== sanity test 124b: lru resize (performance test) ================================================================================= 00:26:24 (1780460784)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 655 (time 1780460799.54 total 10.00 last 65.49)
 - open/close 1249 (time 1780460809.55 total 20.01 last 59.36)
 - open/close 1753 (time 1780460819.56 total 30.02 last 50.36)
 - open/close 2288 (time 1780460829.58 total 40.04 last 53.36)
 - open/close 2954 (time 1780460839.60 total 50.06 last 66.49)
 - open/close 3696 (time 1780460849.61 total 60.07 last 74.12)
 - open/close 4371 (time 1780460859.62 total 70.08 last 67.44)
 - open/close 5027 (time 1780460869.62 total 80.08 last 65.60)
 - open/close 5677 (time 1780460879.62 total 90.08 last 64.99)
 - open/close 6332 (time 1780460889.62 total 100.08 last 65.48)
 - open/close 7046 (time 1780460899.63 total 110.09 last 71.36)
 - open/close 7741 (time 1780460909.64 total 120.10 last 69.45)
total: 8000 open/close in 123.96 seconds: 64.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
400
 - unlinked 0 (time 1780461097 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 758 (time 1780461226.13 total 10.00 last 75.79)
 - open/close 1417 (time 1780461236.14 total 20.00 last 65.90)
 - open/close 2040 (time 1780461246.14 total 30.00 last 62.30)
 - open/close 2678 (time 1780461256.14 total 40.01 last 63.78)
 - open/close 3330 (time 1780461266.14 total 50.01 last 65.17)
 - open/close 3985 (time 1780461276.15 total 60.01 last 65.47)
 - open/close 4660 (time 1780461286.15 total 70.02 last 67.47)
 - open/close 5391 (time 1780461296.18 total 80.04 last 72.92)
 - open/close 6066 (time 1780461306.19 total 90.06 last 67.39)
 - open/close 6761 (time 1780461316.20 total 100.06 last 69.47)
 - open/close 7459 (time 1780461326.20 total 110.07 last 69.78)
total: 8000 open/close in 117.40 seconds: 68.14 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 4052
3955
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1780461451 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second