ceph/src/jobs/example

   1 #!/usr/bin/perl
   2 # hi there
   3 {
   4         # startup
   5         'n' => 30,         # number of mpi nodes
   6         'sleep' => 3,      # seconds to sleep between runs (so you have time to control-c out)
   7         'nummds' => 1,
   8         'numosd' => 6,
   9         'numclient' => 100,
  10
  11         'until' => 100,     # --syn until $n  ... synthetic client will stop itself after this many seconds.
  12         'kill_after' => 300, # seconds before everything commits suicide (in case something hangs)
  13
  14         # stuff i want to vary
  15         # here's a simple example:
  16
  17         # do --syn writefile command
  18         'writefile' => 1,
  19         # and very the write size
  20         'writefile_size' => [ # vary
  21 #                                                 2048*1024,
  22                                                   1024*1024,
  23                                                   512*1024,
  24                                                   256*1024,
  25                                                   128*1024,
  26                                                   64*1024,
  27                                                   48*1024,
  28                                                   32*1024,
  29                                                   28*1024,
  30                                                   24*1024,
  31                                                   16*1024,
  32                                                   12*1024,
  33                                                   8*1024,
  34                                                   4096,
  35 #                                                 256,
  36 #                                                 16,
  37 #                                                 1
  38                                                   ],
  39         'writefile_mb' => 1000,    # each client shoudl write 1GB (or more likely, keep going until time runs out)
  40
  41         'file_layout_num_rep'=> [1,2],  # also vary the replication level
  42
  43         # pass some other random things to newsyn
  44         'custom' => '--',
  45
  46         # for final summation (script/sum.pl)
  47         # specify time period to look at the results
  48         'start' => 30,    # skip first 30 seconds, so that caches are full etc.
  49         'end' => 90,      # go for 60 seconds
  50
  51         # what should i parse/plot?
  52         'comb' => {
  53                 'x' => 'writefile_size',
  54                 'vars' => [ 'osd.c_wrb', 'osd.r_wrb' ],
  55         }
  56 };