[HEADS-UP] Rawhide: /tmp is now on tmpfs

Guido Grazioli guido.grazioli at gmail.com
Fri Jun 1 16:34:52 UTC 2012


2012/6/2 Gregory Maxwell <gmaxwell at gmail.com>:
> On Fri, Jun 1, 2012 at 11:09 AM, Reindl Harald <h.reindl at thelounge.net> wrote:
>> well designed machines do NOT swap and have not alligend
>> swap at all - in the case of virtualization you MUST NOT
>> enforce swapping if you really like perofrmance
>
> I'm sorry, I couldn't quite hear you— perhaps more all-caps would help? :-)
>
> The dogmatic 'swap is bad for performance' is justified only because
> writing/reading a slow disk is bad for performance.
>
> Tmpfs helps your system avoid disk i/o by giving your system more
> flexibility in how it manages all of the available temporary space.
>
> It's something that people who are very concerned with swap impact on
> performance should appreciate greatly.
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Is all this discussion about performance, optimization and
memory management based on some benchmarks as well,
or it is only a "feels like" flame?



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Guido Grazioli <guido.grazioli at gmail.com>
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