== sanity test 124b: lru resize (performance test) ================================================================================= 21:38:14 (1787708294)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 574 (time 1787708310.62 total 10.01 last 57.33)
 - open/close 1290 (time 1787708320.64 total 20.03 last 71.47)
 - open/close 1986 (time 1787708330.70 total 30.09 last 69.22)
 - open/close 2694 (time 1787708340.70 total 40.09 last 70.78)
 - open/close 3389 (time 1787708350.70 total 50.09 last 69.49)
 - open/close 4103 (time 1787708360.71 total 60.10 last 71.33)
 - open/close 4703 (time 1787708370.71 total 70.10 last 59.98)
 - open/close 5307 (time 1787708380.72 total 80.11 last 60.35)
 - open/close 5977 (time 1787708390.72 total 90.11 last 67.00)
 - open/close 6537 (time 1787708400.73 total 100.11 last 55.99)
 - open/close 7210 (time 1787708410.73 total 110.12 last 67.29)
 - open/close 7919 (time 1787708420.74 total 120.13 last 70.82)
total: 8000 open/close in 121.39 seconds: 65.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1787708608 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 515 (time 1787708736.41 total 10.01 last 51.46)
 - open/close 1266 (time 1787708746.41 total 20.02 last 75.03)
 - open/close 1950 (time 1787708756.42 total 30.02 last 68.38)
 - open/close 2703 (time 1787708766.43 total 40.03 last 75.23)
 - open/close 3415 (time 1787708776.44 total 50.05 last 71.09)
 - open/close 4123 (time 1787708786.45 total 60.05 last 70.75)
 - open/close 4777 (time 1787708796.46 total 70.06 last 65.36)
 - open/close 5498 (time 1787708806.47 total 80.07 last 72.03)
 - open/close 6069 (time 1787708816.47 total 90.08 last 57.06)
 - open/close 6709 (time 1787708826.48 total 100.08 last 63.98)
 - open/close 7400 (time 1787708836.49 total 110.09 last 69.03)
total: 8000 open/close in 118.76 seconds: 67.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1787708960 ; total 0 ; last 0)
total: 8000 unlinks in 94 seconds: 85.106384 unlinks/second