== sanity test 124b: lru resize (performance test) ================================================================================= 17:20:02 (1746134402)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 811 (time 1746134415.02 total 10.00 last 81.07)
 - open/close 1596 (time 1746134425.03 total 20.01 last 78.47)
 - open/close 2343 (time 1746134435.03 total 30.01 last 74.70)
 - open/close 3217 (time 1746134445.03 total 40.01 last 87.36)
 - open/close 4054 (time 1746134455.04 total 50.02 last 83.64)
 - open/close 4843 (time 1746134465.05 total 60.03 last 78.83)
 - open/close 5801 (time 1746134475.05 total 70.03 last 95.77)
 - open/close 6690 (time 1746134485.05 total 80.03 last 88.90)
 - open/close 7559 (time 1746134495.06 total 90.04 last 86.82)
total: 8000 open/close in 95.30 seconds: 83.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 127 seconds
lru_size = 400
 - unlinked 0 (time 1746134633 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second
 - open/close 917 (time 1746134724.78 total 10.00 last 91.69)
 - open/close 1855 (time 1746134734.79 total 20.01 last 93.72)
 - open/close 2746 (time 1746134744.80 total 30.02 last 89.01)
 - open/close 3698 (time 1746134754.80 total 40.03 last 95.13)
 - open/close 4691 (time 1746134764.81 total 50.03 last 99.27)
 - open/close 5825 (time 1746134774.82 total 60.04 last 113.30)
 - open/close 6723 (time 1746134784.82 total 70.05 last 89.74)
 - open/close 7709 (time 1746134794.83 total 80.05 last 98.55)
total: 8000 open/close in 83.20 seconds: 96.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 61 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1746134873 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second