== sanity test 124b: lru resize (performance test) ================================================================================= 14:52:19 (1786819939)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 710 (time 1786819954.17 total 10.00 last 70.99)
 - open/close 1432 (time 1786819964.17 total 20.01 last 72.14)
 - open/close 2133 (time 1786819974.18 total 30.02 last 70.05)
 - open/close 2880 (time 1786819984.18 total 40.02 last 74.69)
 - open/close 3805 (time 1786819994.19 total 50.02 last 92.47)
 - open/close 4625 (time 1786820004.19 total 60.02 last 81.96)
 - open/close 5484 (time 1786820014.19 total 70.03 last 85.86)
 - open/close 6397 (time 1786820024.20 total 80.03 last 91.30)
 - open/close 7154 (time 1786820034.20 total 90.03 last 75.69)
total: 8000 open/close in 99.39 seconds: 80.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1786820226 ; total 0 ; last 0)
total: 8000 unlinks in 97 seconds: 82.474228 unlinks/second
 - open/close 828 (time 1786820338.34 total 10.00 last 82.78)
 - open/close 1654 (time 1786820348.35 total 20.01 last 82.55)
 - open/close 2493 (time 1786820358.35 total 30.01 last 83.88)
 - open/close 3314 (time 1786820368.36 total 40.02 last 82.04)
 - open/close 4096 (time 1786820378.36 total 50.02 last 78.16)
 - open/close 4954 (time 1786820388.36 total 60.03 last 85.78)
 - open/close 5751 (time 1786820398.37 total 70.04 last 79.62)
 - open/close 6548 (time 1786820408.38 total 80.04 last 79.64)
 - open/close 7365 (time 1786820418.39 total 90.05 last 81.66)
total: 8000 open/close in 98.58 seconds: 81.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1786820535 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second