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[Akihiro Motoki <1444456@xxxxxxxxxxxxxxxxxx>]

The metering panel has been dropped in horizon in several releases ago.

** Changed in: horizon
       Status: In Progress => Won't Fix

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https://bugs.launchpad.net/bugs/1444456

Title:
  Performance leak in "metering" dashboard

Status in OpenStack Dashboard (Horizon):
  Won't Fix

Bug description:
  Some types of requests to ceilometer in metering dashboard are not
  optimized. So we have a performance hit in environments with huge
  amount of ceilometer data.

  Main bottlenecks which I see are the following:
  * Using a meter-list for getting a "unit" for metric. Meter list gets all available metrics on environment, it may be a thousands of records. It's better to use sample-list for this metric with "limit" 1. It gets only single sample for metric.
  * 7 day period by default for collecting statistics. On huge amount of data it may freeze the Horizon and Ceilometer API, it's better to get one day statistics by default.

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