== sanity test 124b: lru resize (performance test) ================================================================================= 10:37:41 (1789137461)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 736 (time 1789137476.02 total 10.00 last 73.59)
 - open/close 1627 (time 1789137486.03 total 20.00 last 89.08)
 - open/close 2422 (time 1789137496.04 total 30.02 last 79.38)
 - open/close 3193 (time 1789137506.05 total 40.03 last 77.02)
 - open/close 4018 (time 1789137516.07 total 50.05 last 82.34)
 - open/close 4845 (time 1789137526.08 total 60.05 last 82.66)
 - open/close 5590 (time 1789137536.08 total 70.06 last 74.47)
 - open/close 6370 (time 1789137546.08 total 80.06 last 77.98)
 - open/close 7104 (time 1789137556.09 total 90.07 last 73.34)
 - open/close 7909 (time 1789137566.09 total 100.07 last 80.50)
total: 8000 open/close in 101.16 seconds: 79.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 149 seconds
lru_size = 400
 - unlinked 0 (time 1789137725 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 709 (time 1789137841.79 total 10.00 last 70.88)
 - open/close 1349 (time 1789137851.80 total 20.01 last 63.95)
 - open/close 2133 (time 1789137861.80 total 30.01 last 78.38)
 - open/close 2993 (time 1789137871.80 total 40.02 last 85.98)
 - open/close 3839 (time 1789137881.81 total 50.02 last 84.54)
 - open/close 4656 (time 1789137891.82 total 60.03 last 81.63)
 - open/close 5326 (time 1789137901.84 total 70.06 last 66.82)
 - open/close 5870 (time 1789137911.85 total 80.07 last 54.36)
 - open/close 6517 (time 1789137921.85 total 90.07 last 64.70)
 - open/close 7276 (time 1789137931.86 total 100.07 last 75.85)
total: 8000 open/close in 108.62 seconds: 73.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1789138022 ; total 0 ; last 0)
total: 8000 unlinks in 58 seconds: 137.931030 unlinks/second