This is an automated email from the ASF dual-hosted git repository.
wusheng pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/skywalking-banyandb.git
The following commit(s) were added to refs/heads/main by this push:
new 30ef8c7d Add sequential writer for merging (#372)
30ef8c7d is described below
commit 30ef8c7d4a6d9b2e981140cf43fc15609fe0d71e
Author: Gao Hongtao <hanahm...@gmail.com>
AuthorDate: Wed Jan 17 17:36:54 2024 +0800
Add sequential writer for merging (#372)
---
banyand/internal/storage/index.go | 18 +-
banyand/internal/storage/index_test.go | 4 +-
banyand/internal/storage/tsdb.go | 15 +-
banyand/measure/block.go | 15 +
banyand/measure/block_reader.go | 7 +-
banyand/measure/block_test.go | 11 +-
banyand/measure/block_writer.go | 16 +-
banyand/measure/column_test.go | 3 +-
banyand/measure/merger.go | 9 +-
banyand/measure/metadata.go | 13 +-
banyand/measure/primary_metadata.go | 4 +-
pkg/bytes/buffer.go | 14 +-
pkg/fs/file_system.go | 24 +-
pkg/fs/local_file_system.go | 82 +++++-
pkg/fs/local_file_system_test.go | 3 +-
pkg/index/index.go | 8 +-
pkg/index/inverted/inverted.go | 32 ++-
pkg/index/inverted/inverted_series_test.go | 8 +-
pkg/index/lsm/lsm.go | 2 +-
.../query_ondisk/query_ondisk_suite_test.go | 1 +
test/stress/cases/istio/report.md | 76 ++---
test/stress/cases/istio/testdata/metrics/data.csv | 312 ++++++++++-----------
.../cases/istio/testdata/metrics/intermediate.csv | 18 +-
.../stress/cases/istio/testdata/metrics/result.csv | 28 +-
24 files changed, 442 insertions(+), 281 deletions(-)
diff --git a/banyand/internal/storage/index.go
b/banyand/internal/storage/index.go
index 11d35f9e..bf50a0c8 100644
--- a/banyand/internal/storage/index.go
+++ b/banyand/internal/storage/index.go
@@ -46,14 +46,15 @@ type seriesIndex struct {
l *logger.Logger
}
-func newSeriesIndex(ctx context.Context, root string) (*seriesIndex, error) {
+func newSeriesIndex(ctx context.Context, root string, flushTimeoutSeconds
int64) (*seriesIndex, error) {
si := &seriesIndex{
l: logger.Fetch(ctx, "series_index"),
}
var err error
if si.store, err = inverted.NewStore(inverted.StoreOpts{
- Path: path.Join(root, "idx"),
- Logger: si.l,
+ Path: path.Join(root, "idx"),
+ Logger: si.l,
+ BatchWaitSec: flushTimeoutSeconds,
}); err != nil {
return nil, err
}
@@ -61,7 +62,16 @@ func newSeriesIndex(ctx context.Context, root string)
(*seriesIndex, error) {
}
func (s *seriesIndex) Write(docs index.Documents) error {
- return s.store.Batch(docs)
+ applied := make(chan struct{})
+ err := s.store.Batch(index.Batch{
+ Documents: docs,
+ Applied: applied,
+ })
+ if err != nil {
+ return err
+ }
+ <-applied
+ return nil
}
var rangeOpts = index.RangeOpts{}
diff --git a/banyand/internal/storage/index_test.go
b/banyand/internal/storage/index_test.go
index f1fd0a42..4f26c67f 100644
--- a/banyand/internal/storage/index_test.go
+++ b/banyand/internal/storage/index_test.go
@@ -38,7 +38,7 @@ var testSeriesPool pbv1.SeriesPool
func TestSeriesIndex_Primary(t *testing.T) {
ctx := context.Background()
path, fn := setUp(require.New(t))
- si, err := newSeriesIndex(ctx, path)
+ si, err := newSeriesIndex(ctx, path, 0)
require.NoError(t, err)
defer func() {
require.NoError(t, si.Close())
@@ -69,7 +69,7 @@ func TestSeriesIndex_Primary(t *testing.T) {
require.NoError(t, si.Write(docs))
// Restart the index
require.NoError(t, si.Close())
- si, err = newSeriesIndex(ctx, path)
+ si, err = newSeriesIndex(ctx, path, 0)
require.NoError(t, err)
tests := []struct {
name string
diff --git a/banyand/internal/storage/tsdb.go b/banyand/internal/storage/tsdb.go
index 16b5fb09..2166d355 100644
--- a/banyand/internal/storage/tsdb.go
+++ b/banyand/internal/storage/tsdb.go
@@ -44,12 +44,13 @@ const (
// TSDBOpts wraps options to create a tsdb.
