== sanity test 124b: lru resize (performance test) ================================================================================= 01:23:44 (1746077024)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1228 (time 1746077037.45 total 10.00 last 122.80)
 - open/close 2680 (time 1746077047.46 total 20.01 last 145.11)
 - open/close 4338 (time 1746077057.46 total 30.01 last 165.77)
 - open/close 5874 (time 1746077067.47 total 40.02 last 153.49)
 - open/close 7293 (time 1746077077.47 total 50.02 last 141.87)
total: 8000 open/close in 55.49 seconds: 144.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 138 seconds
lru_size = 400
 - unlinked 0 (time 1746077224 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second
 - open/close 1193 (time 1746077282.99 total 10.00 last 119.29)
 - open/close 2571 (time 1746077293.00 total 20.00 last 137.78)
 - open/close 3864 (time 1746077303.00 total 30.00 last 129.29)
 - open/close 5191 (time 1746077313.00 total 40.01 last 132.65)
 - open/close 6668 (time 1746077323.01 total 50.02 last 147.56)
 - open/close 7940 (time 1746077333.02 total 60.03 last 127.07)
total: 8000 open/close in 60.50 seconds: 132.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 35 seconds
lru_size = 8005
ls -la is 74% faster with lru resize enabled
 - unlinked 0 (time 1746077377 ; total 0 ; last 0)
total: 8000 unlinks in 30 seconds: 266.666656 unlinks/second