Chris Lu
4 years ago
4 changed files with 6 additions and 89 deletions
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6unmaintained/diff_volume_servers/diff_volume_servers.go
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4unmaintained/fix_dat/fix_dat.go
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83unmaintained/see_dat/see_dat_gzip.go
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2unmaintained/see_idx/see_idx.go
@ -1,83 +0,0 @@ |
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package main |
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|
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import ( |
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"bytes" |
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"compress/gzip" |
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"crypto/md5" |
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"flag" |
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"io" |
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"io/ioutil" |
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"net/http" |
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"time" |
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"github.com/chrislusf/seaweedfs/weed/glog" |
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"github.com/chrislusf/seaweedfs/weed/storage" |
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"github.com/chrislusf/seaweedfs/weed/storage/needle" |
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"github.com/chrislusf/seaweedfs/weed/storage/super_block" |
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"github.com/chrislusf/seaweedfs/weed/util" |
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) |
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|
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type VolumeFileScanner4SeeDat struct { |
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version needle.Version |
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} |
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|
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func (scanner *VolumeFileScanner4SeeDat) VisitSuperBlock(superBlock super_block.SuperBlock) error { |
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scanner.version = superBlock.Version |
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return nil |
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} |
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|
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func (scanner *VolumeFileScanner4SeeDat) ReadNeedleBody() bool { |
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return true |
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} |
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|
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var ( |
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files = int64(0) |
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filebytes = int64(0) |
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diffbytes = int64(0) |
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) |
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|
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func Compresssion(data []byte) float64 { |
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if len(data) <= 128 { |
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return 100.0 |
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} |
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compressed, _ := util.GzipData(data[0:128]) |
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return float64(len(compressed)*10) / 1280.0 |
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} |
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|
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func (scanner *VolumeFileScanner4SeeDat) VisitNeedle(n *needle.Needle, offset int64, needleHeader, needleBody []byte) error { |
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t := time.Unix(int64(n.AppendAtNs)/int64(time.Second), int64(n.AppendAtNs)%int64(time.Second)) |
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glog.V(0).Info("----------------------------------------------------------------------------------") |
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glog.V(0).Infof("%d,%s%x offset %d size %d(%s) cookie %x appendedAt %v hasmime[%t] mime[%s] (len: %d)", |
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*volumeId, n.Id, n.Cookie, offset, n.Size, util.BytesToHumanReadable(uint64(n.Size)), n.Cookie, t, n.HasMime(), string(n.Mime), len(n.Mime)) |
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r, err := gzip.NewReader(bytes.NewReader(n.Data)) |
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if err == nil { |
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buf := bytes.Buffer{} |
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h := md5.New() |
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c, _ := io.Copy(&buf, r) |
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d := buf.Bytes() |
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io.Copy(h, bytes.NewReader(d)) |
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diff := (int64(n.DataSize) - int64(c)) |
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diffbytes += diff |
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glog.V(0).Infof("was gzip! stored_size: %d orig_size: %d diff: %d(%d) mime:%s compression-of-128: %.2f md5: %x", n.DataSize, c, diff, diffbytes, http.DetectContentType(d), Compresssion(d), h.Sum(nil)) |
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} else { |
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glog.V(0).Infof("no gzip!") |
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} |
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return nil |
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} |
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|
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var ( |
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_ = ioutil.ReadAll |
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volumePath = flag.String("dir", "/tmp", "data directory to store files") |
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volumeCollection = flag.String("collection", "", "the volume collection name") |
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volumeId = flag.Int("volumeId", -1, "a volume id. The volume should already exist in the dir. The volume index file should not exist.") |
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) |
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|
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func main() { |
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flag.Parse() |
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vid := needle.VolumeId(*volumeId) |
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glog.V(0).Info("Starting") |
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scanner := &VolumeFileScanner4SeeDat{} |
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err := storage.ScanVolumeFile(*volumePath, *volumeCollection, vid, storage.NeedleMapInMemory, scanner) |
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if err != nil { |
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glog.Fatalf("Reading Volume File [ERROR] %s\n", err) |
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} |
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} |
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