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体验新版 GitCode,发现更多精彩内容 >>
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0dffd522
编写于
1月 09, 2017
作者:
F
Fabian Reinartz
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Use page writer in compaction
上级
89d8467f
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
21 addition
and
10 deletion
+21
-10
head.go
head.go
+1
-0
wal.go
wal.go
+1
-1
writer.go
writer.go
+19
-9
未找到文件。
head.go
浏览文件 @
0dffd522
...
...
@@ -409,6 +409,7 @@ func (h *HeadBlock) updateMapping() {
h
.
mtx
.
RLock
()
if
h
.
mapper
.
sortable
!=
nil
&&
h
.
mapper
.
Len
()
==
len
(
h
.
descs
)
{
h
.
mtx
.
RUnlock
()
return
}
...
...
wal.go
浏览文件 @
0dffd522
...
...
@@ -174,7 +174,7 @@ const (
// walPageBytes is the alignment for flushing records to the backing Writer.
// It should be a multiple of the minimum sector size so that WAL can safely
// distinguish between torn writes and ordinary data corruption.
walPageBytes
=
32
*
minSectorSize
walPageBytes
=
16
*
minSectorSize
)
func
newWALEncoder
(
f
*
os
.
File
)
(
*
walEncoder
,
error
)
{
...
...
writer.go
浏览文件 @
0dffd522
...
...
@@ -9,6 +9,7 @@ import (
"strings"
"github.com/bradfitz/slice"
"github.com/coreos/etcd/pkg/ioutil"
"github.com/fabxc/tsdb/chunks"
"github.com/fabxc/tsdb/labels"
"github.com/pkg/errors"
...
...
@@ -22,6 +23,8 @@ const (
MagicIndex
=
0xBAAAD700
)
const
compactionPageBytes
=
minSectorSize
*
64
// SeriesWriter serializes a time block of chunked series data.
type
SeriesWriter
interface
{
// WriteSeries writes the time series data chunks for a single series.
...
...
@@ -40,16 +43,18 @@ type SeriesWriter interface {
// seriesWriter implements the SeriesWriter interface for the standard
// serialization format.
type
seriesWriter
struct
{
w
io
.
Writer
n
int64
c
int
ow
io
.
Writer
w
*
ioutil
.
PageWriter
n
int64
c
int
index
IndexWriter
}
func
newSeriesWriter
(
w
io
.
Writer
,
index
IndexWriter
)
*
seriesWriter
{
return
&
seriesWriter
{
w
:
w
,
ow
:
w
,
w
:
ioutil
.
NewPageWriter
(
w
,
compactionPageBytes
,
0
),
n
:
0
,
index
:
index
,
}
...
...
@@ -128,7 +133,7 @@ func (w *seriesWriter) Size() int64 {
}
func
(
w
*
seriesWriter
)
Close
()
error
{
return
nil
return
w
.
w
.
Flush
()
}
// ChunkMeta holds information about a chunk of data.
...
...
@@ -178,8 +183,9 @@ type indexWriterSeries struct {
// indexWriter implements the IndexWriter interface for the standard
// serialization format.
type
indexWriter
struct
{
w
io
.
Writer
n
int64
ow
io
.
Writer
w
*
ioutil
.
PageWriter
n
int64
series
map
[
uint32
]
*
indexWriterSeries
...
...
@@ -190,7 +196,8 @@ type indexWriter struct {
func
newIndexWriter
(
w
io
.
Writer
)
*
indexWriter
{
return
&
indexWriter
{
w
:
w
,
w
:
ioutil
.
NewPageWriter
(
w
,
compactionPageBytes
,
0
),
ow
:
w
,
n
:
0
,
symbols
:
make
(
map
[
string
]
uint32
,
4096
),
series
:
make
(
map
[
uint32
]
*
indexWriterSeries
,
4096
),
...
...
@@ -489,5 +496,8 @@ func (w *indexWriter) finalize() error {
}
func
(
w
*
indexWriter
)
Close
()
error
{
return
w
.
finalize
()
if
err
:=
w
.
finalize
();
err
!=
nil
{
return
err
}
return
w
.
w
.
Flush
()
}
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