type TSDBOpts[T TSTable, O any] struct {
- Option O
- TSTableCreator TSTableCreator[T, O]
- Location string
- SegmentInterval IntervalRule
- TTL IntervalRule
- ShardNum uint32
+ Option O
+ TSTableCreator TSTableCreator[T, O]
+ Location string
+ SegmentInterval IntervalRule
+ TTL IntervalRule
+ ShardNum uint32
+ SeriesIndexFlushTimeoutSeconds int64
}
type (
@@ -92,7 +93,7 @@ func OpenTSDB[T TSTable, O any](ctx context.Context, opts
TSDBOpts[T, O]) (TSDB[
p := common.GetPosition(ctx)
location := filepath.Clean(opts.Location)
lfs.MkdirIfNotExist(location, dirPerm)
- si, err := newSeriesIndex(ctx, location)
+ si, err := newSeriesIndex(ctx, location,
opts.SeriesIndexFlushTimeoutSeconds)
if err != nil {
return nil, errors.Wrap(errOpenDatabase,
errors.WithMessage(err, "create series index failed").Error())
}
diff --git a/banyand/measure/block.go b/banyand/measure/block.go
index 7da65663..7d29a76d 100644
--- a/banyand/measure/block.go
+++ b/banyand/measure/block.go
@@ -748,3 +748,18 @@ func (bi *blockPointer) reset() {
bi.block.reset()
bi.bm = blockMetadata{}
}
+
+func generateBlockPointer() *blockPointer {
+ v := blockPointerPool.Get()
+ if v == nil {
+ return &blockPointer{}
+ }
+ return v.(*blockPointer)
+}
+
+func releaseBlockPointer(bi *blockPointer) {
+ bi.reset()
+ blockPointerPool.Put(bi)
+}
+
+var blockPointerPool sync.Pool
diff --git a/banyand/measure/block_reader.go b/banyand/measure/block_reader.go
index 219d0a94..eb221eef 100644
--- a/banyand/measure/block_reader.go
+++ b/banyand/measure/block_reader.go
@@ -30,13 +30,16 @@ import (
)
type seqReader struct {
- sr io.Reader
+ sr fs.SeqReader
r fs.Reader
bytesRead uint64
}
func (sr *seqReader) reset() {
sr.r = nil
+ if sr.sr != nil {
+ fs.MustClose(sr.sr)
+ }
sr.sr = nil
sr.bytesRead = 0
}
@@ -47,7 +50,7 @@ func (sr *seqReader) Path() string {
func (sr *seqReader) init(r fs.Reader) {
sr.reset()
- sr.sr = r.StreamRead()
+ sr.sr = r.SequentialRead()
sr.r = r
}
diff --git a/banyand/measure/block_test.go b/banyand/measure/block_test.go
index b51e33c2..2431b735 100644
--- a/banyand/measure/block_test.go
+++ b/banyand/measure/block_test.go
@@ -264,7 +264,9 @@ func Test_mustWriteAndReadTimestamps(t *testing.T) {
}()
tm := ×tampsMetadata{}
b := &bytes.Buffer{}
- mustWriteTimestampsTo(tm, tt.args, &writer{w: b})
+ w := new(writer)
+ w.init(b)
+ mustWriteTimestampsTo(tm, tt.args, w)
timestamps := mustReadTimestampsFrom(nil, tm,
len(tt.args), b)
if !reflect.DeepEqual(timestamps, tt.args) {
t.Errorf("mustReadTimestampsFrom() = %v, want
%v", timestamps, tt.args)
@@ -349,14 +351,17 @@ func Test_marshalAndUnmarshalTagFamily(t *testing.T) {
func Test_marshalAndUnmarshalBlock(t *testing.T) {
timestampBuffer, fieldBuffer := &bytes.Buffer{}, &bytes.Buffer{}
+ timestampWriter, fieldWriter := &writer{}, &writer{}
+ timestampWriter.init(timestampBuffer)
+ fieldWriter.init(fieldBuffer)
ww := &writers{
mustCreateTagFamilyWriters: func(name string) (fs.Writer,
fs.Writer) {
return &bytes.Buffer{}, &bytes.Buffer{}
},
tagFamilyMetadataWriters: make(map[string]*writer),
tagFamilyWriters: make(map[string]*writer),
- timestampsWriter: writer{w: timestampBuffer},
- fieldValuesWriter: writer{w: fieldBuffer},
+ timestampsWriter: *timestampWriter,
+ fieldValuesWriter: *fieldWriter,
}
p := &part{
primary: &bytes.Buffer{},
diff --git a/banyand/measure/block_writer.go b/banyand/measure/block_writer.go
index 35d8d3ca..8f97c066 100644
--- a/banyand/measure/block_writer.go
+++ b/banyand/measure/block_writer.go
@@ -28,12 +28,14 @@ import (
)
type writer struct {
+ sw fs.SeqWriter
w fs.Writer
bytesWritten uint64
}
func (w *writer) reset() {
w.w = nil
+ w.sw = nil
w.bytesWritten = 0
}
@@ -41,14 +43,16 @@ func (w *writer) init(wc fs.Writer) {
w.reset()
w.w = wc
+ w.sw = wc.SequentialWrite()
}
func (w *writer) MustWrite(data []byte) {
- fs.MustWriteData(w.w, data)
+ fs.MustWriteData(w.sw, data)
w.bytesWritten += uint64(len(data))
}
func (w *writer) MustClose() {
+ fs.MustClose(w.sw)
fs.MustClose(w.w)
w.reset()
}
@@ -115,12 +119,10 @@ func (sw *writers)
getColumnMetadataWriterAndColumnWriter(columnName string) (*w
return chw, cw
