== sanity test 124b: lru resize (performance test) ================================================================================= 10:26:10 (1786026370)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 590 (time 1786026386.05 total 10.00 last 58.98)
 - open/close 1179 (time 1786026396.06 total 20.01 last 58.84)
 - open/close 1831 (time 1786026406.06 total 30.01 last 65.19)
 - open/close 2394 (time 1786026416.07 total 40.02 last 56.25)
 - open/close 2951 (time 1786026426.07 total 50.02 last 55.69)
 - open/close 3474 (time 1786026436.08 total 60.03 last 52.29)
 - open/close 4035 (time 1786026446.08 total 70.03 last 56.08)
 - open/close 4646 (time 1786026456.10 total 80.05 last 61.00)
 - open/close 5303 (time 1786026466.10 total 90.05 last 65.66)
 - open/close 5922 (time 1786026476.11 total 100.06 last 61.85)
 - open/close 6577 (time 1786026486.12 total 110.07 last 65.45)
 - open/close 7317 (time 1786026496.13 total 120.08 last 73.88)
 - open/close 7912 (time 1786026506.14 total 130.09 last 59.45)
total: 8000 open/close in 131.09 seconds: 61.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 195 seconds
lru_size = 400
 - unlinked 0 (time 1786026714 ; total 0 ; last 0)
total: 8000 unlinks in 132 seconds: 60.606060 unlinks/second
 - open/close 546 (time 1786026864.12 total 10.02 last 54.51)
 - open/close 1118 (time 1786026874.12 total 20.02 last 57.19)
 - open/close 1719 (time 1786026884.13 total 30.03 last 60.05)
 - open/close 2250 (time 1786026894.16 total 40.06 last 52.95)
 - open/close 2880 (time 1786026904.17 total 50.07 last 62.92)
 - open/close 3432 (time 1786026914.17 total 60.07 last 55.19)
 - open/close 3996 (time 1786026924.18 total 70.08 last 56.35)
 - open/close 4640 (time 1786026934.18 total 80.08 last 64.38)
 - open/close 5308 (time 1786026944.19 total 90.09 last 66.76)
 - open/close 5946 (time 1786026954.20 total 100.10 last 63.71)
 - open/close 6579 (time 1786026964.23 total 110.13 last 63.15)
 - open/close 7267 (time 1786026974.23 total 120.13 last 68.80)
 - open/close 7948 (time 1786026984.23 total 130.13 last 68.08)
total: 8000 open/close in 130.86 seconds: 61.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 8005
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1786027115 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second