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Cisco Bug: CSCsz27047 - OS Platform UI-related Upgrade-function enhancements

Last Modified

Nov 03, 2012

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

7.1(1.39000.152) 8.0(1) 8.6

Description (partial)

Symptom:
The UI during an upgrade times out giving the impression that the upgrade has failed.

Conditions:
The condition occurs when the client displaying the UI is more than moderately loaded.  During a UI-initiated upgrade, several performance and usability issues occur:

* Excess amounts of data are transmitted from the server to the UI that contain the log information
 * The excess data causes performance issues like CPU and memory utilization in the browser process on the client machine
 * Timing issues, such as long periods of no log updates, give the impression of a timeout from the UI perspective
 * Timeout errors when the upgrade has completed successfully give the impression that the upgrade has failed
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