ceph/src/jobs/osd/striping

   1 #!/usr/bin/perl
   2 # hi there
   3 {
   4         # startup
   5         #'n' => 28,          # mpi nodes
   6
   7         'sleep' => 3,      # seconds between runs
   8         'nummds' => 1,
   9
  10         'numosd' => [2,3,4,5,6,7,8,10,12], #[6, 8, 10, 12, 16],
  11         'numosd' => [14],
  12         #'cper' => [4, 5, 6, 7, 8, 9, 10, 11, 12], #[1, 4, 6, 8, 16, 32, 64],
  13         #'cper' => [4, 6, 8, 10, 12, 16, 24, 32 ], #[1, 4, 6, 8, 16, 32, 64],
  14         'cper' => [30],
  15
  16         '_dep' => [ 'cnode' => '$numosd',
  17                                 'numclient' => '$cnode * $cper',
  18                                 'n' => 38],#'$nummds + $numosd + $cnode'],
  19         #'numclient' => [5, 10, 20, 50, 75, 100, 150 ],
  20
  21         'start' => 30,
  22         'end' => 90,
  23         'until' => 100,     # --syn until $n    ... when to stop clients
  24         'kill_after' => 260,
  25
  26         # parameters
  27         'fs' => 'ebofs',
  28         'writefile' => 1,
  29
  30         'writefile_size' => [# 4096,
  31                                                  # 16*1024,
  32                                                  # 64*1024,
  33                                                  # 256*1024,
  34                                                   1024*1024 ],
  35 #       'writefile_size' => [
  36 #                                                2048*1024,
  37 #               1048576,
  38 #                                                512*1024,
  39 #                                                262144,
  40 #                                                65536,
  41 #                                                16384
  42 #                                                ],
  43         'writefile_mb' => 1000,
  44
  45         'file_layout_num_rep'=> [1,2,3],
  46
  47         'osd_pg_bits' => 12,#[6, 8, 10, 12, 14],
  48
  49         'osd_object_layout' => [ 'hashino' ],#'hash', 'hashino', 'linear' ],
  50         'osd_pg_layout' => [ 'crush', 'linear' ],#, 'linear'],#, 'hash' ],#, 'linear' ],#, 'hash' ],
  51
  52         #'custom' => '--tcp_skip_rank0', # --osd_maxthreads 0',
  53         #'custom' => '--debug_after 110 --debug_osd 15 --debug_filer 15 --debug 5',
  54
  55         # for final summation (script/sum.pl)
  56
  57         'comb' => {
  58                 'x' => 'numosd',#'writefile_size',
  59                 'vars' => [ 'osd.c_wrb', 'cl.wrlat' ],
  60 #                       'maptitle' => { 'osd_object_layout=' => '',
  61 #                                                       ',osd_pg_layout=' => ' + '}
  62         }
  63 };
  64
  65
  66 =item some googoo notes
  67
  68 for 1mb 1x writes,
  69
  70  with numosd=6, min cper=6 to saturate (cper_saturate)
  71  googoo saturates at numosd=8.  (osd_saturate)
  72
  73     -> so, numosd=6 or 7 is a safe size!
  74
  75
  76
  77
  78 =cut