influxdb/tsdb/engine/tsm1/reader_test.go

1440 lines
33 KiB
Go

package tsm1_test
import (
"fmt"
"io/ioutil"
"math"
"os"
"path/filepath"
"testing"
"github.com/influxdata/influxdb/tsdb/engine/tsm1"
)
func TestTSMReader_Type(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(0, int64(1))}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error opening: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
typ, err := r.Type("cpu")
if err != nil {
fatal(t, "reading type", err)
}
if got, exp := typ, tsm1.BlockInteger; got != exp {
t.Fatalf("type mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_ReadAll(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"float", []tsm1.Value{
tsm1.NewValue(1, 1.0)},
},
{"int", []tsm1.Value{
tsm1.NewValue(1, int64(1))},
},
{"bool", []tsm1.Value{
tsm1.NewValue(1, true)},
},
{"string", []tsm1.Value{
tsm1.NewValue(1, "foo")},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
var count int
for _, d := range data {
readValues, err := r.ReadAll(d.key)
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp := len(d.values); exp != len(readValues) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), exp)
}
for i, v := range d.values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
count++
}
if got, exp := count, len(data); got != exp {
t.Fatalf("read values count mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_Read(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"float", []tsm1.Value{
tsm1.NewValue(1, 1.0)},
},
{"int", []tsm1.Value{
tsm1.NewValue(1, int64(1))},
},
{"bool", []tsm1.Value{
tsm1.NewValue(1, true)},
},
{"string", []tsm1.Value{
tsm1.NewValue(1, "foo")},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
var count int
for _, d := range data {
readValues, err := r.Read(d.key, d.values[0].UnixNano())
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp := len(d.values); exp != len(readValues) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), exp)
}
for i, v := range d.values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
count++
}
if got, exp := count, len(data); got != exp {
t.Fatalf("read values count mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_Keys(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"float", []tsm1.Value{
tsm1.NewValue(1, 1.0)},
},
{"int", []tsm1.Value{
tsm1.NewValue(1, int64(1))},
},
{"bool", []tsm1.Value{
tsm1.NewValue(1, true)},
},
{"string", []tsm1.Value{
tsm1.NewValue(1, "foo")},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
var count int
for _, d := range data {
readValues, err := r.Read(d.key, d.values[0].UnixNano())
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp := len(d.values); exp != len(readValues) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), exp)
}
for i, v := range d.values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
count++
}
if got, exp := count, len(data); got != exp {
t.Fatalf("read values count mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_Tombstone(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(0, 1.0)}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.Write("mem", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
if err := r.Delete([]string{"mem"}); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
r, err = tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
if got, exp := r.KeyCount(), 1; got != exp {
t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_TombstoneRange(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
expValues := []tsm1.Value{
tsm1.NewValue(1, 1.0),
tsm1.NewValue(2, 2.0),
tsm1.NewValue(3, 3.0),
}
if err := w.Write("cpu", expValues); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
