865 lines
19 KiB
Go
865 lines
19 KiB
Go
package tsm1_test
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import (
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"fmt"
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"io"
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"os"
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"reflect"
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"testing"
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"github.com/golang/snappy"
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"github.com/influxdata/platform/pkg/slices"
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"github.com/influxdata/platform/tsdb/tsm1"
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)
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func TestWALWriter_WriteMulti_Single(t *testing.T) {
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dir := MustTempDir()
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defer os.RemoveAll(dir)
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f := MustTempFile(dir)
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w := tsm1.NewWALSegmentWriter(f)
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p1 := tsm1.NewValue(1, 1.1)
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p2 := tsm1.NewValue(1, int64(1))
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p3 := tsm1.NewValue(1, true)
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p4 := tsm1.NewValue(1, "string")
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p5 := tsm1.NewValue(1, ^uint64(0))
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values := map[string][]tsm1.Value{
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"cpu,host=A#!~#float": []tsm1.Value{p1},
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"cpu,host=A#!~#int": []tsm1.Value{p2},
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"cpu,host=A#!~#bool": []tsm1.Value{p3},
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"cpu,host=A#!~#string": []tsm1.Value{p4},
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"cpu,host=A#!~#unsigned": []tsm1.Value{p5},
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}
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entry := &tsm1.WriteWALEntry{
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Values: values,
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}
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if err := w.Write(mustMarshalEntry(entry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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if _, err := f.Seek(0, io.SeekStart); err != nil {
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fatal(t, "seek", err)
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}
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r := tsm1.NewWALSegmentReader(f)
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err := r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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e, ok := we.(*tsm1.WriteWALEntry)
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if !ok {
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t.Fatalf("expected WriteWALEntry: got %#v", e)
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}
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for k, v := range e.Values {
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for i, vv := range v {
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if got, exp := vv.String(), values[k][i].String(); got != exp {
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t.Fatalf("points mismatch: got %v, exp %v", got, exp)
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}
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}
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}
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if n := r.Count(); n != MustReadFileSize(f) {
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t.Fatalf("wrong count of bytes read, got %d, exp %d", n, MustReadFileSize(f))
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}
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}
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func TestWALWriter_WriteMulti_LargeBatch(t *testing.T) {
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dir := MustTempDir()
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defer os.RemoveAll(dir)
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f := MustTempFile(dir)
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w := tsm1.NewWALSegmentWriter(f)
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var points []tsm1.Value
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for i := 0; i < 100000; i++ {
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points = append(points, tsm1.NewValue(int64(i), int64(1)))
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}
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values := map[string][]tsm1.Value{
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"cpu,host=A,server=01,foo=bar,tag=really-long#!~#float": points,
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"mem,host=A,server=01,foo=bar,tag=really-long#!~#float": points,
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}
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entry := &tsm1.WriteWALEntry{
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Values: values,
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}
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if err := w.Write(mustMarshalEntry(entry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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if _, err := f.Seek(0, io.SeekStart); err != nil {
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fatal(t, "seek", err)
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}
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r := tsm1.NewWALSegmentReader(f)
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err := r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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e, ok := we.(*tsm1.WriteWALEntry)
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if !ok {
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t.Fatalf("expected WriteWALEntry: got %#v", e)
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}
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for k, v := range e.Values {
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for i, vv := range v {
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if got, exp := vv.String(), values[k][i].String(); got != exp {
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t.Fatalf("points mismatch: got %v, exp %v", got, exp)
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}
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}
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}
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if n := r.Count(); n != MustReadFileSize(f) {
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t.Fatalf("wrong count of bytes read, got %d, exp %d", n, MustReadFileSize(f))
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}
