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Full Discussion: Coredumps and swap - was part of Solaris Mem Consumption
Operating Systems Solaris Coredumps and swap - was part of Solaris Mem Consumption Post 302223592 by Neo on Sunday 10th of August 2008 01:51:41 PM
Old 08-10-2008
Again, I do agree with reborg.

This was a thread about sizing for swap space, not about a side bar about numerous technical points that are interesting, but logically, a fallacy, because the basic premise that reborg said is correct.

You simply do not need swap for panic dumps, and certainly not for savecores (see I got the distinction right this time).

For example, I think reborg is working on a site upgrade with 16GB of RAM. If he said, hey Neo, I am going to configure ZERO swap, I would say, OK, you will get no push back from me.

But, knowing reborg over the years here (but not yet over a BBQ with lots of beer), he will more-than-likely configure around 4GB Linux swap for 16GM of RAM, but I could be wrong.
 

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LEARN ABOUT DEBIAN

swap-offset

SWAP-OFFSET(8)							    swap-offset 						    SWAP-OFFSET(8)

NAME

       swap-offset - program to calculate the offset of a swap file in a partition

SYNOPSIS

       swap-offset [<swap_file>]

DESCRIPTION

       This manual page documents briefly the swap-offset.

       This manual page was written for the Debian(TM) distribution because the original program does not have a manual page.

       The programs s2disk and s2both can be used to save the state of the whole system to a swap partition or file and power off or suspend your
       system. After restarting your system it will be put back in the exact system state you left it (this is sometimes called hibernation).

       In the case of using a swap file you will have to specify the location of the swap file's header as the offset from the beginning of the
       partition that contains the swap file. The swap-offset utility can be used to determine this value.

SEE ALSO

       uswsusp.conf(8), s2disk(8)

       For more information see the HOWTO and the README

AUTHOR

       This manual page was written by Tim Dijkstra tim@famdijkstra.org for the Debian(TM) system (but may be used by others). Permission is
       granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later version
       published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

AUTHOR

       TimTim DijkstraDijkstra <tim@famdijkstra.org> <tim@famdijkstra.org>
	   Wrote this manpage for the Debian system.

COPYRIGHT

       Copyright (C) 2006 Tim Dijkstra

uswsusp 							   juni 24, 2006						    SWAP-OFFSET(8)
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