if err := r.DeleteRange([]string{"cpu"}, 2, math.MaxInt64); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
defer r.Close()
if got, exp := r.ContainsValue("cpu", 1), true; got != exp {
t.Fatalf("ContainsValue mismatch: got %v, exp %v", got, exp)
}
if got, exp := r.ContainsValue("cpu", 3), false; got != exp {
t.Fatalf("ContainsValue mismatch: got %v, exp %v", got, exp)
}
values, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error reading all: %v", err)
}
if got, exp := len(values), 1; got != exp {
t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
}
if got, exp := values[0].String(), expValues[0].String(); got != exp {
t.Fatalf("value mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_TombstoneFullRange(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
expValues := []tsm1.Value{
tsm1.NewValue(1, 1.0),
tsm1.NewValue(2, 2.0),
tsm1.NewValue(3, 3.0),
}
if err := w.Write("cpu", expValues); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
if err := r.DeleteRange([]string{"cpu"}, math.MinInt64, math.MaxInt64); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
defer r.Close()
values, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error reading all: %v", err)
}
if got, exp := len(values), 0; got != exp {
t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_TombstoneMultipleRanges(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
expValues := []tsm1.Value{
tsm1.NewValue(1, 1.0),
tsm1.NewValue(2, 2.0),
tsm1.NewValue(3, 3.0),
tsm1.NewValue(4, 4.0),
tsm1.NewValue(5, 5.0),
}
if err := w.Write("cpu", expValues); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
if err := r.DeleteRange([]string{"cpu"}, 2, 2); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
if err := r.DeleteRange([]string{"cpu"}, 4, 4); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
values, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error reading all: %v", err)
}
if got, exp := len(values), 3; got != exp {
t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_TombstoneOutsideRange(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
cpuValues := []tsm1.Value{
tsm1.NewValue(1, 1.0),
tsm1.NewValue(2, 2.0),
tsm1.NewValue(3, 3.0),
}
if err := w.Write("cpu", cpuValues); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
memValues := []tsm1.Value{
tsm1.NewValue(1, 1.0),
tsm1.NewValue(2, 2.0),
tsm1.NewValue(30, 3.0),
}
if err := w.Write("mem", memValues); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
if err := r.DeleteRange([]string{"cpu", "mem"}, 5, math.MaxInt64); err != nil {
t.Fatalf("unexpected error deleting: %v", err)
}
defer r.Close()
if got, exp := r.KeyCount(), 2; got != exp {
t.Fatalf("key count mismatch: got %v, exp %v", got, exp)
}
if got, exp := len(r.TombstoneRange("cpu")), 0; got != exp {
t.Fatalf("tombstone range mismatch: got %v, exp %v", got, exp)
}
values, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error reading all: %v", err)
}
if got, exp := len(values), len(cpuValues); got != exp {
t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
}
if got, exp := len(r.TombstoneRange("mem")), 1; got != exp {
t.Fatalf("tombstone range mismatch: got %v, exp %v", got, exp)
}
values, err = r.ReadAll("mem")
if err != nil {
t.Fatalf("unexpected error reading all: %v", err)
}
if got, exp := len(values), len(memValues[:2]); got != exp {
t.Fatalf("values length mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_MMAP_Stats(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values1 := []tsm1.Value{tsm1.NewValue(0, 1.0)}
if err := w.Write("cpu", values1); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
