mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-15 00:13:30 +01:00
103 lines
3.0 KiB
Go
103 lines
3.0 KiB
Go
package logstorage
|
|
|
|
import (
|
|
"path/filepath"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/filestream"
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/fs"
|
|
)
|
|
|
|
type part struct {
|
|
// pt is the partition the part belongs to
|
|
pt *partition
|
|
|
|
// path is the path to the part on disk.
|
|
//
|
|
// If the part is in-memory then the path is empty.
|
|
path string
|
|
|
|
// ph contains partHeader for the given part.
|
|
ph partHeader
|
|
|
|
// indexBlockHeaders contains a list of indexBlockHeader entries for the given part.
|
|
indexBlockHeaders []indexBlockHeader
|
|
|
|
indexFile fs.MustReadAtCloser
|
|
columnsHeaderFile fs.MustReadAtCloser
|
|
timestampsFile fs.MustReadAtCloser
|
|
fieldValuesFile fs.MustReadAtCloser
|
|
fieldBloomFilterFile fs.MustReadAtCloser
|
|
messageValuesFile fs.MustReadAtCloser
|
|
messageBloomFilterFile fs.MustReadAtCloser
|
|
}
|
|
|
|
func mustOpenInmemoryPart(pt *partition, mp *inmemoryPart) *part {
|
|
var p part
|
|
p.pt = pt
|
|
p.path = ""
|
|
p.ph = mp.ph
|
|
|
|
// Read metaindex
|
|
metaindexReader := mp.metaindex.NewReader()
|
|
var mrs readerWithStats
|
|
mrs.init(metaindexReader)
|
|
p.indexBlockHeaders = mustReadIndexBlockHeaders(p.indexBlockHeaders[:0], &mrs)
|
|
|
|
// Open data files
|
|
p.indexFile = &mp.index
|
|
p.columnsHeaderFile = &mp.columnsHeader
|
|
p.timestampsFile = &mp.timestamps
|
|
p.fieldValuesFile = &mp.fieldValues
|
|
p.fieldBloomFilterFile = &mp.fieldBloomFilter
|
|
p.messageValuesFile = &mp.messageValues
|
|
p.messageBloomFilterFile = &mp.messageBloomFilter
|
|
|
|
return &p
|
|
}
|
|
|
|
func mustOpenFilePart(pt *partition, path string) *part {
|
|
var p part
|
|
p.pt = pt
|
|
p.path = path
|
|
p.ph.mustReadMetadata(path)
|
|
|
|
metaindexPath := filepath.Join(path, metaindexFilename)
|
|
indexPath := filepath.Join(path, indexFilename)
|
|
columnsHeaderPath := filepath.Join(path, columnsHeaderFilename)
|
|
timestampsPath := filepath.Join(path, timestampsFilename)
|
|
fieldValuesPath := filepath.Join(path, fieldValuesFilename)
|
|
fieldBloomFilterPath := filepath.Join(path, fieldBloomFilename)
|
|
messageValuesPath := filepath.Join(path, messageValuesFilename)
|
|
messageBloomFilterPath := filepath.Join(path, messageBloomFilename)
|
|
|
|
// Read metaindex
|
|
metaindexReader := filestream.MustOpen(metaindexPath, true)
|
|
var mrs readerWithStats
|
|
mrs.init(metaindexReader)
|
|
p.indexBlockHeaders = mustReadIndexBlockHeaders(p.indexBlockHeaders[:0], &mrs)
|
|
mrs.MustClose()
|
|
|
|
// Open data files
|
|
p.indexFile = fs.MustOpenReaderAt(indexPath)
|
|
p.columnsHeaderFile = fs.MustOpenReaderAt(columnsHeaderPath)
|
|
p.timestampsFile = fs.MustOpenReaderAt(timestampsPath)
|
|
p.fieldValuesFile = fs.MustOpenReaderAt(fieldValuesPath)
|
|
p.fieldBloomFilterFile = fs.MustOpenReaderAt(fieldBloomFilterPath)
|
|
p.messageValuesFile = fs.MustOpenReaderAt(messageValuesPath)
|
|
p.messageBloomFilterFile = fs.MustOpenReaderAt(messageBloomFilterPath)
|
|
|
|
return &p
|
|
}
|
|
|
|
func mustClosePart(p *part) {
|
|
p.indexFile.MustClose()
|
|
p.columnsHeaderFile.MustClose()
|
|
p.timestampsFile.MustClose()
|
|
p.fieldValuesFile.MustClose()
|
|
p.fieldBloomFilterFile.MustClose()
|
|
p.messageValuesFile.MustClose()
|
|
p.messageBloomFilterFile.MustClose()
|
|
|
|
p.pt = nil
|
|
}
|