterator("cpu", influxql.IteratorOptions{
|
|
Expr: influxql.MustParseExpr(`value`),
|
|
Aux: []influxql.VarRef{{Val: "val2"}},
|
|
Dimensions: []string{"host"},
|
|
Ascending: true,
|
|
StartTime: influxql.MinTime,
|
|
EndTime: influxql.MaxTime,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
fitr := itr.(influxql.FloatIterator)
|
|
defer itr.Close()
|
|
|
|
// Read values from iterator.
|
|
if p, err := fitr.Next(); err != nil {
|
|
t.Fatalf("unexpected error(0): %s", err)
|
|
} else if !deep.Equal(p, &influxql.FloatPoint{
|
|
Name: "cpu",
|
|
Tags: influxql.NewTags(map[string]string{"host": "serverA"}),
|
|
Time: time.Unix(0, 0).UnixNano(),
|
|
Value: 100,
|
|
Aux: []interface{}{(*float64)(nil)},
|
|
}) {
|
|
t.Fatalf("unexpected point(0): %s", spew.Sdump(p))
|
|
}
|
|
|
|
if p, err := fitr.Next(); err != nil {
|
|
t.Fatalf("unexpected error(1): %s", err)
|
|
} else if !deep.Equal(p, &influxql.FloatPoint{
|
|
Name: "cpu",
|
|
Tags: influxql.NewTags(map[string]string{"host": "serverA"}),
|
|
Time: time.Unix(10, 0).UnixNano(),
|
|
Value: 50,
|
|
Aux: []interface{}{float64(5)},
|
|
}) {
|
|
t.Fatalf("unexpected point(1): %s", spew.Sdump(p))
|
|
}
|
|
|
|
if p, err := fitr.Next(); err != nil {
|
|
t.Fatalf("unexpected error(2): %s", err)
|
|
} else if !deep.Equal(p, &influxql.FloatPoint{
|
|
Name: "cpu",
|
|
Tags: influxql.NewTags(map[string]string{"host": "serverB"}),
|
|
Time: time.Unix(0, 0).UnixNano(),
|
|
Value: 25,
|
|
Aux: []interface{}{(*float64)(nil)},
|
|
}) {
|
|
t.Fatalf("unexpected point(2): %s", spew.Sdump(p))
|
|
}
|
|
}
|
|
|
|
// Ensure a shard can create iterators for its underlying data.
|
|
func TestShard_CreateIterator_Descending(t *testing.T) {
|
|
sh := NewShard()
|
|
|
|
// Calling CreateIterator when the engine is not open will return
|
|
// ErrEngineClosed.
|
|
_, got := sh.CreateIterator("cpu", influxql.IteratorOptions{})
|
|
if exp := tsdb.ErrEngineClosed; got != exp {
|
|
t.Fatalf("got %v, expected %v", got, exp)
|
|
}
|
|
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer sh.Close()
|
|
|
|
sh.MustWritePointsString(`
|
|
cpu,host=serverA,region=uswest value=100 0
|
|
cpu,host=serverA,region=uswest value=50,val2=5 10
|
|
cpu,host=serverB,region=uswest value=25 0
|
|
`)
|
|
|
|
// Create iterator.
|
|
itr, err := sh.CreateIterator("cpu", influxql.IteratorOptions{
|
|
Expr: influxql.MustParseExpr(`value`),
|
|
Aux: []influxql.VarRef{{Val: "val2"}},
|
|
Dimensions: []string{"host"},
|
|
Ascending: false,
|
|
StartTime: influxql.MinTime,
|
|
EndTime: influxql.MaxTime,
|
|
})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer itr.Close()
|
|
fitr := itr.(influxql.FloatIterator)
|
|
|
|
// Read values from iterator.
