seaweedfs/weed/tools/read_index.go

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package main
import (
"flag"
"fmt"
"log"
"os"
"github.com/chrislusf/seaweedfs/weed/storage"
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"github.com/chrislusf/seaweedfs/weed/storage/types"
)
var (
indexFileName = flag.String("file", "", ".idx file to analyze")
)
func main() {
flag.Parse()
indexFile, err := os.OpenFile(*indexFileName, os.O_RDONLY, 0644)
if err != nil {
log.Fatalf("Create Volume Index [ERROR] %s\n", err)
}
defer indexFile.Close()
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storage.WalkIndexFile(indexFile, func(key types.NeedleId, offset types.Offset, size uint32) error {
fmt.Printf("key %d, offset %d, size %d, nextOffset %d\n", key, offset*8, size, int64(offset)*types.NeedlePaddingSize+int64(size))
return nil
})
}