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}
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func TestWALWriter_WriteMulti_Multiple(t *testing.T) {
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dir := MustTempDir()
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defer os.RemoveAll(dir)
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f := MustTempFile(dir)
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w := tsm1.NewWALSegmentWriter(f)
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p1 := tsm1.NewValue(1, int64(1))
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p2 := tsm1.NewValue(1, int64(2))
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exp := []struct {
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key string
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values []tsm1.Value
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}{
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{"cpu,host=A#!~#value", []tsm1.Value{p1}},
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{"cpu,host=B#!~#value", []tsm1.Value{p2}},
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}
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for _, v := range exp {
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entry := &tsm1.WriteWALEntry{
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Values: map[string][]tsm1.Value{v.key: v.values},
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}
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if err := w.Write(mustMarshalEntry(entry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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}
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// Seek back to the beinning of the file for reading
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if _, err := f.Seek(0, io.SeekStart); err != nil {
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fatal(t, "seek", err)
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}
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r := tsm1.NewWALSegmentReader(f)
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for _, ep := range exp {
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err := r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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e, ok := we.(*tsm1.WriteWALEntry)
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if !ok {
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t.Fatalf("expected WriteWALEntry: got %#v", e)
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}
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for k, v := range e.Values {
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if got, exp := k, ep.key; got != exp {
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t.Fatalf("key mismatch. got %v, exp %v", got, exp)
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}
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if got, exp := len(v), len(ep.values); got != exp {
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t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
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}
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for i, vv := range v {
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if got, exp := vv.String(), ep.values[i].String(); got != exp {
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t.Fatalf("points mismatch: got %v, exp %v", got, exp)
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}
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}
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}
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}
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if n := r.Count(); n != MustReadFileSize(f) {
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t.Fatalf("wrong count of bytes read, got %d, exp %d", n, MustReadFileSize(f))
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}
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}
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func TestWALWriter_WriteDelete_Single(t *testing.T) {
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dir := MustTempDir()
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defer os.RemoveAll(dir)
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f := MustTempFile(dir)
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w := tsm1.NewWALSegmentWriter(f)
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entry := &tsm1.DeleteWALEntry{
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Keys: [][]byte{[]byte("cpu")},
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}
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if err := w.Write(mustMarshalEntry(entry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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if _, err := f.Seek(0, io.SeekStart); err != nil {
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fatal(t, "seek", err)
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}
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r := tsm1.NewWALSegmentReader(f)
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err := r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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e, ok := we.(*tsm1.DeleteWALEntry)
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if !ok {
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t.Fatalf("expected WriteWALEntry: got %#v", e)
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}
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if got, exp := len(e.Keys), len(entry.Keys); got != exp {
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t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
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}
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if got, exp := string(e.Keys[0]), string(entry.Keys[0]); got != exp {
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t.Fatalf("key mismatch: got %v, exp %v", got, exp)
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}
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}
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func TestWALWriter_WriteMultiDelete_Multiple(t *testing.T) {
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dir := MustTempDir()
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defer os.RemoveAll(dir)
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f := MustTempFile(dir)
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w := tsm1.NewWALSegmentWriter(f)
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p1 := tsm1.NewValue(1, true)
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values := map[string][]tsm1.Value{
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"cpu,host=A#!~#value": []tsm1.Value{p1},
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}
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writeEntry := &tsm1.WriteWALEntry{
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Values: values,
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}