values2 := []tsm1.Value{tsm1.NewValue(1, 1.0)}
if err := w.Write("mem", values2); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
stats := r.Stats()
if got, exp := stats.MinKey, "cpu"; got != exp {
t.Fatalf("min key mismatch: got %v, exp %v", got, exp)
}
if got, exp := stats.MaxKey, "mem"; got != exp {
t.Fatalf("max key mismatch: got %v, exp %v", got, exp)
}
if got, exp := stats.MinTime, values1[0].UnixNano(); got != exp {
t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
}
if got, exp := stats.MaxTime, values2[0].UnixNano(); got != exp {
t.Fatalf("max time mismatch: got %v, exp %v", got, exp)
}
if got, exp := r.KeyCount(), 2; got != exp {
t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
}
}
// Ensure that we return an error if we try to open a non-tsm file
func TestTSMReader_VerifiesFileType(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
// write some garbage
f.Write([]byte{0x23, 0xac, 0x99, 0x22, 0x77, 0x23, 0xac, 0x99, 0x22, 0x77, 0x23, 0xac, 0x99, 0x22, 0x77, 0x23, 0xac, 0x99, 0x22, 0x77})
_, err := tsm1.NewTSMReader(f)
if err == nil {
t.Fatal("expected error trying to open non-tsm file")
}
}
func TestIndirectIndex_Entries(t *testing.T) {
index := tsm1.NewIndexWriter()
index.Add("cpu", tsm1.BlockFloat64, 0, 1, 10, 100)
index.Add("cpu", tsm1.BlockFloat64, 2, 3, 20, 200)
index.Add("mem", tsm1.BlockFloat64, 0, 1, 10, 100)
b, err := index.MarshalBinary()
if err != nil {
t.Fatalf("unexpected error marshaling index: %v", err)
}
indirect := tsm1.NewIndirectIndex()
if err := indirect.UnmarshalBinary(b); err != nil {
t.Fatalf("unexpected error unmarshaling index: %v", err)
}
exp := index.Entries("cpu")
entries := indirect.Entries("cpu")
if got, exp := len(entries), len(exp); got != exp {
t.Fatalf("entries length mismatch: got %v, exp %v", got, exp)
}
for i, exp := range exp {
got := entries[i]
if exp.MinTime != got.MinTime {
t.Fatalf("minTime mismatch: got %v, exp %v", got.MinTime, exp.MinTime)
}
if exp.MaxTime != got.MaxTime {
t.Fatalf("minTime mismatch: got %v, exp %v", got.MaxTime, exp.MaxTime)
}
if exp.Size != got.Size {
t.Fatalf("size mismatch: got %v, exp %v", got.Size, exp.Size)
}
if exp.Offset != got.Offset {
t.Fatalf("size mismatch: got %v, exp %v", got.Offset, exp.Offset)
}
}
}
func TestIndirectIndex_Entries_NonExistent(t *testing.T) {
index := tsm1.NewIndexWriter()
index.Add("cpu", tsm1.BlockFloat64, 0, 1, 10, 100)
index.Add("cpu", tsm1.BlockFloat64, 2, 3, 20, 200)
b, err := index.MarshalBinary()
if err != nil {
t.Fatalf("unexpected error marshaling index: %v", err)
}
indirect := tsm1.NewIndirectIndex()
if err := indirect.UnmarshalBinary(b); err != nil {
t.Fatalf("unexpected error unmarshaling index: %v", err)
}
// mem has not been added to the index so we should get no entries back
// for both
exp := index.Entries("mem")
entries := indirect.Entries("mem")
if got, exp := len(entries), len(exp); got != exp && exp != 0 {
t.Fatalf("entries length mismatch: got %v, exp %v", got, exp)
}
}
func TestIndirectIndex_MaxBlocks(t *testing.T) {
index := tsm1.NewIndexWriter()
for i := 0; i < 1<<16; i++ {
index.Add("cpu", tsm1.BlockFloat64, 0, 1, 10, 20)
}
if _, err := index.MarshalBinary(); err == nil {
t.Fatalf("expected max block count error. got nil")
} else {
println(err.Error())
}
}
func TestIndirectIndex_Type(t *testing.T) {
index := tsm1.NewIndexWriter()
index.Add("cpu", tsm1.BlockInteger, 0, 1, 10, 20)
b, err := index.MarshalBinary()
if err != nil {
t.Fatal(err)
}
ind := tsm1.NewIndirectIndex()
if err := ind.UnmarshalBinary(b); err != nil {
fatal(t, "unmarshal binary", err)
}
typ, err := ind.Type("cpu")
if err != nil {
fatal(t, "reading type", err)
