parallel processing - Using maximum remote servers -


im trying distribute commands 100 remote computers, noticed commands being sent 16 remote computers. local machine has 16 cores. why parallel using 16 remote computers instead of 100?

parallel --eta --sshloginfile list_of_100_remote_computers.txt < list_of_commands.txt

i believe need specify number of parallel jobs executed.

according parallel man:

--jobs n

-j n

--max-procs n

-p n

number of jobslots. run n jobs in parallel. 0 means many possible. default 100% run 1 job per cpu core.

and keep in mind:

when start more 1 job -j option, reasonable assume each job might not take same amount of time complete. if care seeing output in order file names presented parallel (instead of when completed), use --keeporder option.

parallel multicore @ command line gnu parallel, admin magazine


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