本文整理汇总了Golang中github.com/influxdb/influxdb/tsdb/engine/tsm1.NewTSMWriter函数的典型用法代码示例。如果您正苦于以下问题:Golang NewTSMWriter函数的具体用法?Golang NewTSMWriter怎么用?Golang NewTSMWriter使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了NewTSMWriter函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: newFiles
func newFiles(values ...keyValues) ([]tsm1.TSMFile, error) {
var files []tsm1.TSMFile
for _, v := range values {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
return nil, err
}
if err := w.Write(v.key, v.values); err != nil {
return nil, err
}
if err := w.WriteIndex(); err != nil {
return nil, err
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
return nil, err
}
files = append(files, r)
}
return files, nil
}
示例2: TestTSMReader_Type
func TestTSMReader_Type(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(time.Unix(0, 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)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
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.BlockInt64; got != exp {
t.Fatalf("type mismatch: got %v, exp %v", got, exp)
}
}
示例3: MustWriteTSM
func MustWriteTSM(dir string, gen int, values map[string][]tsm1.Value) string {
f := MustTempFile(dir)
newName := filepath.Join(filepath.Dir(f.Name()), tsmFileName(gen))
if err := os.Rename(f.Name(), newName); err != nil {
panic(fmt.Sprintf("create tsm file: %v", err))
}
w, err := tsm1.NewTSMWriter(f)
if err != nil {
panic(fmt.Sprintf("create TSM writer: %v", err))
}
for k, v := range values {
if err := w.Write(k, v); err != nil {
panic(fmt.Sprintf("write TSM value: %v", err))
}
}
if err := w.WriteIndex(); err != nil {
panic(fmt.Sprintf("write TSM index: %v", err))
}
if err := w.Close(); err != nil {
panic(fmt.Sprintf("write TSM close: %v", err))
}
return newName
}
示例4: newFileDir
func newFileDir(dir string, values ...keyValues) ([]string, error) {
var files []string
id := 1
for _, v := range values {
f := MustTempFile(dir)
w, err := tsm1.NewTSMWriter(f)
if err != nil {
return nil, err
}
if err := w.Write(v.key, v.values); err != nil {
return nil, err
}
if err := w.WriteIndex(); err != nil {
return nil, err
}
if err := f.Close(); err != nil {
return nil, err
}
newName := filepath.Join(filepath.Dir(f.Name()), tsmFileName(id))
if err := os.Rename(f.Name(), newName); err != nil {
return nil, err
}
id++
files = append(files, newName)
}
return files, nil
}
示例5: TestTSMReader_MMAP_Tombstone
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(time.Unix(0, 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.NewTSMReaderWithOptions(
tsm1.TSMReaderOptions{
MMAPFile: 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.NewTSMReaderWithOptions(
tsm1.TSMReaderOptions{
MMAPFile: f,
})
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
defer r.Close()
if got, exp := len(r.Keys()), 1; got != exp {
t.Fatalf("key length mismatch: got %v, exp %v", got, exp)
}
}
示例6: TestBlockIterator_Single
func TestBlockIterator_Single(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(time.Unix(0, 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)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
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, time.Unix(0, 0); got != exp {
t.Fatalf("min time mismatch: got %v, exp %v", got, exp)
}
if got, exp := maxTime, time.Unix(0, 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)
}
}
示例7: TestTSMWriter_Write_SameKey
// Tests that writing keys in reverse is able to read them back.
func TestTSMWriter_Write_SameKey(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
var data = []struct {
key string
values []tsm1.Value
}{
{"cpu", []tsm1.Value{
tsm1.NewValue(time.Unix(0, 0), 1.0),
tsm1.NewValue(time.Unix(1, 0), 2.0)},
},
{"cpu", []tsm1.Value{
tsm1.NewValue(time.Unix(2, 0), 3.0),
tsm1.NewValue(time.Unix(3, 0), 4.0)},
},
}
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 closing: %v", err)
}
if err := w.Close(); err != nil {
t.Fatalf("unexpected error closing: %v", err)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
values := append(data[0].values, data[1].values...)