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if err := w.Write(mustMarshalEntry(writeEntry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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// Write the delete entry
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deleteEntry := &tsm1.DeleteWALEntry{
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Keys: [][]byte{[]byte("cpu,host=A#!~value")},
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}
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if err := w.Write(mustMarshalEntry(deleteEntry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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// Seek back to the beinning of the file for reading
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if _, err := f.Seek(0, io.SeekStart); err != nil {
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fatal(t, "seek", err)
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}
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r := tsm1.NewWALSegmentReader(f)
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// Read the write points first
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err := r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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e, ok := we.(*tsm1.WriteWALEntry)
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if !ok {
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t.Fatalf("expected WriteWALEntry: got %#v", e)
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}
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for k, v := range e.Values {
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if got, exp := len(v), len(values[k]); got != exp {
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t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
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}
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for i, vv := range v {
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if got, exp := vv.String(), values[k][i].String(); got != exp {
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t.Fatalf("points mismatch: got %v, exp %v", got, exp)
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}
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}
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}
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// Read the delete second
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err = r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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de, ok := we.(*tsm1.DeleteWALEntry)
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if !ok {
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t.Fatalf("expected DeleteWALEntry: got %#v", e)
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}
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if got, exp := len(de.Keys), len(deleteEntry.Keys); got != exp {
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t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
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}
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if got, exp := string(de.Keys[0]), string(deleteEntry.Keys[0]); got != exp {
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t.Fatalf("key mismatch: got %v, exp %v", got, exp)
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}
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}
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func TestWALWriter_WriteMultiDeleteRange_Multiple(t *testing.T) {
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dir := MustTempDir()
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defer os.RemoveAll(dir)
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f := MustTempFile(dir)
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w := tsm1.NewWALSegmentWriter(f)
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p1 := tsm1.NewValue(1, 1.0)
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p2 := tsm1.NewValue(2, 2.0)
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p3 := tsm1.NewValue(3, 3.0)
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values := map[string][]tsm1.Value{
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"cpu,host=A#!~#value": []tsm1.Value{p1, p2, p3},
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}
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writeEntry := &tsm1.WriteWALEntry{
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Values: values,
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}
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if err := w.Write(mustMarshalEntry(writeEntry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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// Write the delete entry
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deleteEntry := &tsm1.DeleteRangeWALEntry{
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Keys: [][]byte{[]byte("cpu,host=A#!~value")},
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Min: 2,
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Max: 3,
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}
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if err := w.Write(mustMarshalEntry(deleteEntry)); err != nil {
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fatal(t, "write points", err)
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}
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if err := w.Flush(); err != nil {
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fatal(t, "flush", err)
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}
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// Seek back to the beinning of the file for reading
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if _, err := f.Seek(0, io.SeekStart); err != nil {
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fatal(t, "seek", err)
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}
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r := tsm1.NewWALSegmentReader(f)
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// Read the write points first
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if !r.Next() {
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t.Fatalf("expected next, got false")
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}
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we, err := r.Read()
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if err != nil {
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fatal(t, "read entry", err)
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}
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e, ok := we.(*tsm1.WriteWALEntry)
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if !ok {
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t.Fatalf("expected WriteWALEntry: got %#v", e)
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}
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|
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for k, v := range e.Values {
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if got, exp := len(v), len(values[k]); got != exp {
