[olug] anyone having trouble with recent Linuxes on 32-bit servers?

[Kevin]

ionice is just the command that nice is running. You could run ionice by
itself, or put any command in place of ionice to run at reduced CPU
priority.

On Sun, Dec 4, 2016 at 8:14 AM, Lou Duchez <lou at paprikash.com> wrote:

> About a month ago, I installed updates to Fedora 24 on a variety of
> servers, and the 64-bit servers were all fine, but the 32-bit servers
> suddenly started having memory issues.  Like, the servers would crash under
> load (such as when copying lots of files in a backuip), the oom-killer
> would get invoked frequently, and so on. Anyone else experience the like?
> Does anyone have recommendations?
>
> One thing I did to mitigate the problem somewhat, though not solve it, was
> to make use of nice and ionice.  "nice" manages the CPU priority of a task,
> and "ionice" manages the I/O priority of a task; between the two of them,
> you can instruct Linux to run a task at low CPU and I/O priority.  This
> helped with some of the tasks that were causing trouble, such as backup
> processes.
>
> To run a command as low priority, it is:
>
> /usr/bin/nice -n19 /usr/bin/ionice -c2 -n7 [your command here]
>
> And yes you can turn that into a handy little script, so you can simply
> run "[script name] [your command here]":
>
> ---
>
> #!/bin/bash
>
> /usr/bin/nice -n19 /usr/bin/ionice -c2 -n7 $*
>
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