== sanity test 124b: lru resize (performance test) ================================================================================= 15:01:48 (1787857308)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 773 (time 1787857322.40 total 10.01 last 77.21)
 - open/close 1518 (time 1787857332.41 total 20.02 last 74.44)
 - open/close 2252 (time 1787857342.41 total 30.02 last 73.40)
 - open/close 2965 (time 1787857352.43 total 40.04 last 71.19)
 - open/close 3728 (time 1787857362.43 total 50.04 last 76.24)
 - open/close 4497 (time 1787857372.44 total 60.05 last 76.87)
 - open/close 5211 (time 1787857382.44 total 70.05 last 71.36)
 - open/close 5921 (time 1787857392.44 total 80.05 last 70.99)
 - open/close 6661 (time 1787857402.45 total 90.06 last 73.98)
 - open/close 7482 (time 1787857412.45 total 100.07 last 82.04)
total: 8000 open/close in 107.55 seconds: 74.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1787857576 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 768 (time 1787857704.87 total 10.01 last 76.74)
 - open/close 1507 (time 1787857714.88 total 20.02 last 73.81)
 - open/close 2245 (time 1787857724.89 total 30.02 last 73.79)
 - open/close 3039 (time 1787857734.89 total 40.03 last 79.34)
 - open/close 3797 (time 1787857744.90 total 50.03 last 75.77)
 - open/close 4540 (time 1787857754.90 total 60.03 last 74.28)
 - open/close 5191 (time 1787857764.96 total 70.09 last 64.71)
 - open/close 5902 (time 1787857774.96 total 80.10 last 71.08)
 - open/close 6678 (time 1787857784.97 total 90.10 last 77.56)
 - open/close 7393 (time 1787857794.99 total 100.12 last 71.36)
total: 8000 open/close in 108.40 seconds: 73.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 80 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787857903 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second