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t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
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}
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for i, vv := range v {
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if got, exp := vv.String(), values[k][i].String(); got != exp {
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t.Fatalf("points mismatch: got %v, exp %v", got, exp)
|
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}
|
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}
|
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}
|
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|
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// Read the delete second
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if !r.Next() {
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t.Fatalf("expected next, got false")
|
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}
|
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we, err = r.Read()
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if err != nil {
|
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fatal(t, "read entry", err)
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}
|
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|
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de, ok := we.(*tsm1.DeleteRangeWALEntry)
|
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if !ok {
|
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t.Fatalf("expected DeleteWALEntry: got %#v", e)
|
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}
|
|
|
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if got, exp := len(de.Keys), len(deleteEntry.Keys); got != exp {
|
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t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
|
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}
|
|
|
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if got, exp := string(de.Keys[0]), string(deleteEntry.Keys[0]); got != exp {
|
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t.Fatalf("key mismatch: got %v, exp %v", got, exp)
|
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}
|
|
|
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if got, exp := de.Min, int64(2); got != exp {
|
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t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
|
|
}
|
|
|
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if got, exp := de.Max, int64(3); got != exp {
|
|
t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
|
|
}
|
|
|
|
}
|
|
|
|
func TestWAL_ClosedSegments(t *testing.T) {
|
|
dir := MustTempDir()
|
|
defer os.RemoveAll(dir)
|
|
|
|
w := tsm1.NewWAL(dir)
|
|
if err := w.Open(); err != nil {
|
|
t.Fatalf("error opening WAL: %v", err)
|
|
}
|
|
|
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files, err := w.ClosedSegments()
|
|
if err != nil {
|
|
t.Fatalf("error getting closed segments: %v", err)
|
|
}
|
|
|
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if got, exp := len(files), 0; got != exp {
|
|
t.Fatalf("close segment length mismatch: got %v, exp %v", got, exp)
|
|
}
|
|
|
|
if _, err := w.WriteMulti(map[string][]tsm1.Value{
|
|
"cpu,host=A#!~#value": []tsm1.Value{
|
|
tsm1.NewValue(1, 1.1),
|
|
},
|
|
}); err != nil {
|
|
t.Fatalf("error writing points: %v", err)
|
|
}
|
|
|
|
if err := w.Close(); err != nil {
|
|
t.Fatalf("error closing wal: %v", err)
|
|
}
|
|
|
|
// Re-open the WAL
|
|
w = tsm1.NewWAL(dir)
|
|
defer w.Close()
|
|
if err := w.Open(); err != nil {
|
|
t.Fatalf("error opening WAL: %v", err)
|
|
}
|
|
|
|
files, err = w.ClosedSegments()
|
|
if err != nil {
|
|
t.Fatalf("error getting closed segments: %v", err)
|
|
}
|
|
if got, exp := len(files), 0; got != exp {
|
|
t.Fatalf("close segment length mismatch: got %v, exp %v", got, exp)
|
|
}
|
|
}
|
|
|
|
func TestWAL_Delete(t *testing.T) {
|
|
dir := MustTempDir()
|
|
defer os.RemoveAll(dir)
|
|
|
|
w := tsm1.NewWAL(dir)
|
|
if err := w.Open(); err != nil {
|
|
t.Fatalf("error opening WAL: %v", err)
|
|
}
|
|
|
|
files, err := w.ClosedSegments()
|
|
if err != nil {
|
|
t.Fatalf("error getting closed segments: %v", err)
|
|
}
|
|
|
|
if got, exp := len(files), 0; got != exp {
|
|
t.Fatalf("close segment length mismatch: got %v, exp %v", got, exp)
|
|
}
|
|
|
|
if _, err := w.Delete([][]byte{[]byte("cpu")}); err != nil {
|
|
t.Fatalf("error writing points: %v", err)
|
|
}
|
|
|
|
if err := w.Close(); err != nil {
|
|
t.Fatalf("error closing wal: %v", err)
|
|
}
|
|
|
|
// Re-open the WAL
|
|
w = tsm1.NewWAL(dir)
|
|
defer w.Close()
|
|
if err := w.Open(); err != nil {
|
|
t.Fatalf("error opening WAL: %v", err)
|
|
}
|
|
|
|
files, err = w.ClosedSegments()
|
|
if err != nil {
|
|
t.Fatalf("error getting closed segments: %v", err)
|
|
}
|
|
if got, exp := len(files), 0; got != exp {
|
|
t.Fatalf("close segment length mismatch: got %v, exp %v", got, exp)
|
|
}
|
|
}
|
|
|
|
func TestWALWriter_Corrupt(t *testing.T) {
|
|
dir := MustTempDir()
|
|
defer os.RemoveAll(dir)
|
|
f := MustTempFile(dir)
|
|
w := tsm1.NewWALSegmentWriter(f)
|
|
corruption := []byte{1, 4, 0, 0, 0}
|
|
|
|
p1 := tsm1.NewValue(1, 1.1)
|
|
values := map[string][]tsm1.Value{
|
|
"cpu,host=A#!~#float": []tsm1.Value{p1},
|
|
}
|
|
|
|
entry := &tsm1.WriteWALEntry{
|
|
Values: values,
|
|
}
|
|
if err := w.Write(mustMarshalEntry(entry)); err != nil {
|
|
fatal(t, "write points", err)
|
|
}
|
|
|
|
if err := w.Flush(); err != nil {
|
|
fatal(t, "flush", err)
|
|
}
|
|
|
|
// Write some random bytes to the file to simulate corruption.
|
|
if _, err := f.Write(corruption); err != nil {
|
|
fatal(t, "corrupt WAL segment", err)
|
|
}
|
|
|
|
// Create the WAL segment reader.
|
|
if _, err := f.Seek(0, io.SeekStart); err != nil {
|
|
fatal(t, "seek", err)
|
|
}
|
|
r := tsm1.NewWALSegmentReader(f)
|
|
|
|
// Try to decode two entries.
|
|
|
|
if !r.Next() {
|
|
t.Fatalf("expected next, got false")
|
|
}
|
|
if _, err := r.Read(); err != nil {
|
|
fatal(t, "read entry", err)
|
|
}
|
|
|
|
if !r.Next() {
|
|
t.Fatalf("expected next, got false")
|
|
}
|
|
if _, err := r.Read(); err == nil {
|
|
fatal(t, "read entry did not return err", nil)
|
|
}
|
|
|
|
// Count should only return size of valid data.
|
|
expCount := MustReadFileSize(f) - int64(len(corruption))
|
|
if n := r.Count(); n != expCount {
|
|
t.Fatalf("wrong count of bytes read, got %d, exp %d", n, expCount)
|
|
}
|
|
}
|
|
|
|
// Reproduces a `panic: runtime error: makeslice: cap out of range` when run with
|
|
// GOARCH=386 go test -run TestWALSegmentReader_Corrupt -v ./tsdb/engine/tsm1/
|
|
func TestWALSegmentReader_Corrupt(t *testing.T) {
|
|
dir := MustTempDir()
|
|
defer os.RemoveAll(dir)
|
|
f := MustTempFile(dir)
|
|
w := tsm1.NewWALSegmentWriter(f)
|
|
|
|
p4 := tsm1.NewValue(1, "string")
|
|
|
|
values := map[string][]tsm1.Value{
|
|
"cpu,host=A#!~#string": []tsm1.Value{p4, p4},
|
|
}
|
|
|
|
entry := &tsm1.WriteWALEntry{
|
|
Values: values,
|
|
}
|
|
|
|
typ, b := mustMarshalEntry(entry)
|
|
|
|
// This causes the nvals field to overflow on 32 bit systems which produces a
|
|
// negative count and a panic when reading the segment.
