== sanity test 124b: lru resize (performance test) ================================================================================= 07:04:42 (1787828682)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 849 (time 1787828697.59 total 10.01 last 84.85)
 - open/close 1546 (time 1787828707.60 total 20.02 last 69.58)
 - open/close 2220 (time 1787828717.61 total 30.03 last 67.36)
 - open/close 2834 (time 1787828727.62 total 40.04 last 61.32)
 - open/close 3447 (time 1787828737.63 total 50.05 last 61.24)
 - open/close 4232 (time 1787828747.64 total 60.06 last 78.45)
 - open/close 4917 (time 1787828757.64 total 70.06 last 68.47)
 - open/close 5691 (time 1787828767.65 total 80.06 last 77.39)
 - open/close 6478 (time 1787828777.65 total 90.07 last 78.65)
 - open/close 7243 (time 1787828787.68 total 100.10 last 76.29)
total: 8000 open/close in 109.89 seconds: 72.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1787828967 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 790 (time 1787829090.53 total 10.01 last 78.91)
 - open/close 1599 (time 1787829100.53 total 20.02 last 80.86)
 - open/close 2437 (time 1787829110.54 total 30.03 last 83.72)
 - open/close 3205 (time 1787829120.55 total 40.03 last 76.77)
 - open/close 4097 (time 1787829130.56 total 50.04 last 89.09)
 - open/close 4940 (time 1787829140.58 total 60.06 last 84.13)
 - open/close 5715 (time 1787829150.59 total 70.07 last 77.44)
 - open/close 6536 (time 1787829160.60 total 80.08 last 82.03)
 - open/close 7458 (time 1787829170.61 total 90.09 last 92.10)
total: 8000 open/close in 96.19 seconds: 83.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1787829294 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second