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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/command/fix.go
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@@ -44,7 +44,7 @@ func (scanner *VolumeFileScanner4Fix) ReadNeedleBody() bool {
func (scanner *VolumeFileScanner4Fix) VisitNeedle(n *storage.Needle, offset int64) error {
glog.V(2).Infof("key %d offset %d size %d disk_size %d gzip %v", n.Id, offset, n.Size, n.DiskSize(scanner.version), n.IsGzipped())
if n.Size > 0 {
if n.Size > 0 && n.Size != types.TombstoneFileSize {
pe := scanner.nm.Put(n.Id, types.Offset(offset/types.NeedlePaddingSize), n.Size)
glog.V(2).Infof("saved %d with error %v", n.Size, pe)
} else {