== sanity test 124b: lru resize (performance test) ================================================================================= 13:13:30 (1788282810)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 555 (time 1788282826.55 total 10.01 last 55.46)
 - open/close 1149 (time 1788282836.55 total 20.01 last 59.39)
 - open/close 1679 (time 1788282846.58 total 30.03 last 52.86)
 - open/close 2108 (time 1788282856.58 total 40.04 last 42.87)
 - open/close 2750 (time 1788282866.60 total 50.06 last 64.11)
 - open/close 3367 (time 1788282876.61 total 60.07 last 61.63)
 - open/close 3903 (time 1788282886.63 total 70.09 last 53.50)
 - open/close 4522 (time 1788282896.63 total 80.09 last 61.88)
 - open/close 5018 (time 1788282906.64 total 90.10 last 49.58)
 - open/close 5641 (time 1788282916.64 total 100.10 last 62.28)
 - open/close 6176 (time 1788282926.65 total 110.11 last 53.45)
 - open/close 6733 (time 1788282936.68 total 120.13 last 55.56)
 - open/close 7291 (time 1788282946.68 total 130.14 last 55.80)
 - open/close 7831 (time 1788282956.68 total 140.14 last 53.98)
total: 8000 open/close in 143.08 seconds: 55.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 190 seconds
lru_size = 400
 - unlinked 0 (time 1788283163 ; total 0 ; last 0)
total: 8000 unlinks in 136 seconds: 58.823528 unlinks/second
 - open/close 580 (time 1788283315.80 total 10.00 last 57.98)
 - open/close 1287 (time 1788283325.80 total 20.01 last 70.68)
 - open/close 1961 (time 1788283335.81 total 30.02 last 67.32)
 - open/close 2474 (time 1788283345.82 total 40.02 last 51.28)
 - open/close 2894 (time 1788283355.83 total 50.03 last 41.94)
 - open/close 3267 (time 1788283365.85 total 60.05 last 37.24)
 - open/close 3730 (time 1788283375.86 total 70.06 last 46.24)
 - open/close 4333 (time 1788283385.87 total 80.08 last 60.22)
 - open/close 4886 (time 1788283395.88 total 90.09 last 55.23)
 - open/close 5398 (time 1788283405.89 total 100.10 last 51.15)
 - open/close 6006 (time 1788283415.91 total 110.11 last 60.70)
 - open/close 6711 (time 1788283425.92 total 120.12 last 70.43)
 - open/close 7353 (time 1788283435.93 total 130.13 last 64.13)
total: 8000 open/close in 140.06 seconds: 57.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 117 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1788283590 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second