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Posted to dev@ambari.apache.org by "Andrii Tkach (JIRA)" <ji...@apache.org> on 2015/05/12 15:59:59 UTC
[jira] [Created] (AMBARI-11064) Widgets: Graph change API calls to
use null padding rather than zero padding (graphs are misleading for recent
data points as they are shown as zero when there's no data)
Andrii Tkach created AMBARI-11064:
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Summary: Widgets: Graph change API calls to use null padding rather than zero padding (graphs are misleading for recent data points as they are shown as zero when there's no data)
Key: AMBARI-11064
URL: https://issues.apache.org/jira/browse/AMBARI-11064
Project: Ambari
Issue Type: Task
Components: ambari-web
Affects Versions: 2.1.0
Reporter: Andrii Tkach
Assignee: Andrii Tkach
Priority: Critical
Fix For: 2.1.0
Ambari Metrics API have recently changed to automatically pad missing data with zeros.
However, this creates strange user experience where more recent data, if the metrics collection is somehow lagging, to drop off to zero. This is misleading.
We should convert the API calls to use null padding and make sure to not show any data in case of null (rather than zero).
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