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Louwrentius 2010-03-07 22:31:26 +00:00
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@ -17,12 +17,12 @@ To use PPSS in a distributed fasion, The following steps must be performed:
{{{
bash-3.2$ ./ppss.sh --help
|P|P|S|S| Distributed Parallel Processing Shell Script 2.41
|P|P|S|S| Distributed Parallel Processing Shell Script 2.60b1
PPSS is a Bash shell script that executes commands in parallel on a set
of items, such as files in a directory, or lines in a file.
Usage: ./ppss.sh [ MODE ] [ options ]
Usage: ./ppss [ MODE ] [ options ]
Modes are optional and mainly used for running in distributed mode. Modes are:
@ -62,6 +62,10 @@ Options are:
--delay | -D Adds an initial random delay to the start of all parallel jobs to spread
the load. The delay is only used at the start of all 'threads'.
--no-recursion|-r By default, recursion of directories is enabled when the -d option is
used. If this is not prefered, this can be disabled with this option
Only files within the specified directory will be processed.
The following options are used for distributed execution of PPSS.
--master | -m Specifies the SSH server that is used for communication between nodes.
@ -85,9 +89,12 @@ The following options are used for distributed execution of PPSS.
execution through PPSS. Only used in the deploy mode.
This option should be specified if necessary when generating a config.
--transfer | -t This option specifies that an item will be downloaded by the node
--download | -D This option specifies that an item will be downloaded by the node
from the server or share to the local node for processing.
--upload | -U This option specifies that the output file will be copied back to
the server, the --outputdir option is mandaory.
--no-scp | -b Do not use scp for downloading items. Use cp instead. Assumes that a
network file system (NFS/SMB) is mounted under a local mountpoint.
@ -100,15 +107,16 @@ The following options are used for distributed execution of PPSS.
Example: encoding some wav files to mp3 using lame:
./ppss.sh -c 'lame ' -d /path/to/wavfiles -j
./ppss -c 'lame ' -d /path/to/wavfiles -j
Running PPSS based on a configuration file.
./ppss.sh -C config.cfg
./ppss -C config.cfg
Running PPSS on a client as part of a cluster.
./ppss.sh -d /somedir -c 'cp /some/destination' -s 10.0.0.50 -u ppss -t -k ppss-key.key
./ppss -d /somedir -c 'cp /some/destination' -m 10.0.0.50 -u ppss -t -k ppss-key.key
}}}