unixjunkie / par Goto Github PK
View Code? Open in Web Editor NEWExecute shell commands in a parallel and/or distributed way
Home Page: https://savannah.nongnu.org/projects/par
License: GNU General Public License v3.0
Execute shell commands in a parallel and/or distributed way
Home Page: https://savannah.nongnu.org/projects/par
License: GNU General Public License v3.0
If you use this software, please cite the corresponding publication: @article{Berenger2010, author = {Berenger, Francois and Coti, Camille and Zhang, Kam Y. J.}, title = {{PAR: A PARallel And Distributed Job Crusher}}, doi = {10.1093/bioinformatics/btq542}, year = {2010}, journal = {Bioinformatics} } # you need to install Pyro, cf. http://pyro.sourceforge.net # (sudo yum install pyro _OR_ sudo aptitude install pyro) # On the server, TCP port 7766 must be open # TCP port 9090 must also be open if the server is also # the Pyro nameserver (default case) # if Pyro is not installed system wide, try this: export PYTHONPATH=~/usr/Pyro-3.10/build/lib # Some usage examples: # run in parallel commands from test_parallel.input cat test_parallel.input | ./parallel.py -i /dev/stdin # same than before but with a progress bar cat test_parallel.input | ./parallel.py -i /dev/stdin -v # run in parallel commands from test_parallel.input and store output # in output.log ./parallel.py -i test_parallel.input -o output.log # same than before but with a user defined output printer ./parallel.py -i test_parallel.input -o output.log -p post_proc_example ## real world usage example # 1) server side ./parallel.py -v -i many_commands.sh -o par_many_commands.log -s # 2) client side, on each machine you want to join the computation # replace SERVER_NAME by the machine name from where you launched # parallel.py using -s ./parallel.py -c SERVER_NAME # 3) be thrilled! ;)
instead of forcing users to provide either -c or -i currently
grouping of requests
ex: -n 10 will request 10 jobs each time
option is on the client side and
the default is 1 (current behavior)
as in "send workers quickly to work"
par_catapult.sh host_file
If PAR was killed, there should be a file
on disk allowing to continue the job from where it was left
or an option to tell PAR to ignore the first N commands
in a commands file
results should appear in the same order than the commands
were read in
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