== sanity test 124b: lru resize (performance test) ================================================================================= 13:34:00 (1789061640)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 423 (time 1789061658.55 total 10.01 last 42.27)
 - open/close 885 (time 1789061668.56 total 20.02 last 46.15)
 - open/close 1365 (time 1789061678.58 total 30.04 last 47.90)
 - open/close 1876 (time 1789061688.59 total 40.05 last 51.05)
 - open/close 2374 (time 1789061698.59 total 50.05 last 49.78)
 - open/close 2961 (time 1789061708.62 total 60.07 last 58.57)
 - open/close 3606 (time 1789061718.62 total 70.08 last 64.48)
 - open/close 4259 (time 1789061728.64 total 80.09 last 65.20)
 - open/close 4875 (time 1789061738.64 total 90.10 last 61.59)
 - open/close 5524 (time 1789061748.65 total 100.11 last 64.83)
 - open/close 6120 (time 1789061758.65 total 110.11 last 59.59)
 - open/close 6767 (time 1789061768.65 total 120.11 last 64.68)
 - open/close 7369 (time 1789061778.66 total 130.11 last 60.17)
total: 8000 open/close in 139.89 seconds: 57.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1789061982 ; total 0 ; last 0)
total: 8000 unlinks in 135 seconds: 59.259258 unlinks/second
 - open/close 727 (time 1789062133.15 total 10.01 last 72.61)
 - open/close 1419 (time 1789062143.15 total 20.02 last 69.15)
 - open/close 2071 (time 1789062153.15 total 30.02 last 65.19)
 - open/close 2669 (time 1789062163.16 total 40.03 last 59.74)
 - open/close 3295 (time 1789062173.17 total 50.03 last 62.59)
 - open/close 4057 (time 1789062183.17 total 60.04 last 76.18)
 - open/close 4780 (time 1789062193.18 total 70.04 last 72.26)
 - open/close 5508 (time 1789062203.19 total 80.05 last 72.72)
 - open/close 6208 (time 1789062213.20 total 90.07 last 69.89)
 - open/close 6907 (time 1789062223.21 total 100.08 last 69.83)
 - open/close 7596 (time 1789062233.22 total 110.08 last 68.88)
total: 8000 open/close in 115.52 seconds: 69.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 107 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1789062372 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second