}
if got, exp := typ, tsm1.BlockInteger; got != exp {
t.Fatalf("type mismatch: got %v, exp %v", got, exp)
}
}
func TestIndirectIndex_Keys(t *testing.T) {
index := tsm1.NewIndexWriter()
index.Add("cpu", tsm1.BlockFloat64, 0, 1, 10, 20)
index.Add("mem", tsm1.BlockFloat64, 0, 1, 10, 20)
index.Add("cpu", tsm1.BlockFloat64, 1, 2, 20, 30)
keys := index.Keys()
// 2 distinct keys
if got, exp := len(keys), 2; got != exp {
t.Fatalf("length mismatch: got %v, exp %v", got, exp)
}
// Keys should be sorted
if got, exp := keys[0], "cpu"; got != exp {
t.Fatalf("key mismatch: got %v, exp %v", got, exp)
}
if got, exp := keys[1], "mem"; got != exp {
t.Fatalf("key mismatch: got %v, exp %v", got, exp)
}
}
func TestBlockIterator_Single(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(0, int64(1))}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error opening: %v", err)
}
r, err := tsm1.NewTSMReader(fd)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
var count int
iter := r.BlockIterator()
for iter.Next() {
key, minTime, maxTime, _, buf, err := iter.Read()
if err != nil {
t.Fatalf("unexpected error creating iterator: %v", err)
}
if got, exp := key, "cpu"; got != exp {
t.Fatalf("key mismatch: got %v, exp %v", got, exp)
}
if got, exp := minTime, int64(0); got != exp {
t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
}
if got, exp := maxTime, int64(0); got != exp {
t.Fatalf("max time mismatch: got %v, exp %v", got, exp)
}
if len(buf) == 0 {
t.Fatalf("buf length = 0")
}
count++
}
if got, exp := count, len(values); got != exp {
t.Fatalf("value count mismatch: got %v, exp %v", got, exp)
}
}
func TestBlockIterator_MultipleBlocks(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values1 := []tsm1.Value{tsm1.NewValue(0, int64(1))}
if err := w.Write("cpu", values1); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
values2 := []tsm1.Value{tsm1.NewValue(1, int64(2))}
if err := w.Write("cpu", values2); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error opening: %v", err)
}
r, err := tsm1.NewTSMReader(fd)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
var count int
expData := []tsm1.Values{values1, values2}
iter := r.BlockIterator()
var i int
for iter.Next() {
key, minTime, maxTime, _, buf, err := iter.Read()
if err != nil {
t.Fatalf("unexpected error creating iterator: %v", err)
}
if got, exp := key, "cpu"; got != exp {
t.Fatalf("key mismatch: got %v, exp %v", got, exp)
}
if got, exp := minTime, expData[i][0].UnixNano(); got != exp {
t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
}
if got, exp := maxTime, expData[i][0].UnixNano(); got != exp {
t.Fatalf("max time mismatch: got %v, exp %v", got, exp)
}
if len(buf) == 0 {
t.Fatalf("buf length = 0")
}
count++
i++
}
if got, exp := count, 2; got != exp {
t.Fatalf("value count mismatch: got %v, exp %v", got, exp)
}
}
func TestBlockIterator_Sorted(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := map[string][]tsm1.Value{
"mem": []tsm1.Value{tsm1.NewValue(0, int64(1))},
"cpu": []tsm1.Value{tsm1.NewValue(1, float64(2))},
"disk": []tsm1.Value{tsm1.NewValue(1, true)},
"load": []tsm1.Value{tsm1.NewValue(1, "string")},
}
for k, v := range values {
if err := w.Write(k, v); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error opening: %v", err)
}
r, err := tsm1.NewTSMReader(fd)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
var count int
iter := r.BlockIterator()
var lastKey string
for iter.Next() {
key, _, _, _, buf, err := iter.Read()
if key < lastKey {
t.Fatalf("keys not sorted: got %v, last %v", key, lastKey)
}
lastKey = key
if err != nil {
t.Fatalf("unexpected error creating iterator: %v", err)