|
|
if p, err := fitr.Next(); err != nil {
|
|
t.Fatalf("unexpected error(0): %s", err)
|
|
} else if !deep.Equal(p, &influxql.FloatPoint{
|
|
Name: "cpu",
|
|
Tags: influxql.NewTags(map[string]string{"host": "serverB"}),
|
|
Time: time.Unix(0, 0).UnixNano(),
|
|
Value: 25,
|
|
Aux: []interface{}{(*float64)(nil)},
|
|
}) {
|
|
t.Fatalf("unexpected point(0): %s", spew.Sdump(p))
|
|
}
|
|
|
|
if p, err := fitr.Next(); err != nil {
|
|
t.Fatalf("unexpected error(1): %s", err)
|
|
} else if !deep.Equal(p, &influxql.FloatPoint{
|
|
Name: "cpu",
|
|
Tags: influxql.NewTags(map[string]string{"host": "serverA"}),
|
|
Time: time.Unix(10, 0).UnixNano(),
|
|
Value: 50,
|
|
Aux: []interface{}{float64(5)},
|
|
}) {
|
|
t.Fatalf("unexpected point(1): %s", spew.Sdump(p))
|
|
}
|
|
|
|
if p, err := fitr.Next(); err != nil {
|
|
t.Fatalf("unexpected error(2): %s", err)
|
|
} else if !deep.Equal(p, &influxql.FloatPoint{
|
|
Name: "cpu",
|
|
Tags: influxql.NewTags(map[string]string{"host": "serverA"}),
|
|
Time: time.Unix(0, 0).UnixNano(),
|
|
Value: 100,
|
|
Aux: []interface{}{(*float64)(nil)},
|
|
}) {
|
|
t.Fatalf("unexpected point(2): %s", spew.Sdump(p))
|
|
}
|
|
}
|
|
|
|
func TestShard_Disabled_WriteQuery(t *testing.T) {
|
|
sh := NewShard()
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer sh.Close()
|
|
|
|
sh.SetEnabled(false)
|
|
|
|
pt := models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": 1.0},
|
|
time.Unix(1, 2),
|
|
)
|
|
|
|
err := sh.WritePoints([]models.Point{pt})
|
|
if err == nil {
|
|
t.Fatalf("expected shard disabled error")
|
|
}
|
|
if err != tsdb.ErrShardDisabled {
|
|
t.Fatalf(err.Error())
|
|
}
|
|
|
|
_, got := sh.CreateIterator("cpu", influxql.IteratorOptions{})
|
|
if err == nil {
|
|
t.Fatalf("expected shard disabled error")
|
|
}
|
|
if exp := tsdb.ErrShardDisabled; got != exp {
|
|
t.Fatalf("got %v, expected %v", got, exp)
|
|
}
|
|
|
|
sh.SetEnabled(true)
|
|
|
|
err = sh.WritePoints([]models.Point{pt})
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
|
|
if _, err = sh.CreateIterator("cpu", influxql.IteratorOptions{}); err != nil {
|
|
t.Fatalf("unexpected error: %v", got)
|
|
}
|
|
}
|
|
|
|
func TestShard_Closed_Functions(t *testing.T) {
|
|
sh := NewShard()
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer sh.Close()
|
|
|
|
pt := models.MustNewPoint(
|
|
"cpu",
|
|
models.NewTags(map[string]string{"host": "server"}),
|
|
map[string]interface{}{"value": 1.0},
|
|
time.Unix(1, 2),
|
|
)
|
|
|
|
if err := sh.WritePoints([]models.Point{pt}); err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
|
|
sh.Close()
|
|
|
|
// Should not panic, but returns an error when shard is closed
|
|
if err := sh.ForEachMeasurementTagKey([]byte("cpu"), func(k []byte) error {
|
|
return nil
|
|
}); err == nil {
|
|
t.Fatal("expected error: got nil")
|
|
}
|
|
|
|
// Should not panic.
|
|
if exp, got := 0, sh.TagKeyCardinality([]byte("cpu"), []byte("host")); exp != got {
|
|
t.Fatalf("got %d, expected %d", got, exp)
|
|
}
|
|
}
|
|
|
|
func TestShard_FieldDimensions(t *testing.T) {
|
|
sh := NewShard()
|
|
|
|
if err := sh.Open(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer sh.Close()
|
|
|
|
sh.MustWritePointsString(`
|
|
cpu,host=serverA,region=uswest value=100 0
|
|
cpu,host=serverA,region=uswest value=50,val2=5 10
|
|
cpu,host=serverB,region=uswest value=25 0
|
|
mem,host=serverA value=25i 0
|
|
mem,host=serverB value=50i,val3=t 10
|
|
`)
|
|
|
|
for i, tt := range []struct {
|
|
sources []string
|
|
f map[string]influxql.DataType
|
|
d map[string]struct{}
|
|
}{
|
|
{
|
|
sources: []string{"cpu"},
|
|
f: map[string]influxql.DataType{
|
|
"value": influxql.Float,
|
|
"val2": influxql.Float,
|
|
},
|
|
d: map[string]struct{}{
|
|
"host": struct{}{},
|
|
"region": struct{}{},
|
|
},
|
|
},
|
|
{
|
|
sources: []string{"cpu", "mem"},
|
|
f: map[string]influxql.DataType{
|
|
"value": influxql.Float,
|
|
"val2": influxql.Float,
|
|
"val3": influxql.Boolean,
|
|
},
|
|
d: map[string]struct{}{
|
|
"host": struct{}{},
|
|
"region": struct{}{},
|
|
},
|
|
},
|
|
} {
|
|
f, d, err := sh.FieldDimensions(tt.sources)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(f, tt.f) {
|
|
t.Errorf("%d. unexpected fields:\n\nexp=%#v\n\ngot=%#v\n\n", i, tt.f, f)
|
|
}
|
|
if !reflect.DeepEqual(d, tt.d) {
|
|
t.Errorf("%d. unexpected dimensions:\n\nexp=%#v\n\ngot=%#v\n\n", i, tt.d, d)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkWritePoints_NewSeries_1K(b *testing.B) { benchmarkWritePoints(b, 38, 3, 3, 1) }
|
|
func BenchmarkWritePoints_NewSeries_100K(b *testing.B) { benchmarkWritePoints(b, 32, 5, 5, 1) }
|
|
func BenchmarkWritePoints_NewSeries_250K(b *testing.B) { benchmarkWritePoints(b, 80, 5, 5, 1) }
|
|
func BenchmarkWritePoints_NewSeries_500K(b *testing.B) { benchmarkWritePoints(b, 160, 5, 5, 1) }
|
|
func BenchmarkWritePoints_NewSeries_1M(b *testing.B) { benchmarkWritePoints(b, 320, 5, 5, 1) }
|
|
|
|
// Fix measurement and tag key cardinalities and vary tag value cardinality
