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Re^2: Rsh dies with EADDRINUSE

by bluto (Curate)
on Mar 01, 2007 at 20:15 UTC ( #602771=note: print w/replies, xml ) Need Help??


in reply to Re: Rsh dies with EADDRINUSE
in thread Rsh dies with EADDRINUSE

Get out your platform shoes. I know people that use rsh to fire up processes on trusted remote machines this way (e.g. think 1000s of machines connected on a private network). It gets around some authentication overhead, encryption, and having to set things up in something like inetd on each machine (esp if you aren't the admin and politics rule). Sadly, since scaling configuration and performance does become an issue to them, using rsh becomes a very tempting, easy way...

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[Corion]: On the upside, I spend a lot of time thinking this weekend about how to actually implement rate limiting for futures, and if things work out, maybe even loading a configuration from an external file makes sense
[Corion]: I've also found some interesting invariants that I have to think/write about more. A simple rate limiter will never change the order of the input, while a limiter that allows for parallel execution will change the order. But my API currently allows for bo
[Corion]: ... for both, and I'm not sure if I want to add the cruft from the parallel API (a token that you need to hold on to while you hold the lock) to the rate limiting API too, to allow seamless up/downgrades, or not.
[Corion]: Also, rate limiting will look great with await: my $token = await $limiter-> limit($hostname); instead of my $f = $limiter->limit( $hostname )->then(sub { my( $token)=@_; ... });

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