== sanity test 124b: lru resize (performance test) ================================================================================= 03:43:14 (1788853394)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 684 (time 1788853409.47 total 10.01 last 68.35)
 - open/close 1259 (time 1788853419.49 total 20.02 last 57.41)
 - open/close 1968 (time 1788853429.49 total 30.03 last 70.88)
 - open/close 2584 (time 1788853439.49 total 40.03 last 61.59)
 - open/close 3196 (time 1788853449.50 total 50.04 last 61.14)
 - open/close 3742 (time 1788853459.51 total 60.04 last 54.56)
 - open/close 4315 (time 1788853469.52 total 70.05 last 57.27)
 - open/close 4813 (time 1788853479.54 total 80.07 last 49.68)
 - open/close 5408 (time 1788853489.54 total 90.07 last 59.49)
 - open/close 5981 (time 1788853499.55 total 100.08 last 57.28)
 - open/close 6554 (time 1788853509.55 total 110.08 last 57.27)
 - open/close 7207 (time 1788853519.55 total 120.08 last 65.29)
 - open/close 7811 (time 1788853529.56 total 130.09 last 60.34)
total: 8000 open/close in 133.25 seconds: 60.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 198 seconds
lru_size = 400
 - unlinked 0 (time 1788853742 ; total 0 ; last 0)
total: 8000 unlinks in 141 seconds: 56.737587 unlinks/second
 - open/close 652 (time 1788853898.52 total 10.01 last 65.13)
 - open/close 1323 (time 1788853908.53 total 20.02 last 67.04)
 - open/close 1951 (time 1788853918.54 total 30.03 last 62.74)
 - open/close 2617 (time 1788853928.54 total 40.03 last 66.60)
 - open/close 3288 (time 1788853938.56 total 50.05 last 66.95)
 - open/close 3934 (time 1788853948.56 total 60.06 last 64.58)
 - open/close 4638 (time 1788853958.58 total 70.07 last 70.30)
 - open/close 5302 (time 1788853968.59 total 80.08 last 66.35)
 - open/close 5838 (time 1788853978.59 total 90.08 last 53.56)
 - open/close 6336 (time 1788853988.62 total 100.11 last 49.68)
 - open/close 6947 (time 1788853998.62 total 110.11 last 61.10)
 - open/close 7545 (time 1788854008.62 total 120.11 last 59.77)
total: 8000 open/close in 128.92 seconds: 62.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 121 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1788854173 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second