[Planetlab-users] New debugging tool -- we want to help fix your application!

[Dennis Geels]

Happy New Year, fellow PlanetLab users

  We are very proud to announce Friday, a new debugging tool for distributed
applications.  Friday helps find distributed and non-deterministic bugs in
your C/C++ programs by recording execution and replaying the traces in a
global predicate evaluation engine.  More information, including links to
our publications, is the project
website<http://www.cs.berkeley.edu/%257Egaltekar/debugging/>
.

  Tomorrow, as 2007 begins, so we begin a new Friday trial program.  We are
looking for volunteers from the PlanetLab community of distributed system
builders to try our tools on their applications.  If you have a running
prototype that is not yet 100% bug-free, please contact
us<geels at cs.berkeley.edu>,
and we will help you get started with Friday and show you how to use the
replay and predicate evaluation engines.  We are specifically looking for
distributed systems with distributed and non-deterministic bugs, because
that's what we designed Friday to address.  You will get support on a
powerful new debugging tool and a better prototype, and we will learn how
well Friday works for a wider variety of applications as well as what still
needs work.
  We do not have unlimited support resources, so we will choose only the
first few groups who respond with suitable applications.  If you need extra
incentive to reply promptly, keep in mind that the SIGCOMM deadline is at
the end of January, and we may be able to help fix your bugs in time to run
your experiments.

Dennis and the Friday team
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