Configuring message queues on UNIX and Linux

In UNIX and Linux systems, the Client daemon communicates internally using inter-process communication message queues.

In systems other than AIX®, the default configuration settings for these queues are too small to allow for large client data flows (such as 3270 maps or user COMMAREAs). Some symptoms of this problem are:

Change the configuration settings of the message queues to allow for large client data flows. The way that you do this depends on your operating system.


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Timestamp icon Last updated: Tuesday, 19 November 2013


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