== sanity test 124b: lru resize (performance test) ================================================================================= 09:44:58 (1789134298)
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 685 (time 1789134315.02 total 10.01 last 68.46)
 - open/close 1491 (time 1789134325.02 total 20.01 last 80.56)
 - open/close 2138 (time 1789134335.03 total 30.02 last 64.65)
 - open/close 2858 (time 1789134345.04 total 40.03 last 71.94)
 - open/close 3508 (time 1789134355.04 total 50.03 last 64.97)
 - open/close 4204 (time 1789134365.05 total 60.04 last 69.57)
 - open/close 4973 (time 1789134375.05 total 70.04 last 76.88)
 - open/close 5889 (time 1789134385.05 total 80.04 last 91.57)
 - open/close 6734 (time 1789134395.06 total 90.05 last 84.42)
 - open/close 7605 (time 1789134405.06 total 100.05 last 87.10)
total: 8000 open/close in 104.62 seconds: 76.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 178 seconds
lru_size = 400
400
 - unlinked 0 (time 1789134600 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 746 (time 1789134718.95 total 10.00 last 74.58)
 - open/close 1669 (time 1789134728.95 total 20.01 last 92.28)
 - open/close 2478 (time 1789134738.98 total 30.03 last 80.66)
 - open/close 3146 (time 1789134748.99 total 40.04 last 66.75)
 - open/close 3982 (time 1789134758.99 total 50.04 last 83.59)
 - open/close 4827 (time 1789134769.00 total 60.05 last 84.40)
 - open/close 5470 (time 1789134779.02 total 70.08 last 64.16)
 - open/close 5980 (time 1789134789.03 total 80.08 last 50.96)
 - open/close 6580 (time 1789134799.04 total 90.09 last 59.96)
 - open/close 7170 (time 1789134809.04 total 100.09 last 58.98)
 - open/close 7868 (time 1789134819.06 total 110.11 last 69.70)
total: 8000 open/close in 111.53 seconds: 71.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 4052
3955
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1789134932 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second