Metadata Update Performance in File Systems

  title={Metadata Update Performance in File Systems},
  author={Gregory R. Ganger and Yale N. Patt},
Structural changes, such as file creation and block allocation, have consistently been identified as file system performance problems in many user environments. We compare several implementations that maintain metadata integrity in the event of a system failure but do not require changes to the on-disk structures. In one set of schemes, the file system uses asynchronous writes and passes ordering requirements to the disk scheduler. These scheduler-enforced ordering schemes outperform the… CONTINUE READING
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