** Changed in: horizon
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1241467
Title:
precision of floating point metering stats is discarded unnecessarily
Status in OpenStack Dashboard (Horizon):
Fix Released
Status in OpenStack Dashboard (Horizon) havana series:
Fix Committed
Bug description:
Ceilometer returns aggregated statistical values as float, whereas the
'resource usage' panel narrows to int before inserting these data into
the line chart.
For meters defined over a narrow range (such as cpu_util ranging from
0.0% to 100.0%) this has the effect of unnaturally smoothening the
graph by discarding precision.
If it really was crucial that the line chart contain only ints, then
the float->int conversion should be a round:
i = int(round(f, 0))
as opposed to narrowing cast:
i = int(f)
However, AFAICS there's no reason why these raw data couldn't be
represented directly as floats in the line chart.
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