readValues, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if exp := len(values); exp != len(readValues) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), exp)
}
for i, v := range values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
}
示例8: TestBlockIterator_Sorted
func TestBlockIterator_Sorted(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := map[string][]tsm1.Value{
"mem": []tsm1.Value{tsm1.NewValue(time.Unix(0, 0), int64(1))},
"cpu": []tsm1.Value{tsm1.NewValue(time.Unix(1, 0), float64(2))},
"disk": []tsm1.Value{tsm1.NewValue(time.Unix(1, 0), true)},
"load": []tsm1.Value{tsm1.NewValue(time.Unix(1, 0), "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)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
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)
}
}
示例9: TestTSMWriter_Write_Empty
func TestTSMWriter_Write_Empty(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error created writer: %v", err)
}
if err := w.WriteIndex(); err != tsm1.ErrNoValues {
t.Fatalf("unexpected error closing: %v", err)
}
if got, exp := len(b.Bytes()), 0; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
}
示例10: TestTSMWriter_Write_Single
func TestTSMWriter_Write_Single(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
values := []tsm1.Value{tsm1.NewValue(time.Unix(0, 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)
}
if got, exp := len(b.Bytes()), 5; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
if got := binary.BigEndian.Uint32(b.Bytes()[0:4]); got != tsm1.MagicNumber {
t.Fatalf("magic number mismatch: got %v, exp %v", got, tsm1.MagicNumber)
}
r, err := tsm1.NewTSMReader(bytes.NewReader(b.Bytes()))
if err != nil {
t.Fatalf("unexpected error created reader: %v", err)
}
readValues, err := r.ReadAll("cpu")
if err != nil {
t.Fatalf("unexpected error readin: %v", err)
}
if len(readValues) != len(values) {
t.Fatalf("read values length mismatch: got %v, exp %v", len(readValues), len(values))
}
for i, v := range values {
if v.Value() != readValues[i].Value() {
t.Fatalf("read value mismatch(%d): got %v, exp %d", i, readValues[i].Value(), v.Value())
}
}
}
示例11: nextTSMWriter
// nextTSMWriter returns the next TSMWriter for the Converter.
func (c *Converter) nextTSMWriter() (tsm1.TSMWriter, error) {
c.generation++
fileName := filepath.Join(c.path, fmt.Sprintf("%09d-%09d.%s", c.generation, 0, tsm1.TSMFileExtension))
fd, err := os.OpenFile(fileName, os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
return nil, err
}
// Create the writer for the new TSM file.
w, err := tsm1.NewTSMWriter(fd)
if err != nil {
return nil, err
}
return w, nil
}
示例12: TestTSMWriter_Write_Empty
func TestTSMWriter_Write_Empty(t *testing.T) {
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error created writer: %v", err)
}
if err := w.WriteIndex(); err != nil {
t.Fatalf("unexpeted error closing: %v", err)
}
if got, exp := len(b.Bytes()), 5; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
if got := binary.BigEndian.Uint32(b.Bytes()[0:4]); got != tsm1.MagicNumber {
t.Fatalf("magic number mismatch: got %v, exp %v", got, tsm1.MagicNumber)
}
}
示例13: nextTSMWriter
// nextTSMWriter returns the next TSMWriter for the Converter.
func (c *Converter) nextTSMWriter() (tsm1.TSMWriter, error) {
c.sequence++
fileName := filepath.Join(c.path, fmt.Sprintf("%09d-%09d.%s", 1, c.sequence, tsm1.TSMFileExtension))
fd, err := os.OpenFile(fileName, os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
return nil, err
}
// Create the writer for the new TSM file.
w, err := tsm1.NewTSMWriter(fd)
if err != nil {
return nil, err
}
atomic.AddUint64(&TsmFilesCreated, 1)
return w, nil
}
示例14: MustWriteTSM
func MustWriteTSM(dir string, gen int, values map[string][]tsm1.Value) string {
f := MustTempFile(dir)
oldName := f.Name()
// Windows can't rename a file while it's open. Close first, rename and
// then re-open
if err := f.Close(); err != nil {
panic(fmt.Sprintf("close temp file: %v", err))
}
newName := filepath.Join(filepath.Dir(oldName), tsmFileName(gen))
if err := os.Rename(oldName, newName); err != nil {
panic(fmt.Sprintf("create tsm file: %v", err))
}
var err error
f, err = os.OpenFile(newName, os.O_RDWR, 0666)
if err != nil {
panic(fmt.Sprintf("open tsm files: %v", err))
}
w, err := tsm1.NewTSMWriter(f)
if err != nil {
panic(fmt.Sprintf("create TSM writer: %v", err))
}
for k, v := range values {
if err := w.Write(k, v); err != nil {
panic(fmt.Sprintf("write TSM value: %v", err))
}
}
if err := w.WriteIndex(); err != nil {
panic(fmt.Sprintf("write TSM index: %v", err))
}
if err := w.Close(); err != nil {
panic(fmt.Sprintf("write TSM close: %v", err))
}
return newName
}
示例15: TestTSMWriter_WriteBlock_Empty
func TestTSMWriter_WriteBlock_Empty(t *testing.T) {
// Write a new TSM file
var b bytes.Buffer
w, err := tsm1.NewTSMWriter(&b)
if err != nil {
t.Fatalf("unexpected error creating writer: %v", err)
}
if err := w.WriteBlock("cpu", time.Unix(0, 0), time.Unix(0, 0), nil); err != nil {
t.Fatalf("unexpected error writing block: %v", err)
}
if err := w.WriteIndex(); err != tsm1.ErrNoValues {
t.Fatalf("unexpected error closing: %v", err)
}
if got, exp := len(b.Bytes()), 0; got < exp {
t.Fatalf("file size mismatch: got %v, exp %v", got, exp)
}
}