Bug 59233 - Default Max. Message Queues Too Small
Default Max. Message Queues Too Small
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i686 Linux
medium Severity medium
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Assigned To: Arjan van de Ven
Brian Brock
Depends On:
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Reported: 2002-02-03 01:05 EST by Ivan Wong
Modified: 2007-04-18 12:39 EDT (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2003-06-07 21:04:06 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Ivan Wong 2002-02-03 01:05:30 EST
From Bugzilla Helper:
User-Agent: Mozilla/4.0 (compatible; MSIE 5.0; Windows 98; DigExt)

Description of problem:
Default max. message queues in RedHat 6.2 is 128 but in RedHat 7.2 is
only 16.  All other ipc limits are increased except for this one for
no good reason.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. ipcs -l and you can see it

Additional info:

This can be easily get around by changing the configuration.  I think
it's a mistake to be so small by default.  A value of 128 or 256 is
probably more appropriate.
Comment 1 Alan Cox 2003-06-07 21:04:06 EDT
This is configurable at runtime via /proc/sys/kernel/msgmni

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