[Gluster-devel] Release 3.10 feature proposal : Estimate time to complete rebalance

[Nithya Balachandran]

There is no way at present to determine when a rebalance operation will
complete. This requires admins to keep monitoring the rebalance operation.

The proposed approach will calculate the estimated time every time the
rebalance status command is issues. The value will be displayed along with
the rebalance status output.

   1. Determine the number of files on a brick using statfs
   2. Calculate the rate at which files have been processed so far
   3. Calculate the time required to complete the operation based on 1 and
   2.

This approach will provide a rough estimate of the time required and will
be updated every time the status command is issues.


This has been requested by users several times in the past.

Issue opened at [1].


Regards,

Nithya


[1] https://github.com/gluster/glusterfs/issues/58
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