[GRASS5] grass.itc.it: up again - IP traffic restrictions
neteler at itc.it
Wed Jun 4 05:32:35 EDT 2003
The main site 'grass.itc.it' is up again - the provider
has resolved the network problems.
As the internet traffic consumed nearly all bandwidth of
our institute, we have activated "apache-throttle" to keep
the maximum traffic below a certain limit over a given period.
If you get a message:
"503 - Service temporarily not available"
the server is overloaded. Please use a mirror site close to you.
Probably the "throttle" parameters have to be tuned in a few days.
The current policy is:
- allow 1 Mbit/4sec in general, otherwise "sleep" two seconds
- allow 500Kbit/2sec per IP, otherwise "sleep" two seconds
We have to see how to treat short peaks.
Mirroring with rsync - changes:
Also the mirror sites will be reorganized to use cascaded mirroring.
rsync connections to grass.itc.it will be only allowed for a few
mirror sites. These mirror sites will provide rsync access for
other mirrors and third party connections.
All changes are needed to reduce the network load here at ITC-irst.
Sorry for any inconvenience,
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