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'rados bench' in RHCS1.3 prints time in nano-second accuracy, thus rendering the output unreadable.

Solution In Progress - Updated 2016-05-18T13:10:14+00:00 -

Issue

The command 'rados bench' is used to measure the performance of a Ceph cluster by writing data to the underlying OSD disks.
rados bench prints the time in nano-second accuracy which makes it unreadable in certain circumstances.
An example:

2016-04-28 09:00:01.136545min lat: 0.00182504 max lat: 16.7497 avg lat: 0.0904326

In the above example, 'min lat:' is seen appended to the time '09:00:01.136545', which makes it difficult to read and understand.

Environment

Red Hat Ceph Storage 1.3

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