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[KB1071]Networking compatibility issue between version 12 and version 11.2.6086 (from 05/08/2019) and higher

Tags: Client, Networking

Communication interfaces
4 years ago
By LM
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Applies to:

PcVue 12.0.7 to PcVue 12.0.15
Summary:

This issue generates a memory leak on an acquisition server station running a version between 11.2.6086 and 11.2.6093 communicating with a client station running a version 12.

The leak occurs on each restart of the client workstation.
Details:

The leak occurs on each restart of the client workstation.
The size of this leak is proportional to the number of permanent subscriptions on variables issued by the client workstation to the server workstation. Knowing that a subscription occupies 250 bytes, if the client workstation subscribes to 10,000 variables, the leak will be 2.5 Megabytes each time the client restarts.
Versions 12.0.16 and 11.2.6094 fixe this memory leak.


Created on: 16 Jul 2020 Last update: 30 May 2024