Hi,

Lately http://trac.sagemath.org has been freezing at least 1-2 times
per day, for various reasons I don't understand yet.  It doesn't
crash, the process keeps running, but the web server stops responding.
  I think this might have to do with heavy load as the site gets
indexed (?), and the sqlite database just fails somehow.  I really
have no idea.  Anyway, until this gets resolved (possibly by switching
to a different database backend), I wrote a script that watches
trac.sagemath.org, and if it stops responding for more than about 2
minutes, it will automatically restart the server.

Regarding sagenb.org, I completely rebuilt the sage install from
scratch since I was getting ocassional "illegal instruction" errors
from the web server.  I may have installed sage from a binary before,
so rebuilding should fix this problem.

 -- William

-- 
William Stein
Associate Professor of Mathematics
University of Washington
http://wstein.org

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