Re: swapping and the value of /proc/sys/vm/swappiness

William Lee Irwin III
2004-09-09T17:24:20Z

William Lee Irwin III wrote:
>> Please log periodic snapshots of /proc/vmstat during runs on kernel
>> versions before and after major behavioral shifts.

On Thu, Sep 09, 2004 at 09:16:08AM -0500, Ray Bryant wrote:
> Attached is the output you requested for two kernel versions: 2.6.8.1-mm4
> and 2.6.9-rc1-mm3 + the nrmap_patch (that patch didn't make much difference
> so this should be good enough for comparison purposes, and it was the
> kernel I had built.)
> Because there are so many parameters in /proc/vmstat, I had to split the
> output up (more or less arbitarily) into three files to get something you
> could actually look at with an editor. Even then it requires 100 columns
> or so.

This will do fine. I'll examine these for anomalous maintenance of
statistics and/or operational variables used to drive page replacement.

Thanks.

-- wli