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_100_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 100, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_500_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 500, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_1000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 1000, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_5000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 5000, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_10000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 10000, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_50000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 50000, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_100000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 100000, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_500000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 500000, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_1000000_TagValues(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 1000000, 1)
|
|
}
|
|
|
|
// Fix tag key and tag values cardinalities and vary measurement cardinality
|
|
func BenchmarkWritePoints_NewSeries_100_Measurements_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 100, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_500_Measurements_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 500, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1000, 1, 1, 1)
|
|
}
|
|
|
|
func BenchmarkWritePoints_NewSeries_5000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 5000, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_10000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 10000, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_50000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 50000, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_100000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 100000, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_500000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 500000, 1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1000000_Measurement_1_TagKey_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1000000, 1, 1, 1)
|
|
}
|
|
|
|
// Fix measurement and tag values cardinalities and vary tag key cardinality
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_2_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<1, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurements_4_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<2, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurements_8_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<3, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_16_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<4, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_32_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<5, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_64_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<6, 1, 1)
|
|
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_128_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<7, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_256_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<8, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_512_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<9, 1, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1024_TagKeys_1_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1<<10, 1, 1)
|
|
}
|
|
|
|
// Fix series cardinality and vary tag keys and value cardinalities
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_1_TagKey_65536_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 1, 1<<16, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_2_TagKeys_256_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 2, 1<<8, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_4_TagKeys_16_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 4, 1<<4, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_8_TagKeys_4_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 8, 1<<2, 1)
|
|
}
|
|
func BenchmarkWritePoints_NewSeries_1_Measurement_16_TagKeys_2_TagValue(b *testing.B) {
|
|
benchmarkWritePoints(b, 1, 16, 1<<1, 1)
|
|
}
|
|
|
|
func BenchmarkWritePoints_ExistingSeries_1K(b *testing.B) {
|
|
benchmarkWritePointsExistingSeries(b, 38, 3, 3, 1)
|
|
}
|
|
func BenchmarkWritePoints_ExistingSeries_100K(b *testing.B) {
|
|
benchmarkWritePointsExistingSeries(b, 32, 5, 5, 1)
|
|
}
|
|
func BenchmarkWritePoints_ExistingSeries_250K(b *testing.B) {
|
|
benchmarkWritePointsExistingSeries(b, 80, 5, 5, 1)
|
|
}
|
|
func BenchmarkWritePoints_ExistingSeries_500K(b *testing.B) {
|
|
benchmarkWritePointsExistingSeries(b, 160, 5, 5, 1)
|
|
}
|
|
func BenchmarkWritePoints_ExistingSeries_1M(b *testing.B) {
|
|
benchmarkWritePointsExistingSeries(b, 320, 5, 5, 1)
|
|
}
|
|
|
|
// 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)
|
|
// Generate point data to write to the shard.
