7 Mar 2013
gfstress.rb 1 Gfarm
gfstress.rb Gfarm stress test
`gfstress.rb` -t, --testdir test directory -m, --gfarm2fs gfarm2fs mount point -n, --number number of pseudo users -T, --timeout timeout(seconds)

## DESCRIPTION

This comannd executes gfperf-metadata, gfperf-tree, gfperf-read, gfperf-write, gfperf-replica in parallel to make gfarm system high load average. gfperf-read, gfperf-write, gfperf-replica are executed for each gfsd servers.

This command runs until an error occured by default. If you need to stop, press Ctrl-C or send TERM signal. If you want set timeout, -T option is usable.

Number of pseudo users means multiplex set of gfperf-metadata, gfperf-tree, gfperf-read, gfperf-write, gfperf-replica. Same as multiplex execution of this command.

If gfarm2fs mount point is specified, more gfperf-metadata, gfperf-tree, gfperf-read, gfeprf-write commands that use gfarm2fs are executed.

## OPTIONS

`-t, --testdir` test_directory

  This directory is used for high load average test. The default is gfarm:///stress . All files and directories are removed at the end of testing.

`-m, --gfarm2fs` gfarm2fs_mountpoint

  Specify gfarm2fs mount point

`-n, --number` number_of_pseudo_users

  Specify number of pseudo users.

`-T, --timeout` seconds

  Specify timeout.