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Re: Over-eager swapping

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From: Wu Fengguang
Subject: Re: Over-eager swapping
Date: Wednesday, August 18, 2010 - 7:38 am

Chris,

Did you enable any NUMA policy? That could start swapping even if
there are lots of free pages in some nodes.

Are your free pages equally distributed over the nodes? Or limited to
some of the nodes? Try this command:

        grep MemFree /sys/devices/system/node/node*/meminfo

Thanks,
Fengguang
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Messages in current thread:
Over-eager swapping, Chris Webb, (Mon Aug 2, 5:47 am)
Re: Over-eager swapping, Minchan Kim, (Mon Aug 2, 4:55 pm)
Re: Over-eager swapping, Chris Webb, (Mon Aug 2, 8:31 pm)
Re: Over-eager swapping, Minchan Kim, (Mon Aug 2, 9:09 pm)
Re: Over-eager swapping, Wu Fengguang, (Mon Aug 2, 9:28 pm)
Re: Over-eager swapping, Minchan Kim, (Mon Aug 2, 9:47 pm)
Re: Over-eager swapping, Wu Fengguang, (Mon Aug 2, 11:39 pm)
Re: Over-eager swapping, Chris Webb, (Tue Aug 3, 2:49 pm)
Re: Over-eager swapping, Wu Fengguang, (Tue Aug 3, 7:21 pm)
Re: Over-eager swapping, Minchan Kim, (Tue Aug 3, 8:10 pm)
Re: Over-eager swapping, Wu Fengguang, (Tue Aug 3, 8:24 pm)
Re: Over-eager swapping, Chris Webb, (Wed Aug 4, 2:58 am)
Re: Over-eager swapping, Wu Fengguang, (Wed Aug 4, 4:49 am)
Re: Over-eager swapping, Chris Webb, (Wed Aug 4, 5:04 am)
Re: Over-eager swapping, Wu Fengguang, (Wed Aug 18, 7:38 am)
Re: Over-eager swapping, Chris Webb, (Wed Aug 18, 7:46 am)
Re: Over-eager swapping, Wu Fengguang, (Wed Aug 18, 8:21 am)
Re: Over-eager swapping, Christoph Lameter, (Wed Aug 18, 8:57 am)
Re: Over-eager swapping, Lee Schermerhorn, (Wed Aug 18, 8:57 am)
Re: Over-eager swapping, Chris Webb, (Wed Aug 18, 8:58 am)
Re: Over-eager swapping, Christoph Lameter, (Wed Aug 18, 9:13 am)
Re: Over-eager swapping, Wu Fengguang, (Wed Aug 18, 9:13 am)
Re: Over-eager swapping, Wu Fengguang, (Wed Aug 18, 9:20 am)
Re: Over-eager swapping, Chris Webb, (Wed Aug 18, 9:31 am)
Re: Over-eager swapping, Chris Webb, (Wed Aug 18, 9:32 am)
Re: Over-eager swapping, Balbir Singh, (Wed Aug 18, 9:45 am)
Re: Over-eager swapping, Balbir Singh, (Wed Aug 18, 10:13 pm)
Re: Over-eager swapping, Balbir Singh, (Wed Aug 18, 10:16 pm)
Re: Over-eager swapping, Chris Webb, (Thu Aug 19, 3:20 am)
Re: Over-eager swapping, Christoph Lameter, (Thu Aug 19, 12:03 pm)