|
|
b[25] = 255
|
|
|
|
if err := w.Write(typ, b); err != nil {
|
|
fatal(t, "write points", err)
|
|
}
|
|
|
|
if err := w.Flush(); err != nil {
|
|
fatal(t, "flush", err)
|
|
}
|
|
|
|
// Create the WAL segment reader.
|
|
if _, err := f.Seek(0, io.SeekStart); err != nil {
|
|
fatal(t, "seek", err)
|
|
}
|
|
|
|
r := tsm1.NewWALSegmentReader(f)
|
|
defer r.Close()
|
|
|
|
// Try to decode two entries.
|
|
for r.Next() {
|
|
r.Read()
|
|
}
|
|
}
|
|
|
|
func TestWriteWALSegment_UnmarshalBinary_WriteWALCorrupt(t *testing.T) {
|
|
p1 := tsm1.NewValue(1, 1.1)
|
|
p2 := tsm1.NewValue(1, int64(1))
|
|
p3 := tsm1.NewValue(1, true)
|
|
p4 := tsm1.NewValue(1, "string")
|
|
p5 := tsm1.NewValue(1, uint64(1))
|
|
|
|
values := map[string][]tsm1.Value{
|
|
"cpu,host=A#!~#float": []tsm1.Value{p1, p1},
|
|
"cpu,host=A#!~#int": []tsm1.Value{p2, p2},
|
|
"cpu,host=A#!~#bool": []tsm1.Value{p3, p3},
|
|
"cpu,host=A#!~#string": []tsm1.Value{p4, p4},
|
|
"cpu,host=A#!~#unsigned": []tsm1.Value{p5, p5},
|
|
}
|
|
|
|
w := &tsm1.WriteWALEntry{
|
|
Values: values,
|
|
}
|
|
|
|
b, err := w.MarshalBinary()
|
|
if err != nil {
|
|
t.Fatalf("unexpected error, got %v", err)
|
|
}
|
|
|
|
// Test every possible truncation of a write WAL entry
|
|
for i := 0; i < len(b); i++ {
|
|
// re-allocated to ensure capacity would be exceed if slicing
|
|
truncated := make([]byte, i)
|
|
copy(truncated, b[:i])
|
|
err := w.UnmarshalBinary(truncated)
|
|
if err != nil && err != tsm1.ErrWALCorrupt {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDeleteWALEntry_UnmarshalBinary(t *testing.T) {
|
|
examples := []struct {
|
|
In []string
|
|
Out [][]byte
|
|
}{
|
|
{
|
|
In: []string{""},
|
|
Out: nil,
|
|
},
|
|
{
|
|
In: []string{"foo"},
|
|
Out: [][]byte{[]byte("foo")},
|
|
},
|
|
{
|
|
In: []string{"foo", "bar"},
|
|
Out: [][]byte{[]byte("foo"), []byte("bar")},
|
|
},
|
|
{
|
|
In: []string{"foo", "bar", "z", "abc"},
|
|
Out: [][]byte{[]byte("foo"), []byte("bar"), []byte("z"), []byte("abc")},
|
|
},
|
|
{
|
|
In: []string{"foo", "bar", "z", "a"},
|
|
Out: [][]byte{[]byte("foo"), []byte("bar"), []byte("z"), []byte("a")},
|
|
},
|
|
}
|
|
|
|
for i, example := range examples {
|
|
w := &tsm1.DeleteWALEntry{Keys: slices.StringsToBytes(example.In...)}
|
|
b, err := w.MarshalBinary()
|
|
if err != nil {
|
|
t.Fatalf("[example %d] unexpected error, got %v", i, err)
|
|
}
|
|
|
|
out := &tsm1.DeleteWALEntry{}
|
|
if err := out.UnmarshalBinary(b); err != nil {
|
|
t.Fatalf("[example %d] %v", i, err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(example.Out, out.Keys) {
|
|
t.Errorf("[example %d] got %v, expected %v", i, out.Keys, example.Out)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWriteWALSegment_UnmarshalBinary_DeleteWALCorrupt(t *testing.T) {
|
|
w := &tsm1.DeleteWALEntry{
|
|
Keys: [][]byte{[]byte("foo"), []byte("bar")},
|
|
}
|
|
|
|
b, err := w.MarshalBinary()
|
|
if err != nil {
|
|
t.Fatalf("unexpected error, got %v", err)
|
|
}
|
|
|
|
// Test every possible truncation of a write WAL entry
|
|
