== sanity test 124b: lru resize (performance test) ================================================================================= 11:17:21 (1785770241)
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 494 (time 1785770258.18 total 10.00 last 49.38)
 - open/close 1012 (time 1785770268.20 total 20.02 last 51.71)
 - open/close 1406 (time 1785770278.20 total 30.02 last 39.39)
 - open/close 2162 (time 1785770288.21 total 40.03 last 75.55)
 - open/close 2579 (time 1785770298.21 total 50.03 last 41.69)
 - open/close 3277 (time 1785770308.22 total 60.04 last 69.76)
 - open/close 4206 (time 1785770318.22 total 70.04 last 92.89)
 - open/close 4796 (time 1785770328.22 total 80.04 last 58.96)
 - open/close 5520 (time 1785770338.25 total 90.07 last 72.24)
 - open/close 6017 (time 1785770348.26 total 100.08 last 49.65)
 - open/close 6595 (time 1785770358.29 total 110.11 last 57.63)
 - open/close 7209 (time 1785770368.31 total 120.13 last 61.26)
 - open/close 7870 (time 1785770378.31 total 130.13 last 66.06)
total: 8000 open/close in 132.32 seconds: 60.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 150 seconds
lru_size = 400
400
 - unlinked 0 (time 1785770542 ; total 0 ; last 0)
total: 8000 unlinks in 142 seconds: 56.338028 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 633 (time 1785770700.85 total 10.00 last 63.28)
 - open/close 1172 (time 1785770710.85 total 20.01 last 53.89)
 - open/close 1957 (time 1785770720.85 total 30.01 last 78.50)
 - open/close 2839 (time 1785770730.88 total 40.03 last 87.98)
 - open/close 3415 (time 1785770740.89 total 50.05 last 57.51)
 - open/close 3963 (time 1785770750.90 total 60.05 last 54.78)
 - open/close 4501 (time 1785770760.90 total 70.06 last 53.76)
 - open/close 5078 (time 1785770770.93 total 80.08 last 57.57)
 - open/close 5641 (time 1785770780.93 total 90.08 last 56.30)
 - open/close 6283 (time 1785770790.95 total 100.10 last 64.08)
 - open/close 6840 (time 1785770800.95 total 110.10 last 55.69)
 - open/close 7360 (time 1785770810.96 total 120.11 last 51.95)
 - open/close 7956 (time 1785770820.97 total 130.12 last 59.51)
total: 8000 open/close in 131.02 seconds: 61.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 125 seconds
lru_size = 4052
3955
ls -la is 16% faster with lru resize enabled
 - unlinked 0 (time 1785770974 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second