}
hw, w := sw.mustCreateTagFamilyWriters(columnName)
- chw = &writer{
- w: hw,
- }
- cw = &writer{
- w: w,
- }
+ chw = new(writer)
+ chw.init(hw)
+ cw = new(writer)
+ cw.init(w)
sw.tagFamilyMetadataWriters[columnName] = chw
sw.tagFamilyWriters[columnName] = cw
return chw, cw
diff --git a/banyand/measure/column_test.go b/banyand/measure/column_test.go
index ecf7752f..502d9d4e 100644
--- a/banyand/measure/column_test.go
+++ b/banyand/measure/column_test.go
@@ -64,7 +64,8 @@ func TestColumn_mustWriteTo_mustReadValues(t *testing.T) {
cm := &columnMetadata{}
buf := &bytes.Buffer{}
- w := &writer{w: buf}
+ w := &writer{}
+ w.init(buf)
original.mustWriteTo(cm, w)
assert.Equal(t, w.bytesWritten, cm.size)
assert.Equal(t, uint64(len(buf.Buf)), cm.size)
diff --git a/banyand/measure/merger.go b/banyand/measure/merger.go
index 1f03ca1e..efaa99a9 100644
--- a/banyand/measure/merger.go
+++ b/banyand/measure/merger.go
@@ -239,7 +239,8 @@ var errClosed = fmt.Errorf("the merger is closed")
func mergeBlocks(closeCh <-chan struct{}, bw *blockWriter, br *blockReader)
(*partMetadata, error) {
pendingBlockIsEmpty := true
- pendingBlock := &blockPointer{}
+ pendingBlock := generateBlockPointer()
+ defer releaseBlockPointer(pendingBlock)
var tmpBlock, tmpBlock2 *blockPointer
var decoder *encoding.BytesBlockDecoder
getDecoder := func() *encoding.BytesBlockDecoder {
@@ -280,7 +281,8 @@ func mergeBlocks(closeCh <-chan struct{}, bw *blockWriter,
br *blockReader) (*pa
}
if tmpBlock == nil {
- tmpBlock = &blockPointer{}
+ tmpBlock = generateBlockPointer()
+ defer releaseBlockPointer(tmpBlock)
}
tmpBlock.reset()
tmpBlock.bm.seriesID = b.bm.seriesID
@@ -304,7 +306,8 @@ func mergeBlocks(closeCh <-chan struct{}, bw *blockWriter,
br *blockReader) (*pa
l := tmpBlock.idx
tmpBlock.idx = 0
if tmpBlock2 == nil {
- tmpBlock2 = &blockPointer{}
+ tmpBlock2 = generateBlockPointer()
+ defer releaseBlockPointer(tmpBlock2)
}
tmpBlock2.reset()
tmpBlock2.append(tmpBlock, l)
diff --git a/banyand/measure/metadata.go b/banyand/measure/metadata.go
index 14c940d6..26e7aa40 100644
--- a/banyand/measure/metadata.go
+++ b/banyand/measure/metadata.go
@@ -346,12 +346,13 @@ func (s *supplier) ResourceSchema(md *commonv1.Metadata)
(resourceSchema.Resourc
func (s *supplier) OpenDB(groupSchema *commonv1.Group) (io.Closer, error) {
opts := storage.TSDBOpts[*tsTable, option]{
- ShardNum: groupSchema.ResourceOpts.ShardNum,
- Location: path.Join(s.path, groupSchema.Metadata.Name),
- TSTableCreator: newTSTable,
- SegmentInterval:
storage.MustToIntervalRule(groupSchema.ResourceOpts.SegmentInterval),
- TTL:
storage.MustToIntervalRule(groupSchema.ResourceOpts.Ttl),
- Option: s.option,
+ ShardNum:
groupSchema.ResourceOpts.ShardNum,
+ Location: path.Join(s.path,
groupSchema.Metadata.Name),
+ TSTableCreator: newTSTable,
+ SegmentInterval:
storage.MustToIntervalRule(groupSchema.ResourceOpts.SegmentInterval),
+ TTL:
storage.MustToIntervalRule(groupSchema.ResourceOpts.Ttl),
+ Option: s.option,
+ SeriesIndexFlushTimeoutSeconds:
s.option.flushTimeout.Nanoseconds() / int64(time.Second),
}
name := groupSchema.Metadata.Name
return storage.OpenTSDB(
diff --git a/banyand/measure/primary_metadata.go
b/banyand/measure/primary_metadata.go
index ed3e4a82..612ec252 100644
--- a/banyand/measure/primary_metadata.go
+++ b/banyand/measure/primary_metadata.go
@@ -83,10 +83,12 @@ func (ph *primaryBlockMetadata) unmarshal(src []byte)
([]byte, error) {
}
func mustReadPrimaryBlockMetadata(dst []primaryBlockMetadata, r fs.Reader)
[]primaryBlockMetadata {
- data, err := io.ReadAll(r.StreamRead())
+ sr := r.SequentialRead()
+ data, err := io.ReadAll(sr)
if err != nil {
logger.Panicf("cannot read primaryBlockMetadata entries from
%s: %s", r.Path(), err)
}
+ fs.MustClose(sr)
bb := bigValuePool.Generate()
bb.Buf, err = zstd.Decompress(bb.Buf[:0], data)
diff --git a/pkg/bytes/buffer.go b/pkg/bytes/buffer.go
index be4db36b..c55c2a33 100644
--- a/pkg/bytes/buffer.go
+++ b/pkg/bytes/buffer.go
@@ -62,11 +62,16 @@ func (b *Buffer) Read(offset int64, buffer []byte) (int,
error) {
return n, err
}
-// StreamRead implements fs.Reader.