}
if len(buf) == 0 {
t.Fatalf("buf length = 0")
}
count++
}
if got, exp := count, len(values); got != exp {
t.Fatalf("value count mismatch: got %v, exp %v", got, exp)
}
}
func TestIndirectIndex_UnmarshalBinary_BlockCountOverflow(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
for i := 0; i < 3280; i++ {
w.Write("cpu", []tsm1.Value{tsm1.NewValue(int64(i), float64(i))})
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
}
func TestCompacted_NotFull(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(0, 1.0)}
if err := w.Write("cpu", values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
fd, err := os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(fd)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
iter := r.BlockIterator()
if !iter.Next() {
t.Fatalf("expected next, got false")
}
_, _, _, _, block, err := iter.Read()
if err != nil {
t.Fatalf("unexpected error reading block: %v", err)
}
if got, exp := tsm1.BlockCount(block), 1; got != exp {
t.Fatalf("block count mismatch: got %v, exp %v", got, exp)
}
}
func TestTSMReader_File_ReadAll(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"float", []tsm1.Value{
tsm1.NewValue(1, 1.0)},
},
{"int", []tsm1.Value{
tsm1.NewValue(1, int64(1))},
},
{"bool", []tsm1.Value{
tsm1.NewValue(1, true)},
},
{"string", []tsm1.Value{
tsm1.NewValue(1, "foo")},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
var count int
for _, d := range data {
readValues, err := r.ReadAll(d.key)
if err != nil {
t.Fatalf("unexpected error reading: %v", err)
}
if exp := len(d.values); exp != len(readValues) {
t.Fatalf("read values length mismatch: exp %v, got %v", exp, len(readValues))
}
for i, v := range d.values {
if exp, got := v.Value(), readValues[i].Value(); exp != got {
t.Fatalf("read value mismatch(%d): exp %v, got %d", i, v.Value(), readValues[i].Value())
}
}
count++
}
if exp, got := len(data), count; exp != got {
t.Fatalf("read values count mismatch: exp %v, got %v", exp, got)
}
}
func TestTSMReader_FuzzCrashes(t *testing.T) {
cases := []string{
"",
"\x16\xd1\x16\xd1\x01\x10\x14X\xfb\x03\xac~\x80\xf0\x00\x00\x00I^K" +
"_\xf0\x00\x00\x00D424259389w\xf0\x00\x00\x00" +
"o\x93\bO\x10?\xf0\x00\x00\x00\x00\b\x00\xc2_\xff\xd8\x0fX^" +
"/\xbf\xe8\x00\x00\x00\x00\x00\x01\x00\bctr#!~#n\x00" +
"\x00\x01\x14X\xfb\xb0\x03\xac~\x80\x14X\xfb\xb1\x00\xd4ܥ\x00\x00" +
"\x00\x00\x00\x00\x00\x05\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00E",
"\x16\xd1\x16\xd1\x01\x80'Z\\\x00\v)\x00\x00\x00\x00;\x9a\xca\x00" +
"\x01\x05\x10?\xf0\x00\x00\x00\x00\x00\x00\xc2_\xff\xd6\x1d\xd4&\xed\v" +
"\xc5\xf7\xfb\xc0\x00\x00\x00\x00\x00 \x00\x06a#!~#v\x00\x00" +
"\x01\x00\x00\x00\x00;\x9a\xca\x00\x00\x00\x00\x01*\x05\xf2\x00\x00\x00\x00" +
"\x00\x00\x00\x00\x00\x00\x00\x00\x002",
"\x16\xd1\x16\xd1\x01\x80\xf0\x00\x00\x00I^K_\xf0\x00\x00\x00D7" +
"\nw\xf0\x00\x00\x00o\x93\bO\x10?\xf0\x00\x00\x00\x00\x00\x00\xc2" +
"_\xff\x14X\xfb\xb0\x03\xac~\x80\x14X\xfb\xb1\x00\xd4ܥ\x00\x00" +
"\x00\x00\x00\x00\x00\x05\x00\x00\x00@\x00\x00\x00\x00\x00\x00\x00E",
"\x16\xd1\x16\xd1\x01000000000000000" +
"00000000000000000000" +
"0000000000\x00\x000\x00\x0100000" +
"000\x00\x00\x00\x00\x00\x00\x002",
"\x16\xd1\x16\xd1\x01",
"\x16\xd1\x16\xd1\x01\x00\x00o\x93\bO\x10?\xf0\x00\x00\x00\x00X^" +
"/\xbf\xe8\x00\x00\x00\x00\x00\x01\x00\bctr#!~#n\x00" +
"\x00\x01\x14X\xfb\xb0\x03\xac~\x80\x14X\xfb\xb1\x00\xd4ܥ\x00\x00" +
"\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00E",
}
for _, c := range cases {
func() {
dir := MustTempDir()
defer os.RemoveAll(dir)
filename := filepath.Join(dir, "x.tsm")
if err := ioutil.WriteFile(filename, []byte(c), 0600); err != nil {
