Huge system slowdown while installing ports
gvibe06 at gmail.com
Mon Aug 2 09:19:49 PDT 2010
Just a shot in the dark ... but are you running Intego Virus Barrier
X6? Or one of Intego's other security apps?
If you are ... make sure to add your Macports folder to the exempt (Do
not Scan in Real Time) list....as Realtime monitoring from Intego will
cause exactly the issues you are stating. It seems to do exactly as
it advertises and scans every file, every time it is
touched/accessed....I ended up turning off Real Time monitoring and
just run scheduled scans/updates.
On Sun, Aug 1, 2010 at 5:48 PM, Scott Webster <sewebster at gmail.com> wrote:
> On Sun, Aug 1, 2010 at 10:37 AM, Ryan Schmidt <ryandesign at macports.org> wrote:
>> Ah, ok. Sounds like you have an extremely well-equipped Mac. And with this additional data, it sounds like there may be nothing wrong at all. You may just have had a bucketload of outdated ports that needed to be updated and it just took awhile. 13.5 hours still sounds like a lot to me, but I didn't see the whole list of ports that were outdated so I don't know.
>> Many ports can't take advantage of additional cores. Some software doesn't have that many non-interrelated things to compile. Other ports have parallel building turned off entirely because the software's Makefiles are broken and fail when building in parallel.
>> So you may be seeing the effect of just one or two jobs happening at once. Spread out over all your cores, it may not look like much in, say, Activity Monitor. I've noticed this too on an 8-core hyperthreaded Mac (16 virtual cores shown in Activity Monitor).
> Right. I think I agree with all the discussion, the thing I don't
> understand is the thread title. I would necessarily expect a computer
> like this to experience a "huge slowdown" when updating ports,
> ESPECIALLY if it wasn't actually using all the cores... ?
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