== sanity test 124b: lru resize (performance test) ================================================================================= 12:56:20 (1775840180)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1389 (time 1775840192.92 total 10.00 last 138.89)
 - open/close 2981 (time 1775840202.93 total 20.01 last 159.06)
 - open/close 4385 (time 1775840212.93 total 30.01 last 140.36)
 - open/close 5412 (time 1775840222.94 total 40.02 last 102.64)
 - open/close 6496 (time 1775840232.95 total 50.03 last 108.30)
 - open/close 7664 (time 1775840242.95 total 60.03 last 116.74)
total: 8000 open/close in 62.64 seconds: 127.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1775840413 ; total 0 ; last 0)
total: 8000 unlinks in 118 seconds: 67.796608 unlinks/second
 - open/close 732 (time 1775840546.70 total 10.01 last 73.09)
 - open/close 1555 (time 1775840556.72 total 20.03 last 82.21)
 - open/close 2442 (time 1775840566.72 total 30.03 last 88.65)
 - open/close 3261 (time 1775840576.73 total 40.04 last 81.87)
 - open/close 3786 (time 1775840586.74 total 50.05 last 52.41)
 - open/close 4000 (time 1775840596.88 total 60.19 last 21.12)
 - open/close 4541 (time 1775840606.89 total 70.20 last 54.03)
 - open/close 5250 (time 1775840616.90 total 80.21 last 70.84)
 - open/close 5748 (time 1775840626.90 total 90.21 last 49.80)
 - open/close 6320 (time 1775840636.91 total 100.22 last 57.15)
 - open/close 7077 (time 1775840646.92 total 110.23 last 75.64)
 - open/close 7782 (time 1775840656.92 total 120.23 last 70.46)
total: 8000 open/close in 123.16 seconds: 64.96 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1775840767 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second