gfstress.rb
[-t, --testdir test directory
] [-m, --gfarm2fs gfarm2fs mount point
] [-n, --number number of pseudo users
] [-T, --timeout timeout(seconds)
]
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.
-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.