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weed backup: efficient delta backup

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fix https://github.com/chrislusf/seaweedfs/issues/399
This commit is contained in:
Chris Lu
2019-03-25 23:01:53 -07:00
parent c913583e2d
commit df95ce0b6c
6 changed files with 47 additions and 21 deletions
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2
weed/storage/volume_vacuum.go
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@@ -261,7 +261,7 @@ func (scanner *VolumeFileScanner4Vacuum) VisitNeedle(n *Needle, offset int64) er
}
nv, ok := scanner.v.nm.Get(n.Id)
glog.V(4).Infoln("needle expected offset ", offset, "ok", ok, "nv", nv)
if ok && int64(nv.Offset)*NeedlePaddingSize == offset && nv.Size > 0 {
if ok && int64(nv.Offset)*NeedlePaddingSize == offset && nv.Size > 0 && nv.Size != TombstoneFileSize {
if err := scanner.nm.Put(n.Id, Offset(scanner.newOffset/NeedlePaddingSize), n.Size); err != nil {
return fmt.Errorf("cannot put needle: %s", err)
}