-func (b *Buffer) StreamRead() io.Reader {
+// SequentialRead implements fs.Reader.
+func (b *Buffer) SequentialRead() fs.SeqReader {
return &reader{bb: b}
}
+// SequentialWrite implements fs.Writer.
+func (b *Buffer) SequentialWrite() fs.SeqWriter {
+ return b
+}
+
// Reset resets the buffer.
func (b *Buffer) Reset() {
b.Buf = b.Buf[:0]
@@ -97,6 +102,11 @@ func (r *reader) MustClose() {
r.readOffset = 0
}
+func (r *reader) Close() error {
+ r.MustClose()
+ return nil
+}
+
// BufferPool is a pool of Buffer.
type BufferPool struct {
p sync.Pool
diff --git a/pkg/fs/file_system.go b/pkg/fs/file_system.go
index 4efca46d..a2ed0950 100644
--- a/pkg/fs/file_system.go
+++ b/pkg/fs/file_system.go
@@ -29,22 +29,38 @@ const moduleName string = "filesystem"
// Mode contains permission of file and directory.
type Mode uint64
+// SeqWriter allows writing data to a file in a sequential way.
+type SeqWriter interface {
+ io.Writer
+ Path() string
+ Close() error
+}
+
// Writer allows writing data to a file.
type Writer interface {
// Append mode, which adds new data to the end of a file.
Write(buffer []byte) (int, error)
+ // SequentialWrite mode, which supports appending consecutive buffers
to the end of the file.
+ SequentialWrite() SeqWriter
// Returns the absolute path of the file.
Path() string
// Close File.
Close() error
}
+// SeqReader allows reading data from a file in a sequential way.
+type SeqReader interface {
+ io.Reader
+ Path() string
+ Close() error
+}
+
// Reader allows reading data from a file.
type Reader interface {
- // Read the entire file using streaming read.
+ // Read the entire file at a specified offset.
Read(offset int64, buffer []byte) (int, error)
- // Read the entire file using streaming read.
- StreamRead() io.Reader
+ // Read the entire file using sequential read.
+ SequentialRead() SeqReader
// Returns the absolute path of the file.
Path() string
// Close File.
@@ -135,7 +151,7 @@ func MustFlush(fs FileSystem, buffer []byte, name string,
permission Mode) {
}
// MustWriteData writes data to w and panics if it cannot write all data.
-func MustWriteData(w Writer, data []byte) {
+func MustWriteData(w SeqWriter, data []byte) {
if len(data) == 0 {
return
}
diff --git a/pkg/fs/local_file_system.go b/pkg/fs/local_file_system.go
index b3438265..7a8b1904 100644
--- a/pkg/fs/local_file_system.go
+++ b/pkg/fs/local_file_system.go
@@ -25,6 +25,7 @@ import (
"io"
"os"
"path/filepath"
+ "sync"
"time"
"github.com/shirou/gopsutil/v3/disk"
@@ -32,6 +33,8 @@ import (
"github.com/apache/skywalking-banyandb/pkg/logger"
)
+const defaultIOSize = 256 * 1024
+
// localFileSystem implements the File System interface.
type localFileSystem struct {
logger *logger.Logger
@@ -347,6 +350,12 @@ func (file *LocalFile) Writev(iov *[][]byte) (int, error) {
return size, nil
}
+// SequentialWrite supports appending consecutive buffers to the end of the
file.
+func (file *LocalFile) SequentialWrite() SeqWriter {
+ writer := generateWriter(file.file)
+ return &seqWriter{writer: writer, fileName: file.file.Name()}
+}
+
// Read is used to read a specified location of file.
func (file *LocalFile) Read(offset int64, buffer []byte) (int, error) {
rsize, err := file.file.ReadAt(buffer, offset)
@@ -373,9 +382,9 @@ func (file *LocalFile) Readv(offset int64, iov *[][]byte)
(int, error) {
return size, nil
}
-// StreamRead is used to read the entire file using streaming read.
-func (file *LocalFile) StreamRead() io.Reader {
- reader := bufio.NewReader(file.file)
+// SequentialRead is used to read the entire file using streaming read.
