== sanity test 124b: lru resize (performance test) ================================================================================= 04:44:34 (1761295474)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 731 (time 1761295488.58 total 10.01 last 73.04)
 - open/close 1444 (time 1761295498.58 total 20.01 last 71.28)
 - open/close 2233 (time 1761295508.58 total 30.01 last 78.88)
 - open/close 3043 (time 1761295518.58 total 40.01 last 80.98)
 - open/close 3758 (time 1761295528.60 total 50.03 last 71.42)
 - open/close 4539 (time 1761295538.60 total 60.03 last 78.04)
 - open/close 5328 (time 1761295548.61 total 70.04 last 78.83)
 - open/close 6076 (time 1761295558.62 total 80.05 last 74.74)
 - open/close 6868 (time 1761295568.63 total 90.06 last 79.17)
 - open/close 7640 (time 1761295578.63 total 100.06 last 77.19)
total: 8000 open/close in 104.89 seconds: 76.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 400
400
 - unlinked 0 (time 1761295725 ; total 0 ; last 0)
total: 8000 unlinks in 93 seconds: 86.021507 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 825 (time 1761295832.84 total 10.01 last 82.46)
 - open/close 1611 (time 1761295842.85 total 20.02 last 78.51)
 - open/close 2451 (time 1761295852.86 total 30.03 last 83.91)
 - open/close 3271 (time 1761295862.86 total 40.03 last 81.97)
 - open/close 4118 (time 1761295872.87 total 50.04 last 84.63)
 - open/close 4909 (time 1761295882.88 total 60.05 last 79.05)
 - open/close 5715 (time 1761295892.88 total 70.05 last 80.60)
 - open/close 6506 (time 1761295902.88 total 80.05 last 79.06)
 - open/close 7308 (time 1761295912.89 total 90.05 last 80.18)
total: 8000 open/close in 98.90 seconds: 80.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 4006
4001
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1761296010 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second