== sanity test 124b: lru resize (performance test) ================================================================================= 22:52:54 (1785466374)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 580 (time 1785466389.53 total 10.01 last 57.95)
 - open/close 1064 (time 1785466399.54 total 20.02 last 48.36)
 - open/close 1538 (time 1785466409.56 total 30.04 last 47.30)
 - open/close 1971 (time 1785466419.58 total 40.06 last 43.22)
 - open/close 2526 (time 1785466429.58 total 50.06 last 55.49)
 - open/close 3193 (time 1785466439.60 total 60.07 last 66.60)
 - open/close 3722 (time 1785466449.61 total 70.08 last 52.86)
 - open/close 4279 (time 1785466459.62 total 80.09 last 55.63)
 - open/close 4782 (time 1785466469.64 total 90.11 last 50.21)
 - open/close 5373 (time 1785466479.64 total 100.12 last 59.07)
 - open/close 5866 (time 1785466489.65 total 110.13 last 49.26)
 - open/close 6367 (time 1785466499.67 total 120.14 last 50.00)
 - open/close 6817 (time 1785466509.68 total 130.15 last 44.97)
 - open/close 7353 (time 1785466519.68 total 140.16 last 53.57)
 - open/close 7784 (time 1785466529.69 total 150.16 last 43.07)
total: 8000 open/close in 154.45 seconds: 51.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 200 seconds
lru_size = 400
 - unlinked 0 (time 1785466747 ; total 0 ; last 0)
total: 8000 unlinks in 147 seconds: 54.421768 unlinks/second
 - open/close 587 (time 1785466911.96 total 10.00 last 58.68)
 - open/close 1261 (time 1785466921.96 total 20.01 last 67.39)
 - open/close 1762 (time 1785466931.98 total 30.02 last 50.01)
 - open/close 2435 (time 1785466942.00 total 40.04 last 67.17)
 - open/close 3069 (time 1785466952.01 total 50.05 last 63.35)
 - open/close 3617 (time 1785466962.01 total 60.05 last 54.80)
 - open/close 4099 (time 1785466972.03 total 70.07 last 48.11)
 - open/close 4613 (time 1785466982.05 total 80.09 last 51.30)
 - open/close 5178 (time 1785466992.05 total 90.10 last 56.46)
 - open/close 5703 (time 1785467002.08 total 100.13 last 52.35)
 - open/close 6270 (time 1785467012.09 total 110.13 last 56.66)
 - open/close 6729 (time 1785467022.10 total 120.15 last 45.83)
 - open/close 7188 (time 1785467032.11 total 130.16 last 45.87)
 - open/close 7728 (time 1785467042.11 total 140.16 last 53.99)
total: 8000 open/close in 145.03 seconds: 55.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 124 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1785467204 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second