== sanity test 124b: lru resize (performance test) ================================================================================= 19:56:03 (1781222163)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 743 (time 1781222179.23 total 10.01 last 74.19)
 - open/close 1523 (time 1781222189.24 total 20.02 last 77.94)
 - open/close 2363 (time 1781222199.24 total 30.02 last 84.00)
 - open/close 3029 (time 1781222209.24 total 40.03 last 66.55)
 - open/close 3761 (time 1781222219.25 total 50.04 last 73.14)
 - open/close 4315 (time 1781222229.26 total 60.05 last 55.36)
 - open/close 4861 (time 1781222239.27 total 70.06 last 54.55)
 - open/close 5572 (time 1781222249.28 total 80.06 last 71.03)
 - open/close 6212 (time 1781222259.28 total 90.07 last 63.98)
 - open/close 6812 (time 1781222269.28 total 100.07 last 60.00)
 - open/close 7678 (time 1781222279.29 total 110.07 last 86.55)
total: 8000 open/close in 114.50 seconds: 69.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 175 seconds
lru_size = 400
400
 - unlinked 0 (time 1781222470 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 828 (time 1781222577.42 total 10.00 last 82.77)
 - open/close 1691 (time 1781222587.43 total 20.01 last 86.22)
 - open/close 2372 (time 1781222597.44 total 30.02 last 68.04)
 - open/close 3378 (time 1781222607.44 total 40.02 last 100.59)
 - open/close 4206 (time 1781222617.45 total 50.03 last 82.73)
 - open/close 4814 (time 1781222627.46 total 60.04 last 60.76)
 - open/close 5711 (time 1781222637.48 total 70.06 last 89.48)
 - open/close 6361 (time 1781222647.48 total 80.06 last 64.99)
 - open/close 7060 (time 1781222657.49 total 90.07 last 69.87)
 - open/close 7829 (time 1781222667.49 total 100.07 last 76.87)
total: 8000 open/close in 101.95 seconds: 78.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1781222792 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second