[PC-BSD Testing] upgrading.. slower than needs be

Kris Moore kris at pcbsd.org
Fri Dec 16 08:54:23 PST 2011


On 12/16/2011 11:35, Julian Elischer wrote:
> On 12/5/11 8:02 AM, Kris Moore wrote:
>> On 12/01/2011 21:06, Julian Elischer wrote:
>>> On 12/1/11 5:03 PM, Julian Elischer wrote:
>>>> Watching the RC1->RC2 upgrade on my nice shiny new 15Mb/sec internet
>>>> link, I now see that teh upgrade process does one file at a time.
>>>> it would be a lot faster to overlap the downloads if it were
>>>> possible. Does the upgrade process know of more than one file that it
>>>> needs to get?
>>>
>>> One could at least make the fetch of the checksum file be done in
>>> parallel, so that the tcp handshake is done during the transfer of the
>>> main file.
>>> Looking at my system upgrading however it looks as though there is
>>> something else that should be found too.
>>> It's 95 % idle, yet it is only asking for each file, one at a time
>>> with large gaps between them.(10 seconds)?
>>> Disk I doesn't seem to be  a bottleneck either so I can't work out
>>> what the holdup is.
>>
>> I'll see what we can do to speed this up :) Parallel downloads would
>> help for sure, if anything we can do the md5 at the same time.
>>
>
> looking at the new announcement..
>
> several other things
> In RC2 when I try log in as root to do the upgrade to RC3 lots of
> windows come up 'greyed out' and I can't make the take notice..  for
> example the upgrade control window.. not  idea what that is about.
>
> When I do it from MY login it works but the upgrade seems to always go
> to pcbsd.org and never to a mirror.. I can't make it take notice of
> the 'mirror' setting in the PCBSD control panel.
>  looks like I'm beating up someone's DSL link... it's slow.
>
The initial patch meta-data (less than 10k) is downloaded from our
master update server. After that, the rest comes from your selected
mirror. Check /usr/local/etc/pcbsd.conf to see what mirror is set.

> not the upgrade failed once, and it seems confused about whether it is
> done or not..  how do I check? where are the files stored?
>
>
The upgrade files are stored in /usr/local/tmp/9.0-RC3

> how do I manually kick it off and how do I tell it to go to somewhere
> fast?
>
>

# pc-updatemanager install 9.0-RC3




-- 
Kris Moore
PC-BSD Software
iXsystems



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