== sanity test 124b: lru resize (performance test) ================================================================================= 11:04:55 (1761318295)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9e47c5e6b800.lru_size=400
 - open/close 819 (time 1761318308.67 total 10.01 last 81.84)
 - open/close 1707 (time 1761318318.68 total 20.01 last 88.74)
 - open/close 2716 (time 1761318328.68 total 30.02 last 100.83)
 - open/close 3695 (time 1761318338.69 total 40.03 last 97.83)
 - open/close 4649 (time 1761318348.71 total 50.05 last 95.24)
 - open/close 5518 (time 1761318358.71 total 60.05 last 86.85)
 - open/close 6513 (time 1761318368.73 total 70.07 last 99.34)
 - open/close 7300 (time 1761318378.73 total 80.07 last 78.68)
total: 8000 open/close in 88.66 seconds: 90.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 400
 - unlinked 0 (time 1761318458 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9e47c5e6b800.lru_size=0
 - open/close 820 (time 1761318557.65 total 10.00 last 81.97)
 - open/close 1614 (time 1761318567.65 total 20.00 last 79.39)
 - open/close 2441 (time 1761318577.66 total 30.01 last 82.67)
 - open/close 3439 (time 1761318587.67 total 40.02 last 99.73)
 - open/close 4368 (time 1761318597.67 total 50.02 last 92.82)
 - open/close 5186 (time 1761318607.68 total 60.03 last 81.78)
 - open/close 6117 (time 1761318617.68 total 70.03 last 93.07)
 - open/close 7141 (time 1761318627.70 total 80.05 last 102.23)
 - open/close 7918 (time 1761318637.71 total 90.06 last 77.59)
total: 8000 open/close in 91.07 seconds: 87.85 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 27 seconds
lru_size = 8005
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1761318674 ; total 0 ; last 0)
total: 8000 unlinks in 45 seconds: 177.777771 unlinks/second