== sanity test 124b: lru resize (performance test) ================================================================================= 14:46:08 (1788201968)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 755 (time 1788201983.80 total 10.00 last 75.46)
 - open/close 1379 (time 1788201993.82 total 20.03 last 62.27)
 - open/close 2151 (time 1788202003.82 total 30.03 last 77.18)
 - open/close 2886 (time 1788202013.83 total 40.03 last 73.45)
 - open/close 3747 (time 1788202023.86 total 50.07 last 85.80)
 - open/close 4464 (time 1788202033.86 total 60.07 last 71.68)
 - open/close 5232 (time 1788202043.86 total 70.07 last 76.79)
 - open/close 5941 (time 1788202053.87 total 80.08 last 70.86)
 - open/close 6343 (time 1788202063.88 total 90.08 last 40.18)
 - open/close 6724 (time 1788202073.88 total 100.09 last 38.08)
 - open/close 7328 (time 1788202083.90 total 110.11 last 60.30)
 - open/close 7854 (time 1788202093.91 total 120.11 last 52.56)
total: 8000 open/close in 122.28 seconds: 65.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 178 seconds
lru_size = 400
 - unlinked 0 (time 1788202284 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
 - open/close 643 (time 1788202432.68 total 10.01 last 64.27)
 - open/close 1257 (time 1788202442.68 total 20.01 last 61.40)
 - open/close 1913 (time 1788202452.69 total 30.01 last 65.57)
 - open/close 2533 (time 1788202462.69 total 40.02 last 61.96)
 - open/close 3105 (time 1788202472.70 total 50.03 last 57.15)
 - open/close 3735 (time 1788202482.71 total 60.03 last 62.95)
 - open/close 4374 (time 1788202492.73 total 70.05 last 63.80)
 - open/close 4991 (time 1788202502.74 total 80.06 last 61.62)
 - open/close 5589 (time 1788202512.77 total 90.10 last 59.60)
 - open/close 6101 (time 1788202522.77 total 100.10 last 51.20)
 - open/close 6686 (time 1788202532.78 total 110.10 last 58.49)
 - open/close 7358 (time 1788202542.79 total 120.11 last 67.12)
total: 8000 open/close in 129.83 seconds: 61.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788202675 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second