lsm/seaweedfs
1
0
Fork 0
mirror of https://github.com/seaweedfs/seaweedfs.git synced 2025-11-24 16:53:14 +08:00
Code Issues Actions 17 Packages Projects Releases Wiki Activity

faster loading boltdb or leveldb needle map metrics by bloomfilter

Browse Source 
avoid btree
This commit is contained in:
Chris Lu
2018-07-07 00:51:17 -07:00
parent aba1fe01b3
commit 5bfb72d058
5 changed files with 140 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
weed/storage/needle_map.go
View File

@@ -84,46 +84,3 @@ func (nm *baseNeedleMapper) IndexFileContent() ([]byte, error) {
defer nm.indexFileAccessLock.Unlock()
return ioutil.ReadFile(nm.indexFile.Name())
}
type mapMetric struct {
indexFile *os.File
DeletionCounter int `json:"DeletionCounter"`
FileCounter int `json:"FileCounter"`
DeletionByteCounter uint64 `json:"DeletionByteCounter"`
FileByteCounter uint64 `json:"FileByteCounter"`
MaximumFileKey uint64 `json:"MaxFileKey"`
}
func (mm *mapMetric) logDelete(deletedByteCount uint32) {
mm.DeletionByteCounter = mm.DeletionByteCounter + uint64(deletedByteCount)
mm.DeletionCounter++
}
func (mm *mapMetric) logPut(key uint64, oldSize uint32, newSize uint32) {
if key > mm.MaximumFileKey {
mm.MaximumFileKey = key
}
mm.FileCounter++
mm.FileByteCounter = mm.FileByteCounter + uint64(newSize)
if oldSize > 0 {
mm.DeletionCounter++
mm.DeletionByteCounter = mm.DeletionByteCounter + uint64(oldSize)
}
}
func (mm mapMetric) ContentSize() uint64 {
return mm.FileByteCounter
}
func (mm mapMetric) DeletedSize() uint64 {
return mm.DeletionByteCounter
}
func (mm mapMetric) FileCount() int {
return mm.FileCounter
}
func (mm mapMetric) DeletedCount() int {
return mm.DeletionCounter
}
func (mm mapMetric) MaxFileKey() uint64 {
return mm.MaximumFileKey
}