== sanity test 124b: lru resize (performance test) ================================================================================= 04:47:44 (1782636464)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 672 (time 1782636481.88 total 10.00 last 67.20)
 - open/close 1110 (time 1782636491.90 total 20.02 last 43.70)
 - open/close 1645 (time 1782636501.91 total 30.03 last 53.46)
 - open/close 2160 (time 1782636511.95 total 40.08 last 51.27)
 - open/close 2643 (time 1782636521.96 total 50.09 last 48.25)
 - open/close 3142 (time 1782636531.97 total 60.09 last 49.86)
 - open/close 3690 (time 1782636541.98 total 70.10 last 54.75)
 - open/close 4461 (time 1782636551.99 total 80.11 last 77.05)
 - open/close 5142 (time 1782636561.99 total 90.12 last 68.07)
 - open/close 5577 (time 1782636572.03 total 100.16 last 43.33)
 - open/close 5785 (time 1782636582.05 total 110.17 last 20.77)
 - open/close 5984 (time 1782636592.08 total 120.21 last 19.83)
 - open/close 6559 (time 1782636602.09 total 130.22 last 57.43)
 - open/close 7258 (time 1782636612.10 total 140.22 last 69.89)
 - open/close 7900 (time 1782636622.10 total 150.22 last 64.18)
total: 8000 open/close in 151.57 seconds: 52.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1782636801 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 707 (time 1782636929.64 total 10.00 last 70.69)
 - open/close 1452 (time 1782636939.64 total 20.01 last 74.45)
 - open/close 2241 (time 1782636949.65 total 30.01 last 78.87)
 - open/close 2952 (time 1782636959.66 total 40.03 last 71.01)
 - open/close 3697 (time 1782636969.66 total 50.03 last 74.48)
 - open/close 4468 (time 1782636979.67 total 60.04 last 77.04)
 - open/close 5125 (time 1782636989.68 total 70.04 last 65.64)
 - open/close 5731 (time 1782636999.70 total 80.07 last 60.45)
 - open/close 6477 (time 1782637009.71 total 90.07 last 74.57)
 - open/close 7276 (time 1782637019.71 total 100.08 last 79.88)
total: 8000 open/close in 109.68 seconds: 72.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1782637137 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second