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From: "Valentin Vidić" <>
Subject: Re: Alternate method of running swapon?
Date: Wed, 8 Jan 2020 21:28:20 +0100
Message-ID: <> (raw)
In-Reply-To: <>

On Wed, Jan 08, 2020 at 03:08:42PM -0500, Jeffrey Walton wrote:
> It looks like this is coming from the OpenVZ folks. They feel a
> swapfile would negatively impact performance, so it is disabled.

Yep, since this is not a full VM but rather a container, there is
not much to do other than buying a bigger VPS.

> (I'm not sure how a DoS is considered a good result, given an OOM kill
> just about always knocks out MySQL).

Swap in a way converts memory access into disk IO. And since a lot of disk
IO can harm all services running on the host, for the operator it is safer
to OOM kill one process and save all the others :)


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Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-08 18:09 Jeffrey Walton
2020-01-08 18:23 ` Valentin Vidić
2020-01-08 18:33   ` Jeffrey Walton
2020-01-08 18:42     ` Valentin Vidić
2020-01-08 20:08       ` Jeffrey Walton
2020-01-08 20:28         ` Valentin Vidić [this message]
2020-01-08 18:26 ` Bernd Petrovitsch
2020-01-08 22:23   ` Jeffrey Walton
2020-01-08 18:31 ` Greg KH

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