== sanity test 124b: lru resize (performance test) ================================================================================= 21:18:48 (1746148728)
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 1715 (time 1746148740.72 total 10.00 last 171.47)
 - open/close 3267 (time 1746148750.73 total 20.00 last 155.15)
 - open/close 4882 (time 1746148760.74 total 30.01 last 161.37)
 - open/close 6474 (time 1746148770.74 total 40.02 last 159.13)
total: 8000 open/close in 49.34 seconds: 162.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 400
400
 - unlinked 0 (time 1746148862 ; total 0 ; last 0)
total: 8000 unlinks in 37 seconds: 216.216217 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1536 (time 1746148911.14 total 10.00 last 153.55)
 - open/close 3129 (time 1746148921.14 total 20.01 last 159.22)
 - open/close 4658 (time 1746148931.14 total 30.01 last 152.84)
 - open/close 6156 (time 1746148941.14 total 40.01 last 149.79)
 - open/close 7650 (time 1746148951.16 total 50.03 last 149.21)
total: 8000 open/close in 52.35 seconds: 152.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 25 seconds
lru_size = 4006
4001
ls -la is 68% faster with lru resize enabled
 - unlinked 0 (time 1746148987 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second