+func (file *LocalFile) SequentialRead() SeqReader {
+ reader := generateReader(file.file)
return &seqReader{reader: reader, fileName: file.file.Name()}
}
@@ -437,3 +446,70 @@ func (i *seqReader) Read(p []byte) (int, error) {
}
return rsize, nil
}
+
+func (i *seqReader) Path() string {
+ return i.fileName
+}
+
+func (i *seqReader) Close() error {
+ releaseReader(i.reader)
+ return nil
+}
+
+type seqWriter struct {
+ writer *bufio.Writer
+ fileName string
+}
+
+func (w *seqWriter) Write(p []byte) (n int, err error) {
+ return w.writer.Write(p)
+}
+
+func (w *seqWriter) Path() string {
+ return w.fileName
+}
+
+func (w *seqWriter) Close() error {
+ if err := w.writer.Flush(); err != nil {
+ return &FileSystemError{
+ Code: closeError,
+ Message: fmt.Sprintf("Flush File error, directory name:
%s, error message: %s", w.fileName, err),
+ }
+ }
+ releaseWriter(w.writer)
+ return nil
+}
+
+func generateReader(f *os.File) *bufio.Reader {
+ v := bufReaderPool.Get()
+ if v == nil {
+ return bufio.NewReaderSize(f, defaultIOSize)
+ }
+ br := v.(*bufio.Reader)
+ br.Reset(f)
+ return br
+}
+
+func releaseReader(br *bufio.Reader) {
+ br.Reset(nil)
+ bufReaderPool.Put(br)
+}
+
+var bufReaderPool sync.Pool
+
+func generateWriter(f *os.File) *bufio.Writer {
+ v := bufWriterPool.Get()
+ if v == nil {
+ return bufio.NewWriterSize(f, defaultIOSize)
+ }
+ bw := v.(*bufio.Writer)
+ bw.Reset(f)
+ return bw
+}
+
+func releaseWriter(bw *bufio.Writer) {
+ bw.Reset(nil)
+ bufWriterPool.Put(bw)
+}
+
+var bufWriterPool sync.Pool
diff --git a/pkg/fs/local_file_system_test.go b/pkg/fs/local_file_system_test.go
index 1c96a127..eaf278a5 100644
--- a/pkg/fs/local_file_system_test.go
+++ b/pkg/fs/local_file_system_test.go
@@ -109,7 +109,8 @@ var _ = ginkgo.Describe("Loacl File System", func() {
gomega.Expect(size == len(data)).To(gomega.BeTrue())
buffer := make([]byte, len(data))
- iter := file.StreamRead()
+ iter := file.SequentialRead()
+ defer iter.Close()
for {
size, err := iter.Read(buffer)
if err == nil {
diff --git a/pkg/index/index.go b/pkg/index/index.go
index 9561b2f8..1796d66b 100644
--- a/pkg/index/index.go
+++ b/pkg/index/index.go
@@ -201,10 +201,16 @@ type Document struct {
// Documents is a collection of documents.
type Documents []Document
+// Batch is a collection of documents.
+type Batch struct {
+ Applied chan struct{}
+ Documents Documents
+}
+
// Writer allows writing fields and docID in a document to a index.
type Writer interface {
Write(fields []Field, docID uint64) error
- Batch(docs Documents) error
+ Batch(batch Batch) error
}
// FieldIterable allows building a FieldIterator.
diff --git a/pkg/index/inverted/inverted.go b/pkg/index/inverted/inverted.go
index 1a578aad..de11591f 100644
--- a/pkg/index/inverted/inverted.go
+++ b/pkg/index/inverted/inverted.go
@@ -91,14 +91,14 @@ type store struct {
batchInterval time.Duration
}
-func (s *store) Batch(docs index.Documents) error {
+func (s *store) Batch(batch index.Batch) error {
if !s.closer.AddRunning() {
return nil
}
defer s.closer.Done()
select {
case <-s.closer.CloseNotify():
- case s.ch <- docs:
+ case s.ch <- batch:
}
return nil
}
@@ -106,9 +106,10 @@ func (s *store) Batch(docs index.Documents) error {
// NewStore create a new inverted index repository.
func NewStore(opts StoreOpts) (index.SeriesStore, error) {
indexConfig := blugeIndex.DefaultConfig(opts.Path)
- // TODO:// parameterize the following options
- // WithUnsafeBatches().
- // WithPersisterNapTimeMSec(60 * 1000)
+ if opts.BatchWaitSec > 0 {
+ indexConfig = indexConfig.WithUnsafeBatches().