t.Fatalf("exp no error, got %s", err)
}
defer os.RemoveAll(dir)
f, err := os.Open(filename)
if err != nil {
t.Fatalf("exp no error, got %s", err)
}
defer f.Close()
r, err := tsm1.NewTSMReader(f)
if err != nil {
return
}
defer r.Close()
iter := r.BlockIterator()
for iter.Next() {
key, _, _, _, _, err := iter.Read()
if err != nil {
return
}
_, _ = r.Type(key)
if _, err = r.ReadAll(key); err != nil {
return
}
}
}()
}
}
func TestTSMReader_File_Read(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"float", []tsm1.Value{
tsm1.NewValue(1, 1.0)},
},
{"int", []tsm1.Value{
tsm1.NewValue(1, int64(1))},
},
{"bool", []tsm1.Value{
tsm1.NewValue(1, true)},
},
{"string", []tsm1.Value{
tsm1.NewValue(1, "foo")},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
var count int
for _, d := range data {
readValues, err := r.Read(d.key, d.values[0].UnixNano())
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp, got := len(d.values), len(readValues); exp != got {
t.Fatalf("read values length mismatch: exp %v, got %v", exp, len(readValues))
}
for i, v := range d.values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): exp %v, got %d", i, v.Value(), readValues[i].Value())
}
}
count++
}
if exp, got := count, len(data); exp != got {
t.Fatalf("read values count mismatch: exp %v, got %v", exp, got)
}
}
func TestTSMReader_References(t *testing.T) {
dir := MustTempDir()
defer os.RemoveAll(dir)
f := MustTempFile(dir)
defer f.Close()
w, err := tsm1.NewTSMWriter(f)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"float", []tsm1.Value{
tsm1.NewValue(1, 1.0)},
},
{"int", []tsm1.Value{
tsm1.NewValue(1, int64(1))},
},
{"bool", []tsm1.Value{
tsm1.NewValue(1, true)},
},
{"string", []tsm1.Value{
tsm1.NewValue(1, "foo")},
},
}
for _, d := range data {
if err := w.Write(d.key, d.values); err != nil {
t.Fatalf("unexpected error writing: %v", err)
}
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpected error writing index: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
f, err = os.Open(f.Name())
if err != nil {
t.Fatalf("unexpected error open file: %v", err)
}
r, err := tsm1.NewTSMReader(f)
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
r.Ref()
if err := r.Close(); err != tsm1.ErrFileInUse {
t.Fatalf("expected error closing reader: %v", err)
}
if err := r.Remove(); err != tsm1.ErrFileInUse {
t.Fatalf("expected error removing reader: %v", err)
}
var count int
for _, d := range data {
readValues, err := r.Read(d.key, d.values[0].UnixNano())
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp, got := len(d.values), len(readValues); exp != got {
t.Fatalf("read values length mismatch: exp %v, got %v", exp, len(readValues))
}
for i, v := range d.values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): exp %v, got %d", i, v.Value(), readValues[i].Value())
}
}
count++
}
if exp, got := count, len(data); exp != got {
t.Fatalf("read values count mismatch: exp %v, got %v", exp, got)
}
r.Unref()
if err := r.Close(); err != nil {
t.Fatalf("unexpected error closing reader: %v", err)
}
if err := r.Remove(); err != nil {
t.Fatalf("unexpected error removing reader: %v", err)
}
}
func BenchmarkIndirectIndex_UnmarshalBinary(b *testing.B) {
index := tsm1.NewIndexWriter()
for i := 0; i < 100000; i++ {
index.Add(fmt.Sprintf("cpu-%d", i), tsm1.BlockFloat64, int64(i*2), int64(i*2+1), 10, 100)
}
bytes, err := index.MarshalBinary()
if err != nil {
b.Fatalf("unexpected error marshaling index: %v", err)
}
indirect := tsm1.NewIndirectIndex()
b.ResetTimer()
for i := 0; i < b.N; i++ {
if err := indirect.UnmarshalBinary(bytes); err != nil {
b.Fatalf("unexpected error unmarshaling index: %v", err)
}
}
}