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Diffstat (limited to 'weed/storage/volume_loading.go')
-rw-r--r--weed/storage/volume_loading.go172
1 files changed, 87 insertions, 85 deletions
diff --git a/weed/storage/volume_loading.go b/weed/storage/volume_loading.go
index 6f1d8fe40..6b42fc452 100644
--- a/weed/storage/volume_loading.go
+++ b/weed/storage/volume_loading.go
@@ -3,146 +3,148 @@ package storage
import (
"fmt"
"os"
- "time"
- "github.com/chrislusf/seaweedfs/weed/stats"
- "github.com/chrislusf/seaweedfs/weed/storage/backend"
- "github.com/chrislusf/seaweedfs/weed/storage/needle"
"github.com/syndtr/goleveldb/leveldb/opt"
"github.com/chrislusf/seaweedfs/weed/glog"
+ "github.com/chrislusf/seaweedfs/weed/stats"
+ "github.com/chrislusf/seaweedfs/weed/storage/backend"
+ "github.com/chrislusf/seaweedfs/weed/storage/needle"
+ "github.com/chrislusf/seaweedfs/weed/storage/super_block"
+ "github.com/chrislusf/seaweedfs/weed/util"
)
-func loadVolumeWithoutIndex(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType) (v *Volume, e error) {
+func loadVolumeWithoutIndex(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType) (v *Volume, err error) {
v = &Volume{dir: dirname, Collection: collection, Id: id}
- v.SuperBlock = SuperBlock{}
+ v.SuperBlock = super_block.SuperBlock{}
v.needleMapKind = needleMapKind
- e = v.load(false, false, needleMapKind, 0)
+ err = v.load(false, false, needleMapKind, 0)
return
}
-func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool, needleMapKind NeedleMapType, preallocate int64) error {
- var e error
+func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool, needleMapKind NeedleMapType, preallocate int64) (err error) {
fileName := v.FileName()
alreadyHasSuperBlock := false
- // open dat file
- if exists, canRead, canWrite, modifiedTime, fileSize := checkFile(fileName + ".dat"); exists {
+ hasVolumeInfoFile := v.maybeLoadVolumeInfo() && v.volumeInfo.Version != 0
+
+ if v.HasRemoteFile() {
+ v.noWriteCanDelete = true
+ v.noWriteOrDelete = false
+ glog.V(0).Infof("loading volume %d from remote %v", v.Id, v.volumeInfo.Files)
+ v.LoadRemoteFile()
+ alreadyHasSuperBlock = true
+ } else if exists, canRead, canWrite, modifiedTime, fileSize := util.CheckFile(fileName + ".dat"); exists {
+ // open dat file
if !canRead {
return fmt.Errorf("cannot read Volume Data file %s.dat", fileName)
}
var dataFile *os.File
if canWrite {
- dataFile, e = os.OpenFile(fileName+".dat", os.O_RDWR|os.O_CREATE, 0644)
+ dataFile, err = os.OpenFile(fileName+".dat", os.O_RDWR|os.O_CREATE, 0644)
} else {
glog.V(0).Infoln("opening " + fileName + ".dat in READONLY mode")
- dataFile, e = os.Open(fileName + ".dat")
- v.readOnly = true
+ dataFile, err = os.Open(fileName + ".dat")
+ v.noWriteOrDelete = true
}
v.lastModifiedTsSeconds = uint64(modifiedTime.Unix())
- if fileSize >= _SuperBlockSize {
+ if fileSize >= super_block.SuperBlockSize {
alreadyHasSuperBlock = true
}
v.DataBackend = backend.NewDiskFile(dataFile)
} else {
if createDatIfMissing {
- v.DataBackend, e = createVolumeFile(fileName+".dat", preallocate, v.MemoryMapMaxSizeMb)
+ v.DataBackend, err = createVolumeFile(fileName+".dat", preallocate, v.MemoryMapMaxSizeMb)
} else {
return fmt.Errorf("Volume Data file %s.dat does not exist.", fileName)
}
}
- if e != nil {
- if !os.IsPermission(e) {
- return fmt.Errorf("cannot load Volume Data %s.dat: %v", fileName, e)
+ if err != nil {
+ if !os.IsPermission(err) {
+ return fmt.Errorf("cannot load Volume Data %s.dat: %v", fileName, err)
} else {
- return fmt.Errorf("load data file %s.dat: %v", fileName, e)
+ return fmt.Errorf("load data file %s.dat: %v", fileName, err)
}
}
if alreadyHasSuperBlock {
- e = v.readSuperBlock()
+ err = v.readSuperBlock()
} else {
if !v.SuperBlock.Initialized() {
return fmt.Errorf("volume %s.dat not initialized", fileName)
}
- e = v.maybeWriteSuperBlock()
+ err = v.maybeWriteSuperBlock()
}
- if e == nil && alsoLoadIndex {
+ if err == nil && alsoLoadIndex {
var indexFile *os.File
- if v.readOnly {
- glog.V(1).Infoln("open to read file", fileName+".idx")
- if indexFile, e = os.OpenFile(fileName+".idx", os.O_RDONLY, 0644); e != nil {
- return fmt.Errorf("cannot read Volume Index %s.idx: %v", fileName, e)
+ if v.noWriteOrDelete {
+ glog.V(0).Infoln("open to read file", fileName+".idx")
+ if indexFile, err = os.OpenFile(fileName+".idx", os.O_RDONLY, 0644); err != nil {
+ return fmt.Errorf("cannot read Volume Index %s.idx: %v", fileName, err)
}
} else {
glog.V(1).Infoln("open to write file", fileName+".idx")
- if indexFile, e = os.OpenFile(fileName+".idx", os.O_RDWR|os.O_CREATE, 0644); e != nil {
- return fmt.Errorf("cannot write Volume Index %s.idx: %v", fileName, e)