+ WithPersisterNapTimeMSec(int(opts.BatchWaitSec * 1000))
+ }
config := bluge.DefaultConfigWithIndexConfig(indexConfig)
config.DefaultSearchAnalyzer =
analyzers[databasev1.IndexRule_ANALYZER_KEYWORD]
config.Logger = log.New(opts.Logger, opts.Logger.Module(), 0)
@@ -312,17 +313,20 @@ func (s *store) run() {
}()
size := 0
batch := bluge.NewBatch()
- flush := func() {
+ flush := func(applied chan struct{}) {
if size < 1 {
return
}
if err := s.writer.Batch(batch); err != nil {
s.l.Error().Err(err).Msg("write to the inverted
index")
}
+ if applied != nil {
+ close(applied)
+ }
batch.Reset()
size = 0
}
- defer flush()
+ defer flush(nil)
var docIDBuffer bytes.Buffer
for {
timer := time.NewTimer(s.batchInterval)
@@ -337,16 +341,18 @@ func (s *store) run() {
}
switch d := event.(type) {
case flushEvent:
- flush()
+ flush(nil)
close(d.onComplete)
- case index.Document, index.Documents:
+ case index.Document, index.Batch:
var docs []index.Document
var isBatch bool
+ var applied chan struct{}
switch v := d.(type) {
case index.Document:
docs = []index.Document{v}
- case index.Documents:
- docs = v
+ case index.Batch:
+ docs = v.Documents
+ applied = v.Applied
isBatch = true
}
@@ -384,11 +390,11 @@ func (s *store) run() {
batch.Update(doc.ID(), doc)
}
if isBatch || size >= batchSize {
- flush()
+ flush(applied)
}
}
case <-timer.C:
- flush()
+ flush(nil)
}
timer.Stop()
}
diff --git a/pkg/index/inverted/inverted_series_test.go
b/pkg/index/inverted/inverted_series_test.go
index 03860f83..702d95b8 100644
--- a/pkg/index/inverted/inverted_series_test.go
+++ b/pkg/index/inverted/inverted_series_test.go
@@ -207,6 +207,10 @@ func setupData(tester *assert.Assertions, s
index.SeriesStore) {
DocID: 3,
EntityValues: []byte("test3"),
}
- tester.NoError(s.Batch([]index.Document{series1, series2, series3,
series3}))
- s.(*store).flush()
+ applied := make(chan struct{})
+ tester.NoError(s.Batch(index.Batch{
+ Applied: applied,
+ Documents: []index.Document{series1, series2, series3, series3},
+ }))
+ <-applied
}
diff --git a/pkg/index/lsm/lsm.go b/pkg/index/lsm/lsm.go
index ff2d7b40..d7cb0a21 100644
--- a/pkg/index/lsm/lsm.go
+++ b/pkg/index/lsm/lsm.go
@@ -40,7 +40,7 @@ type store struct {
}
// Batch implements index.Store.
-func (*store) Batch(_ index.Documents) error {
+func (*store) Batch(_ index.Batch) error {
panic("unimplemented")
}
diff --git
a/test/integration/standalone/query_ondisk/query_ondisk_suite_test.go
b/test/integration/standalone/query_ondisk/query_ondisk_suite_test.go
index ac89d108..f6fcb14c 100644
--- a/test/integration/standalone/query_ondisk/query_ondisk_suite_test.go
+++ b/test/integration/standalone/query_ondisk/query_ondisk_suite_test.go
@@ -68,6 +68,7 @@ var _ = SynchronizedBeforeSuite(func() []byte {
ns := timestamp.NowMilli().UnixNano()
now = time.Unix(0, ns-ns%int64(time.Minute))
test_cases.Initialize(addr, now)
+ time.Sleep(10 * time.Second)
closeFunc()
time.Sleep(time.Second)
addr, _, closeFunc = setup.EmptyClosableStandalone(path, ports)
diff --git a/test/stress/cases/istio/report.md
b/test/stress/cases/istio/report.md
index c42e1018..67ccd719 100644
--- a/test/stress/cases/istio/report.md
+++ b/test/stress/cases/istio/report.md
@@ -29,37 +29,37 @@ latency: 2ns
### Problem
-Memory: blockPointer.append used 22.55% of total memory, that is significantly
larger than expected.
+Memory: blockPointer.append used 22.55% of total memory. That's due to the
fact that parts without the time overlap are merged. The unnecessary unpacking
block operations take up a lot of memory.
-Disk IO: weighted_io(ms) is 504.606667, which is larger than 100ms. This means
a lot of IO operations are blocked.
+CPU: As memory's part, the unnecessary unpacking block operations take up a
lot of CPU.
## CPU
-CPU 95th-percentile: 2.74 cores (8 cores in total)
+CPU 95th-percentile: 2.91 cores (8 cores in total)
```bash
-Showing top 10 nodes out of 291
+Showing top 10 nodes out of 327
flat flat% sum% cum cum%
- 657.01s 10.54% 10.54% 657.01s 10.54% runtime/internal/syscall.Syscall6
- 242.03s 3.88% 14.43% 457.06s 7.33%
github.com/blevesearch/vellum.registryCache.entry
- 211.69s 3.40% 17.82% 218.18s 3.50%
github.com/klauspost/compress/zstd.(*fseEncoder).buildCTable
- 173.92s 2.79% 20.61% 697.34s 11.19% runtime.mallocgc
- 172.26s 2.76% 23.38% 172.75s 2.77%
github.com/blevesearch/vellum.(*builderNode).equiv (inline)
- 164.02s 2.63% 26.01% 188.35s 3.02% runtime.findObject
- 131.81s 2.12% 28.13% 169.79s 2.72%
github.com/klauspost/compress/zstd.(*fastEncoder).EncodeNoHist
- 127.66s 2.05% 30.17% 127.66s 2.05% runtime.memmove
- 123.01s 1.97% 32.15% 141.11s 2.26%
github.com/klauspost/compress/huff0.(*Scratch).huffSort
- 99.42s 1.60% 33.74% 134.90s 2.16%
github.com/blevesearch/vellum.(*builderNodeUnfinished).lastCompiled
+ 216.45s 4.14% 4.14% 226.17s 4.32%
github.com/klauspost/compress/zstd.(*fseEncoder).buildCTable
+ 171.32s 3.27% 7.41% 171.32s 3.27% runtime/internal/syscall.Syscall6
+ 155.50s 2.97% 10.38% 606.59s 11.59% runtime.mallocgc
+ 135.71s 2.59% 12.98% 169.48s 3.24%
github.com/klauspost/compress/zstd.(*fastEncoder).EncodeNoHist
+ 134.63s 2.57% 15.55% 248.72s 4.75%
github.com/blevesearch/vellum.registryCache.entry
+ 133.90s 2.56% 18.11% 133.90s 2.56% runtime.memmove
+ 130.33s 2.49% 20.60% 149.37s 2.85%
github.com/klauspost/compress/huff0.(*Scratch).huffSort
+ 118.60s 2.27% 22.87% 136.91s 2.62% runtime.findObject
+ 90.35s 1.73% 24.59% 92.01s 1.76%
github.com/blevesearch/vellum.(*builderNode).equiv (inline)
+ 83.19s 1.59% 26.18% 83.19s 1.59% runtime.nextFreeFast (inline)
```
-From the top 10 list, we can see that the CPU is mainly used by `Syscall6`.