for i := 0; i < len(b); i++ {
|
|
// re-allocated to ensure capacity would be exceed if slicing
|
|
truncated := make([]byte, i)
|
|
copy(truncated, b[:i])
|
|
err := w.UnmarshalBinary(truncated)
|
|
if err != nil && err != tsm1.ErrWALCorrupt {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestWriteWALSegment_UnmarshalBinary_DeleteRangeWALCorrupt(t *testing.T) {
|
|
w := &tsm1.DeleteRangeWALEntry{
|
|
Keys: [][]byte{[]byte("foo"), []byte("bar")},
|
|
Min: 1,
|
|
Max: 2,
|
|
}
|
|
|
|
b, err := w.MarshalBinary()
|
|
if err != nil {
|
|
t.Fatalf("unexpected error, got %v", err)
|
|
}
|
|
|
|
// Test every possible truncation of a write WAL entry
|
|
for i := 0; i < len(b); i++ {
|
|
// re-allocated to ensure capacity would be exceed if slicing
|
|
truncated := make([]byte, i)
|
|
copy(truncated, b[:i])
|
|
err := w.UnmarshalBinary(truncated)
|
|
if err != nil && err != tsm1.ErrWALCorrupt {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkWALSegmentWriter(b *testing.B) {
|
|
points := map[string][]tsm1.Value{}
|
|
for i := 0; i < 5000; i++ {
|
|
k := "cpu,host=A#!~#value"
|
|
points[k] = append(points[k], tsm1.NewValue(int64(i), 1.1))
|
|
}
|
|
|
|
dir := MustTempDir()
|
|
defer os.RemoveAll(dir)
|
|
|
|
f := MustTempFile(dir)
|
|
w := tsm1.NewWALSegmentWriter(f)
|
|
|
|
write := &tsm1.WriteWALEntry{
|
|
Values: points,
|
|
}
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
if err := w.Write(mustMarshalEntry(write)); err != nil {
|
|
b.Fatalf("unexpected error writing entry: %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkWALSegmentReader(b *testing.B) {
|
|
points := map[string][]tsm1.Value{}
|
|
for i := 0; i < 5000; i++ {
|
|
k := "cpu,host=A#!~#value"
|
|
points[k] = append(points[k], tsm1.NewValue(int64(i), 1.1))
|
|
}
|
|
|
|
dir := MustTempDir()
|
|
defer os.RemoveAll(dir)
|
|
|
|
f := MustTempFile(dir)
|
|
w := tsm1.NewWALSegmentWriter(f)
|
|
|
|
write := &tsm1.WriteWALEntry{
|
|
Values: points,
|
|
}
|
|
|
|
for i := 0; i < 100; i++ {
|
|
if err := w.Write(mustMarshalEntry(write)); err != nil {
|
|
b.Fatalf("unexpected error writing entry: %v", err)
|
|
}
|
|
}
|
|
|
|
r := tsm1.NewWALSegmentReader(f)
|
|
b.ResetTimer()
|
|
|
|
for i := 0; i < b.N; i++ {
|
|
b.StopTimer()
|
|
f.Seek(0, io.SeekStart)
|
|
b.StartTimer()
|
|
|
|
for r.Next() {
|
|
_, err := r.Read()
|
|
if err != nil {
|
|
b.Fatalf("unexpected error reading entry: %v", err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// MustReadFileSize returns the size of the file, or panics.
|
|
func MustReadFileSize(f *os.File) int64 {
|
|
stat, err := os.Stat(f.Name())
|
|
if err != nil {
|
|
panic(fmt.Sprintf("failed to get size of file at %s: %s", f.Name(), err.Error()))
|
|
}
|
|
return stat.Size()
|
|
}
|
|
|
|
func mustMarshalEntry(entry tsm1.WALEntry) (tsm1.WalEntryType, []byte) {
|
|
bytes := make([]byte, 1024<<2)
|
|
|
|
b, err := entry.Encode(bytes)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("error encoding: %v", err))
|
|
}
|
|
|
|
return entry.Type(), snappy.Encode(b, b)
|
|
}
|