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Home > Success Center > Network Performance Monitor (NPM) > Missing data from graphs at certain intervals

Missing data from graphs at certain intervals

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Created by Jeremy Holmes, last modified by MindTouch on Jun 23, 2016

Views: 1,732 Votes: 0 Revisions: 3

Overview

This article explains a possible scenario why data is missing from graphs or appear unusual at certain intervals.

Environment

Orion 2013 and later

Detail

While there are plenty of technical reasons why data is missing from the graph, looking at the Graph Data Point Interval setting by clicking Edit on the graph can help troubleshoot this issue. This setting determines how often a data point is placed on the graph. 

Conflicts or mismatches of this setting with the polling interval of the device that is being monitored affects the graph result. For example, if a node only polls the CPU every 10 minutes and the graph is set to a 1 minute interval, there will not be enough data points to display as the database does not have data for every minute. 

 

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