[pca] PCA failling with some inetnum resolutions of a248.e.akamai.net

Martin Paul martin at par.univie.ac.at
Wed Apr 7 10:22:21 CEST 2010


Michael Jackson wrote:
> Has anyone else noticed any change in the behaviour of the Akamai download
> servers in the last couple of days  -- particularly if you're in the UK?

Seems as if you were (temporarily) redirected to a different set of 
local servers, and at least one of them had problems. Judging from my 
logfiles, the name a248.e.akamai.net is constant (it's probably Sun's 
handle with Akamai).

Here in Austria, I've been redirected to Akamai servers in the 
193.170.140.* network almost exclusively for the last months.

> Martin: As far as PCA is concerned, would it be possible to add something in
> the debugging output that showed a) the date/timestamp of the last successful
> Akamai download, and b) the a248.e ip address successfully downloaded from.

I'm not sure whether I understand what you really want here, but all 
that output is coming directly from wget anyway, so there's not much I 
can change here. If you want to collect debug data, I recommend setting 
up a local caching proxy with debug enabled. I have that, and so I could 
e.g. grep for "Resolving a248.e.akamai.net" in /tmp/pca-proxy-debug.txt 
easily to see whether something has changed.

Martin.



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