+From the top 10 list, we can see that the CPU is mainly used by `zstd.Encoder`.
## Heap Profile
-`alloc_bytes` 95th-percentile: 968.94 MB.
-`heap_inuse_bytes` 95th-percentile: 1054.00 MB.
-`sys_bytes` 95th-percentile: 1445.43 MB.
-`stack_inuse_bytes` 95th-percentile: 18.03 MB.
+`alloc_bytes` 95th-percentile: 1.33 GB.
+`heap_inuse_bytes` 95th-percentile: 1.46 GB.
+`sys_bytes` 95th-percentile: 1.95 GB.
+`stack_inuse_bytes` 95th-percentile: 17.89 MB.
```bash
Showing top 10 nodes out of 212
@@ -81,31 +81,31 @@ Showing top 10 nodes out of 212
## Disk Usage
```bash
-measure: 300 MB
-measure/measure-default: 137 MB
-measure/measure-default/idx: 53 MB
+measure: 281 MB
+measure/measure-default: 122 MB
+measure/measure-default/idx: 38 MB
measure/measure-default/shard-0: 84 MB
-measure/measure-default/shard-0/seg-20240111: 84 MB
-measure/measure-default/shard-0/seg-20240111/000000000000208b: 84 MB
-measure/measure-minute: 162 MB
-measure/measure-minute/idx: 32 MB
+measure/measure-default/shard-0/seg-20240117: 84 MB
+measure/measure-default/shard-0/seg-20240117/0000000000002157: 84 MB
+measure/measure-minute: 159 MB
+measure/measure-minute/idx: 29 MB
measure/measure-minute/shard-0: 65 MB
-measure/measure-minute/shard-0/seg-20240111: 65 MB
-measure/measure-minute/shard-0/seg-20240111/00000000000010f4: 65 MB
+measure/measure-minute/shard-0/seg-20240117: 65 MB
+measure/measure-minute/shard-0/seg-20240117/0000000000001240: 65 MB
measure/measure-minute/shard-1: 65 MB
-measure/measure-minute/shard-1/seg-20240111: 65 MB
-measure/measure-minute/shard-1/seg-20240111/000000000000109a: 65 MB
+measure/measure-minute/shard-1/seg-20240117: 65 MB
+measure/measure-minute/shard-1/seg-20240117/00000000000011ce: 65 MB
```
## Disk IO
| Metric | 95th-percentile per second |
|---------------------|-----------------------------|
-| read_count | 0.856667 |
-| merged_read_count | 0.603333 |
-| write_count | 136.976667 |
-| merged_write_count | 269.993333 |
-| read_bytes | 13817.173333 |
-| write_bytes | 17439505.066667 |
-| io_time(ms) | 125.560000 |
-| weighted_io(ms) | 504.606667 |
+| read_count | 0.003333 |
+| merged_read_count | 0 |
+| write_count | 114.936667 |
+| merged_write_count | 70.315 |
+| read_bytes | 13.653333 |
+| write_bytes | 22672254.29 |
+| io_time(ms) | 57.906667 |
+| weighted_io(ms) | 922.218333 |
diff --git a/test/stress/cases/istio/testdata/metrics/data.csv
b/test/stress/cases/istio/testdata/metrics/data.csv
index fd586907..3de7189e 100644
--- a/test/stress/cases/istio/testdata/metrics/data.csv
+++ b/test/stress/cases/istio/testdata/metrics/data.csv
@@ -1,157 +1,155 @@
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diff --git a/test/stress/cases/istio/testdata/metrics/intermediate.csv
b/test/stress/cases/istio/testdata/metrics/intermediate.csv
index ff82bf9e..4fbfbe32 100644
--- a/test/stress/cases/istio/testdata/metrics/intermediate.csv
+++ b/test/stress/cases/istio/testdata/metrics/intermediate.csv
@@ -1,9 +1,9 @@
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[...]
