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volume: use sorted index map for readonly volumes

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This commit is contained in:
Chris Lu
2019-12-18 01:21:21 -08:00
parent 2f21beaccd
commit 58f88e530c
7 changed files with 165 additions and 53 deletions
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81
weed/storage/volume_loading.go
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@@ -5,12 +5,12 @@ import (
"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"
)
func loadVolumeWithoutIndex(dirname string, collection string, id needle.VolumeId, needleMapKind NeedleMapType) (v *Volume, e error) {
@@ -88,41 +88,48 @@ func (v *Volume) load(alsoLoadIndex bool, createDatIfMissing bool, needleMapKind
v.readOnly = true
glog.V(0).Infof("volumeDataIntegrityChecking failed %v", e)
}
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)
if v.readOnly {
if v.nm, e = NewSortedFileNeedleMap(fileName, indexFile); e != nil {
glog.V(0).Infof("loading sorted db %s error: %v", fileName+".sdb", 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.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, 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.nm, e = NewLevelDbNeedleMap(fileName+".ldb", indexFile, opts); e != nil {
glog.V(0).Infof("loading leveldb %s error: %v", fileName+".ldb", e)
}
}
}
}