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NetQoS Performance Center slowly loads views

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Article ID: 5758

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Updated On:

Products

CA Network Flow Analysis (NetQos / NFA)

Issue/Introduction

NetQoS Performance Center has experienced increasing slowness when loading pages with graphical views.

Cause

NPC uses a graphics folder to save temp files of graphics loaded by NPC.  These may be retained for a long time.  Many files may build up in the directory, especially if an auto-refresh is enabled with many graphical view.  This directory is located here:

<InstallDirectory>\portal\WebSite\Graphics

Windows Server doesn't perform well when the file count gets very high.

Environment

Windows Server 2008 R2

Resolution

If you have a very high file count in this folder, it is safe to delete these .PNG files from the folder.  After doing so, you should see a marked performance increase.

Additional Information

We have observed file counts as high as 1.2 million in this folder.  NPC views were taking as long as 45-60 seconds to load.

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