|
|
points := []models.Point{}
|
|
for _, s := range series {
|
|
for val := 0.0; val < float64(pntCnt); val++ {
|
|
p := models.MustNewPoint(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")
|
|
tmpWal := path.Join(tmpDir, "wal")
|
|
shard := tsdb.NewShard(1, tmpShard, tmpWal, tsdb.NewEngineOptions())
|
|
shard.Open()
|
|
|
|
b.StartTimer()
|
|
// Call the function being benchmarked.
|
|
chunkedWrite(shard, points)
|
|
|
|
b.StopTimer()
|
|
shard.Close()
|
|
os.RemoveAll(tmpDir)
|
|
}
|
|
}
|
|
|
|
// benchmarkWritePointsExistingSeries benchmarks writing to existing series in 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 benchmarkWritePointsExistingSeries(b *testing.B, mCnt, tkCnt, tvCnt, pntCnt int) {
|
|
// Generate test series (measurements + unique tag sets).
|
|
series := genTestSeries(mCnt, tkCnt, tvCnt)
|
|
// Generate point data to write to the shard.
|
|
points := []models.Point{}
|
|
for _, s := range series {
|
|
for val := 0.0; val < float64(pntCnt); val++ {
|
|
p := models.MustNewPoint(s.Measurement, s.Series.Tags(), map[string]interface{}{"value": val}, time.Now())
|
|
points = append(points, p)
|
|
}
|
|
}
|
|
|
|
tmpDir, _ := ioutil.TempDir("", "")
|
|
defer os.RemoveAll(tmpDir)
|
|
tmpShard := path.Join(tmpDir, "shard")
|
|
tmpWal := path.Join(tmpDir, "wal")
|
|
shard := tsdb.NewShard(1, tmpShard, tmpWal, tsdb.NewEngineOptions())
|
|
shard.Open()
|
|
defer shard.Close()
|
|
chunkedWrite(shard, points)
|
|
|
|
// Reset timers and mem-stats before the main benchmark loop.
|
|
b.ResetTimer()
|
|
|
|
// Run the benchmark loop.
|
|
for n := 0; n < b.N; n++ {
|
|
b.StopTimer()
|
|
for _, p := range points {
|
|
p.SetTime(p.Time().Add(time.Second))
|
|
}
|
|
|
|
b.StartTimer()
|
|
// Call the function being benchmarked.
|
|
chunkedWrite(shard, points)
|
|
}
|
|
}
|
|
|
|
func chunkedWrite(shard *tsdb.Shard, points []models.Point) {
|
|
nPts := len(points)
|
|
chunkSz := 10000
|
|
start := 0
|
|
end := chunkSz
|
|
|
|
for {
|
|
if end > nPts {
|
|
end = nPts
|
|
}
|
|
if end-start == 0 {
|
|
break
|
|
}
|
|
|
|
shard.WritePoints(points[start:end])
|
|
start = end
|
|
end += chunkSz
|
|
}
|
|
}
|
|
|
|
// Shard represents a test wrapper for tsdb.Shard.
|
|
type Shard struct {
|
|
*tsdb.Shard
|
|
path string
|
|
}
|
|
|
|
// NewShard returns a new instance of Shard with temp paths.
|
|
func NewShard() *Shard {
|
|
// Create temporary path for data and WAL.
|
|
dir, err := ioutil.TempDir("", "influxdb-tsdb-")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
// Build engine options.
|
|
opt := tsdb.NewEngineOptions()
|
|
opt.Config.WALDir = filepath.Join(dir, "wal")
|
|
opt.InmemIndex = inmem.NewIndex(path.Base(dir))
|
|
|
|
return &Shard{
|
|
Shard: tsdb.NewShard(0,
|
|
filepath.Join(dir, "data", "db0", "rp0", "1"),
|
|
filepath.Join(dir, "wal", "db0", "rp0", "1"),
|
|
opt,
|
|
),
|
|
path: dir,
|
|
}
|
|
}
|
|
|
|
// Close closes the shard and removes all underlying data.
|
|
func (sh *Shard) Close() error {
|
|
defer os.RemoveAll(sh.path)
|
|
return sh.Shard.Close()
|
|
}
|
|
|
|
// MustWritePointsString parses the line protocol (with second precision) and
|
|
// inserts the resulting points into the shard. Panic on error.
|
|
func (sh *Shard) MustWritePointsString(s string) {
|
|
a, err := models.ParsePointsWithPrecision([]byte(strings.TrimSpace(s)), time.Time{}, "s")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
if err := sh.WritePoints(a); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|