Ceph

Ceph: What is ‘sortbitwise’ flag?

After upgrading to Ceph Jewel release, users should set the ‘sortbitwise’ flag to enable the new internal object sort order.

  • “sortbitwise” is a change in the internal sorting algorithm.
  • It is exposed to end-user only because of legacy (pre- jewel) compatibility.
  • Latest  Ceph installation it should always be ‘on’
$ ceph osd set sortbitwise   // To set the sortbitwise
$ ceph osd unset sortbitwise // to unset the sortbitwise
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