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BUG #5264: could not create shared memory segment: Invalid argument

From: "venkat nemani" <nemani(dot)venkat87(at)gmail(dot)com>
To: pgsql-bugs(at)postgresql(dot)org
Subject: BUG #5264: could not create shared memory segment: Invalid argument
Date: 2010-01-05 07:06:45
Message-ID: 201001050706.o0576jEE057988@wwwmaster.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-bugs
The following bug has been logged online:

Bug reference:      5264
Logged by:          venkat nemani
Email address:      nemani(dot)venkat87(at)gmail(dot)com
PostgreSQL version: 8.4
Operating system:   ubuntu 9.10
Description:        could not create shared memory segment: Invalid argument
Details: 

* Restarting PostgreSQL 8.4 database server                                 
                                                * The PostgreSQL server
failed to start. Please check the log output:
2010-01-05 12:30:00 IST FATAL:  could not create shared memory segment:
Invalid argument
2010-01-05 12:30:00 IST DETAIL:  Failed system call was shmget(key=5432001,
size=1108156416, 03600).
2010-01-05 12:30:00 IST HINT:  This error usually means that PostgreSQL's
request for a shared memory segment exceeded your kernel's SHMMAX parameter.
 You can either reduce the request size or reconfigure the kernel with
larger SHMMAX.  To reduce the request size (currently 1108156416 bytes),
reduce PostgreSQL's shared_buffers parameter (currently 131072) and/or its
max_connections parameter (currently 803).
	If the request size is already small, it's possible that it is less than
your kernel's SHMMIN parameter, in which case raising the request size or
reconfiguring SHMMIN is called for.
	The PostgreSQL documentation contains more information about shared memory
configuration.        [fail]

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Next:From: Craig RingerDate: 2010-01-05 10:26:41
Subject: Re: BUG #5264: could not create shared memory segment: Invalid argument
Previous:From: Jozsef SzalayDate: 2010-01-05 01:43:17
Subject: BUG #5263: Query execution fails with "ERROR: FULL JOIN is only supported with merge-joinable join conditions"

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