== sanity test 124b: lru resize (performance test) ================================================================================= 11:49:05 (1761234545)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8fddd8262000.lru_size=400
 - open/close 814 (time 1761234557.99 total 10.00 last 81.36)
 - open/close 1595 (time 1761234568.00 total 20.01 last 78.04)
 - open/close 2379 (time 1761234578.00 total 30.02 last 78.36)
 - open/close 3154 (time 1761234588.01 total 40.02 last 77.47)
 - open/close 3993 (time 1761234598.01 total 50.02 last 83.90)
 - open/close 4868 (time 1761234608.01 total 60.02 last 87.50)
 - open/close 5677 (time 1761234618.02 total 70.03 last 80.81)
 - open/close 6415 (time 1761234628.02 total 80.03 last 73.79)
 - open/close 7179 (time 1761234638.02 total 90.04 last 76.37)
 - open/close 7981 (time 1761234648.04 total 100.05 last 80.08)
total: 8000 open/close in 100.31 seconds: 79.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
 - unlinked 0 (time 1761234728 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8fddd8262000.lru_size=0
 - open/close 760 (time 1761234849.10 total 10.00 last 75.98)
 - open/close 1482 (time 1761234859.10 total 20.00 last 72.19)
 - open/close 2261 (time 1761234869.11 total 30.01 last 77.84)
 - open/close 3031 (time 1761234879.11 total 40.01 last 77.00)
 - open/close 3840 (time 1761234889.12 total 50.02 last 80.87)
 - open/close 4611 (time 1761234899.12 total 60.02 last 77.09)
 - open/close 5436 (time 1761234909.12 total 70.02 last 82.47)
 - open/close 6231 (time 1761234919.13 total 80.03 last 79.43)
 - open/close 7016 (time 1761234929.13 total 90.03 last 78.48)
 - open/close 7785 (time 1761234939.14 total 100.04 last 76.84)
total: 8000 open/close in 102.69 seconds: 77.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 34 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1761234986 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second