Yesterday I started up sage 4.6.2 on one of our compute servers,
started the notebook interface, and connected to from firefox on my
workstation.  I started up a notebook session, where I constructed a
particular elliptic curve over GF(2^351), and a point on it.  I
(unwisely) tried

P1.order()

When it didn't come back after 30 seconds or so, I realized that I was
implicitly asking Sage to compute the order of the curve and then
factor that order, so I tried to kill it by using Interrupt, which
didn't work, so I restarted the worksheet.  However, at that point
things became non-responsive.  I eventually ended up logging onto the
server and stopping sage.  About an hour later the computer
administrator came into my office saying that I had nearly brought the
compute server to its knees because I had started 1300 processes (all
running something in the sage directory)!  Has anybody seen anything
like this before?

Victor

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