+ if indexFile, err = os.OpenFile(fileName+".idx", os.O_RDWR|os.O_CREATE, 0644); err != nil {
+ return fmt.Errorf("cannot write Volume Index %s.idx: %v", fileName, err)
}
}
- if v.lastAppendAtNs, e = CheckVolumeDataIntegrity(v, indexFile); e != nil {
- v.readOnly = true
- glog.V(0).Infof("volumeDataIntegrityChecking failed %v", e)
+ if v.lastAppendAtNs, err = CheckVolumeDataIntegrity(v, indexFile); err != nil {
+ v.noWriteOrDelete = true
+ glog.V(0).Infof("volumeDataIntegrityChecking failed %v", err)
}
- switch needleMapKind {
- case NeedleMapInMemory:
- glog.V(0).Infoln("loading index", fileName+".idx", "to memory readonly", v.readOnly)
- if v.nm, e = LoadCompactNeedleMap(indexFile); e != nil {
- glog.V(0).Infof("loading index %s to memory error: %v", fileName+".idx", e)
- }
- case NeedleMapLevelDb:
- glog.V(0).Infoln("loading leveldb", fileName+".ldb")
- opts := &opt.Options{
- BlockCacheCapacity: 2 * 1024 * 1024, // default value is 8MiB
- WriteBuffer: 1 * 1024 * 1024, // default value is 4MiB
- CompactionTableSizeMultiplier: 10, // default value is 1
- }
- if v.nm, e = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); e != nil {
- glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", e)
- }
- case NeedleMapLevelDbMedium:
- glog.V(0).Infoln("loading leveldb medium", fileName+".ldb")
- opts := &opt.Options{
- BlockCacheCapacity: 4 * 1024 * 1024, // default value is 8MiB
- WriteBuffer: 2 * 1024 * 1024, // default value is 4MiB
- CompactionTableSizeMultiplier: 10, // default value is 1
- }
- if v.nm, e = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); e != nil {
- glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", e)
- }
- case NeedleMapLevelDbLarge:
- glog.V(0).Infoln("loading leveldb large", fileName+".ldb")
- opts := &opt.Options{
- BlockCacheCapacity: 8 * 1024 * 1024, // default value is 8MiB
- WriteBuffer: 4 * 1024 * 1024, // default value is 4MiB
- CompactionTableSizeMultiplier: 10, // default value is 1
+
+ if v.noWriteOrDelete || v.noWriteCanDelete {
+ if v.nm, err = NewSortedFileNeedleMap(fileName, indexFile); err != nil {
+ glog.V(0).Infof("loading sorted db %s error: %v", fileName+".sdx", err)
}
- if v.nm, e = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); e != nil {
- glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", e)
+ } else {
+ switch needleMapKind {
+ case NeedleMapInMemory:
+ glog.V(0).Infoln("loading index", fileName+".idx", "to memory")
+ if v.nm, err = LoadCompactNeedleMap(indexFile); err != nil {
+ glog.V(0).Infof("loading index %s to memory error: %v", fileName+".idx", err)
+ }
+ case NeedleMapLevelDb:
+ glog.V(0).Infoln("loading leveldb", fileName+".ldb")
+ opts := &opt.Options{
+ BlockCacheCapacity: 2 * 1024 * 1024, // default value is 8MiB
+ WriteBuffer: 1 * 1024 * 1024, // default value is 4MiB
+ CompactionTableSizeMultiplier: 10, // default value is 1
+ }
+ if v.nm, err = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); err != nil {
+ glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", err)
+ }
+ case NeedleMapLevelDbMedium:
+ glog.V(0).Infoln("loading leveldb medium", fileName+".ldb")
+ opts := &opt.Options{
+ BlockCacheCapacity: 4 * 1024 * 1024, // default value is 8MiB
+ WriteBuffer: 2 * 1024 * 1024, // default value is 4MiB
+ CompactionTableSizeMultiplier: 10, // default value is 1
+ }
+ if v.nm, err = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); err != nil {
+ glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", err)
+ }
+ case NeedleMapLevelDbLarge:
+ glog.V(0).Infoln("loading leveldb large", fileName+".ldb")
+ opts := &opt.Options{
+ BlockCacheCapacity: 8 * 1024 * 1024, // default value is 8MiB
+ WriteBuffer: 4 * 1024 * 1024, // default value is 4MiB
+ CompactionTableSizeMultiplier: 10, // default value is 1
+ }
+ if v.nm, err = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); err != nil {
+ glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", err)
+ }
}
}
}
- stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Inc()
+ if !hasVolumeInfoFile {
+ v.volumeInfo.Version = uint32(v.SuperBlock.Version)
+ v.SaveVolumeInfo()
+ }
- return e
-}
+ stats.VolumeServerVolumeCounter.WithLabelValues(v.Collection, "volume").Inc()
-func checkFile(filename string) (exists, canRead, canWrite bool, modTime time.Time, fileSize int64) {
- exists = true
- fi, err := os.Stat(filename)
- if os.IsNotExist(err) {
- exists = false
- return
- }
- if fi.Mode()&0400 != 0 {
- canRead = true
- }
- if fi.Mode()&0200 != 0 {
- canWrite = true
- }
- modTime = fi.ModTime()
- fileSize = fi.Size()
- return
+ return err
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-21 04:44:05 +0000