Swap causing huge latency on disk IO operations

[Sudharsan Vijayaraghavan]

Hi Greg,

My general question is that has the community seen "swap latency issues
with disk IO" in general. Further can we assume that later kernels (like
4.4) does not exhibit such a behavior.

Thanks,
Sudharsan

On Sun, Sep 10, 2017 at 10:32 AM, Greg KH <greg at kroah.com> wrote:

> On Sun, Sep 10, 2017 at 12:06:36AM +0530, Sudharsan Vijayaraghavan wrote:
> > Hi All,
> >
> > We are running a pretty (rather a very old kernel) 2.6.32. Nevertheless
> we do
> > see huge latency on disk IO once system starts using swap.
>
> That's your problem, 2.6.32 is _very_ old and obsolete.  No one in the
> community can help you out with that release anymore, sorry.
>
> Please go get support from the company that is forcing you to stay at
> such an old kernel version, as you are already paying them for that
> support.
>
> I strongly recommend you use a more modern kernel release, you will find
> that things should be _much_ better...
>
> good luck!
>
> greg k-h
>
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