Re: [gentoo-user] Howzat!

[Florian Philipp <lists@binarywings.net>]

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Am 18.04.2011 10:12, schrieb Neil Bothwick:
> On Mon, 18 Apr 2011 09:52:56 +0200, Florian Philipp wrote:
> 
>>> it's tedious to install things
>>> through an intermediary system all the time. The fullsize laptop, when
>>> it gets its rebuild over the next week (it's been a windows 2k3 server
>>> development system lately)
> 
>> My strategy for getting Gentoo on a netbook with an SSD is to use NFS
>> for PORTAGE_TMPDIR. Works nicely and makes less work than building
>> everything remote.
> 
> Doesn't using NFS slow compilation right down. I have a script on
> the build host that enters the chroot and runs emerge -uD --changed-use
> world, right after cron does emerge --sync, so the packages are
> automatically available. Ass --usepkg to EMERGE_DEFAULT_OPTS on the
> netbook and everything is transparent and no work at all (apart from a
> couple of packages that won't build in the chroot).
> 
> 

I haven't noticed any slowdown. I use a 100 MBit/s connection. That's
nearly 12 MiB/s. The SSD has a write-speed of maybe 4-8 MiB/s. Actual
throughput (monitored with iftop) was usually lower that 40 Mbit/s.
Maybe latency was a bit higher and NFSv4 could have helped with that but
I think it was negligible compared to the compiling performance of the
Atom processor.

Sure, a build host would have been better but it also meant more work. I
also thought about using ATAoE, iSCSI or something alike to mount the
SSD from a more powerful computer (using a live-system to avoid obvious
problems when mounting the FS twice). Again - too much fuss. I usually
just do security updates and then a full update every six months or so.

Regards,
Florian Philipp


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