== sanity test 124b: lru resize (performance test) ================================================================================= 22:31:44 (1786761104)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 673 (time 1786761119.45 total 10.01 last 67.26)
 - open/close 1335 (time 1786761129.46 total 20.01 last 66.18)
 - open/close 1954 (time 1786761139.48 total 30.03 last 61.75)
 - open/close 2573 (time 1786761149.48 total 40.03 last 61.89)
 - open/close 3164 (time 1786761159.49 total 50.04 last 59.06)
 - open/close 3794 (time 1786761169.49 total 60.04 last 62.98)
 - open/close 4386 (time 1786761179.50 total 70.05 last 59.15)
 - open/close 4942 (time 1786761189.52 total 80.07 last 55.52)
 - open/close 5485 (time 1786761199.52 total 90.07 last 54.29)
 - open/close 6181 (time 1786761209.53 total 100.08 last 69.54)
 - open/close 6903 (time 1786761219.53 total 110.08 last 72.16)
 - open/close 7663 (time 1786761229.54 total 120.09 last 75.95)
total: 8000 open/close in 124.77 seconds: 64.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1786761398 ; total 1 ; last 1)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
 - open/close 727 (time 1786761535.19 total 10.01 last 72.61)
 - open/close 1446 (time 1786761545.24 total 20.06 last 71.58)
 - open/close 2206 (time 1786761555.24 total 30.06 last 75.98)
 - open/close 2939 (time 1786761565.24 total 40.06 last 73.29)
 - open/close 3594 (time 1786761575.25 total 50.07 last 65.45)
 - open/close 4332 (time 1786761585.26 total 60.08 last 73.75)
 - open/close 5055 (time 1786761595.26 total 70.08 last 72.28)
 - open/close 5809 (time 1786761605.28 total 80.10 last 75.24)
 - open/close 6526 (time 1786761615.29 total 90.11 last 71.65)
 - open/close 7238 (time 1786761625.30 total 100.12 last 71.11)
 - open/close 7976 (time 1786761635.30 total 110.13 last 73.76)
total: 8000 open/close in 110.40 seconds: 72.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786761744 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second