Difference between revisions of "BitTorrent (B. Cohen's version)"

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Line 13: Line 13:
 
* Book nodes interactively:
 
* Book nodes interactively:
 
   qsub -I -lnodes=...
 
   qsub -I -lnodes=...
* Start one client that has the full copy, on all other nodes, launch the client at the same time:
+
* Start one client that has the full copy
 +
  ssh <one-node> btdownloadheadless --url http://public.lille.grid5000.fr/~kdichev/{torrent file} &
  
 +
* On all other nodes, launch the client at the same time:
 
script-per-process.sh
 
script-per-process.sh
 
   #!/bin/bash
 
   #!/bin/bash
 
   cd /tmp ;  btdownloadheadless --display_interval 100 --url http://public.lille.grid5000.fr/~kdichev/{torrent file}
 
   cd /tmp ;  btdownloadheadless --display_interval 100 --url http://public.lille.grid5000.fr/~kdichev/{torrent file}
 
 
run.sh
 
run.sh
  ssh <one-node> btdownloadheadless --url http://public.lille.grid5000.fr/~kdichev/{torrent file} &
 
 
   mpirun -n 14 --machinefile hostfile  $PWD/script-per-process.sh
 
   mpirun -n 14 --machinefile hostfile  $PWD/script-per-process.sh

Revision as of 11:50, 13 December 2011

The modified bittorrent tarball is currently under the MPIBlib repository:

svn co https://hcl.ucd.ie/repos/CPM/trunk/MPIBlib/tests/bittorrent/bittorrent.tar.gz


  • Create a file of any size consisting of "s" characters only.
  • Create torrent file:
 btmakemetafile myfile.ext http://<frontend on G5K>:6969/announce
 bttrack --port 6969 --dfile dstate
  • Book nodes interactively:
 qsub -I -lnodes=...
  • Start one client that has the full copy
 ssh <one-node> btdownloadheadless --url http://public.lille.grid5000.fr/~kdichev/{torrent file} &
  • On all other nodes, launch the client at the same time:

script-per-process.sh

 #!/bin/bash
 cd /tmp ;  btdownloadheadless --display_interval 100 --url http://public.lille.grid5000.fr/~kdichev/{torrent file}

run.sh

 mpirun -n 14 --machinefile hostfile  $PWD/script-per-process.sh