+process_cpu_seconds_total,rate[5m],2.6710999999999996,2.6657333333333333,2.5520333333333336,2.2728333333333333,2.3266999999999998,2.5548999999999995,2.5736999999999997,2.3106333333333327,2.3730666666666664,2.583566666666667,2.5992333333333333,2.3164666666666665,2.3691999999999998,2.593566666666667,2.6215,2.3499,2.4054,2.6188,2.637466666666667,2.356466666666667,2.403766666666667,2.6283333333333334,2.6489999999999996,2.3749,2.4316999999999998,2.641833333333333,2.6527000000000007,2.36563333
[...]
diff --git a/test/stress/cases/istio/testdata/metrics/result.csv
b/test/stress/cases/istio/testdata/metrics/result.csv
index 00b3dbed..10ea3b68 100644
--- a/test/stress/cases/istio/testdata/metrics/result.csv
+++ b/test/stress/cases/istio/testdata/metrics/result.csv
@@ -1,16 +1,16 @@
Metric Name, Min, Max, Mean, Median, P90, P95, P98, P99
-go_memstats_alloc_bytes, 144503392.000000, 1252014544.000000,
533194949.707006, 515922896.000000, 863701068.000000, 1016009468.000000,
1060432244.000000, 1109959040.000000
-go_memstats_heap_inuse_bytes, 250183680.000000, 1309556736.000000,
701603318.216560, 709967872.000000, 1042378752.000000, 1105199104.000000,
1180516352.000000, 1211912192.000000
-go_memstats_sys_bytes, 1149135880.000000, 1543301208.000000,
1250226991.337580, 1171811336.000000, 1449237576.000000, 1515645016.000000,
1530587224.000000, 1530587224.000000
-go_memstats_stack_inuse_bytes, 2916352.000000, 22544384.000000,
11434571.006369, 11337728.000000, 17956864.000000, 18907136.000000,
20611072.000000, 22052864.000000
-process_cpu_seconds_total, 1.948433, 2.784233, 2.473533, 2.480917, 2.747350,
2.762550, 2.776167, 2.780333
-disk_used, 215987310592.000000, 216453967872.000000, 216290951611.515930,
216265412608.000000, 216422912000.000000, 216435509248.000000,
216448153600.000000, 216452474880.000000
+go_memstats_alloc_bytes, 155663808.000000, 1636370968.000000,
668034861.677419, 585280368.000000, 1192113260.000000, 1427246720.000000,
1585182120.000000, 1605045672.000000
+go_memstats_heap_inuse_bytes, 296435712.000000, 1733763072.000000,
879246831.483871, 864559104.000000, 1360912384.000000, 1565421568.000000,
1691750400.000000, 1719664640.000000
+go_memstats_sys_bytes, 989058520.000000, 2087965656.000000, 1677694351.845161,
1638140792.000000, 2064372696.000000, 2087965656.000000, 2087965656.000000,
2087965656.000000
+go_memstats_stack_inuse_bytes, 3211264.000000, 21692416.000000,
12091180.593548, 11960320.000000, 18382848.000000, 19218432.000000,
20299776.000000, 20840448.000000
+process_cpu_seconds_total, 2.272833, 2.976800, 2.644399, 2.640417, 2.865667,
2.911000, 2.938917, 2.953100
+disk_used, 212879372288.000000, 213360345088.000000, 213166692100.954834,
213148762112.000000, 213265381376.000000, 213283301376.000000,
213318885376.000000, 213354618880.000000
disk_total, 532622512128.000000, 532622512128.000000, 532622512128.000000,
532622512128.000000, 532622512128.000000, 532622512128.000000,
532622512128.000000, 532622512128.000000
-read_count, 0.000000, 0.856667, 0.145556, 0.016667, 0.856667, 0.856667,
0.856667, 0.856667
-merged_read_count, 0.000000, 0.603333, 0.083068, 0.000000, 0.603333, 0.603333,
0.603333, 0.603333
-write_count, 105.556667, 139.776667, 126.035966, 125.403333, 135.776667,
136.976667, 138.206667, 138.383333
-merged_write_count, 217.376667, 273.723333, 250.497319, 254.925000,
267.046667, 269.993333, 271.331667, 272.438333
-read_bytes, 0.000000, 13817.173333, 2019.605024, 68.266667, 13817.173333,
13817.173333, 13817.173333, 13817.173333
-write_bytes, 11957725.866667, 18027383.466667, 15585415.939710,
15669131.946667, 16918766.933333, 17439505.066667, 17689251.840000,
17725385.386667
-io_time, 98.146667, 126.600000, 117.581546, 117.793333, 124.973333,
125.560000, 126.260000, 126.300000
-weighted_io, 264.540000, 536.200000, 407.836111, 410.760000, 483.176667,
504.606667, 518.133333, 522.120000
+read_count, 0.000000, 0.003333, 0.000466, 0.000000, 0.003333, 0.003333,
0.003333, 0.003333
+merged_read_count, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000, 0.000000,
0.000000, 0.000000
+write_count, 80.750000, 120.276667, 98.128676, 96.891667, 112.166667,
114.936667, 118.011667, 119.271667
+merged_write_count, 51.716667, 95.790000, 61.027990, 59.808333, 67.031667,
70.315000, 75.908333, 82.641667
+read_bytes, 0.000000, 13.653333, 1.907451, 0.000000, 13.653333, 13.653333,
13.653333, 13.653333
+write_bytes, 14877204.480000, 23755147.946667, 18499353.399216,
18014958.933333, 22047948.800000, 22672254.293333, 23202747.733333,
23547699.200000
+io_time, 41.626667, 63.280000, 49.824314, 48.880000, 56.306667, 57.906667,
59.573333, 60.413333
+weighted_io, 459.366667, 969.736667, 657.124093, 619.871667, 859.045000,
922.218333, 946.415000, 959.581667
