== sanity test 124b: lru resize (performance test) ================================================================================= 10:54:36 (1789138476)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 525 (time 1789138493.52 total 10.00 last 52.50)
 - open/close 1054 (time 1789138503.53 total 20.01 last 52.84)
 - open/close 1793 (time 1789138513.54 total 30.02 last 73.81)
 - open/close 2485 (time 1789138523.54 total 40.03 last 69.17)
 - open/close 3177 (time 1789138533.55 total 50.03 last 69.17)
 - open/close 3827 (time 1789138543.55 total 60.04 last 64.95)
 - open/close 4543 (time 1789138553.56 total 70.04 last 71.57)
 - open/close 5225 (time 1789138563.56 total 80.05 last 68.17)
 - open/close 5849 (time 1789138573.57 total 90.05 last 62.37)
 - open/close 6583 (time 1789138583.57 total 100.06 last 73.37)
 - open/close 7269 (time 1789138593.59 total 110.07 last 68.50)
 - open/close 7940 (time 1789138603.59 total 120.08 last 67.07)
total: 8000 open/close in 120.97 seconds: 66.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1789138784 ; total 0 ; last 0)
total: 8000 unlinks in 121 seconds: 66.115700 unlinks/second
 - open/close 658 (time 1789138920.87 total 10.01 last 65.74)
 - open/close 1352 (time 1789138930.88 total 20.01 last 69.39)
 - open/close 1996 (time 1789138940.88 total 30.01 last 64.38)
 - open/close 2711 (time 1789138950.89 total 40.02 last 71.45)
 - open/close 3363 (time 1789138960.90 total 50.04 last 65.11)
 - open/close 4026 (time 1789138970.90 total 60.04 last 66.28)
 - open/close 4655 (time 1789138980.90 total 70.04 last 62.90)
 - open/close 5337 (time 1789138990.91 total 80.04 last 68.18)
 - open/close 6081 (time 1789139000.91 total 90.05 last 74.35)
 - open/close 6817 (time 1789139010.92 total 100.06 last 73.54)
 - open/close 7461 (time 1789139020.93 total 110.07 last 64.34)
total: 8000 open/close in 118.03 seconds: 67.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1789139132 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second