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support compacting a volume

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This commit is contained in:
Chris Lu
2012-11-07 01:51:43 -08:00
parent 9630825576
commit 86c8f248bd
16 changed files with 709 additions and 199 deletions
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10
weed-fs/src/cmd/weed/fix.go
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@@ -47,17 +47,19 @@ func runFix(cmd *Command, args []string) bool {
//skip the volume super block
dataFile.Seek(storage.SuperBlockSize, 0)
n, length := storage.ReadNeedle(dataFile)
n, rest := storage.ReadNeedle(dataFile)
dataFile.Seek(int64(rest), 1)
nm := storage.NewNeedleMap(indexFile)
offset := uint32(storage.SuperBlockSize)
for n != nil {
debug("key", n.Id, "volume offset", offset, "data_size", n.Size, "length", length)
debug("key", n.Id, "volume offset", offset, "data_size", n.Size, "rest", rest)
if n.Size > 0 {
count, pe := nm.Put(n.Id, offset/8, n.Size)
debug("saved", count, "with error", pe)
}
offset += length
n, length = storage.ReadNeedle(dataFile)
offset += rest+16
n, rest = storage.ReadNeedle(dataFile)
dataFile.Seek(int64(rest), 1)
}
return true
}