~ubuntu-branches/ubuntu/quantal/ceph/quantal

#!/usr/bin/perl

# hi there

{

        # startup

        'n' => 30,         # number of mpi nodes

        'sleep' => 3,      # seconds to sleep between runs (so you have time to control-c out)

        'nummds' => 1,   

        'numosd' => 6,

        'numclient' => 100,

        

        'until' => 100,     # --syn until $n  ... synthetic client will stop itself after this many seconds.

        'kill_after' => 300, # seconds before everything commits suicide (in case something hangs)

 

        # stuff i want to vary

        # here's a simple example:

 

        # do --syn writefile command

        'writefile' => 1,    

        # and very the write size

        'writefile_size' => [ # vary 

#                                                 2048*1024,

                                                  1024*1024,

                                                  512*1024,

                                                  256*1024,

                                                  128*1024,

                                                  64*1024,

                                                  48*1024,

                                                  32*1024,

                                                  28*1024,

                                                  24*1024,

                                                  16*1024,

                                                  12*1024,

                                                  8*1024,

                                                  4096,

#                                                 256,

#                                                 16,

#                                                 1

                                                  ],

        'writefile_mb' => 1000,    # each client shoudl write 1GB (or more likely, keep going until time runs out)

        

        'file_layout_num_rep'=> [1,2],  # also vary the replication level

 

        # pass some other random things to newsyn

        'custom' => '--',

 

        # for final summation (script/sum.pl)

        # specify time period to look at the results

        'start' => 30,    # skip first 30 seconds, so that caches are full etc.

        'end' => 90,      # go for 60 seconds 

 

        # what should i parse/plot?

        'comb' => {

                'x' => 'writefile_size',

                'vars' => [ 'osd.c_wrb', 'osd.r_wrb' ], 

        }

};