== sanity test 124b: lru resize (performance test) ================================================================================= 19:13:21 (1788650001)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 712 (time 1788650016.80 total 10.01 last 71.16)
 - open/close 1549 (time 1788650026.82 total 20.02 last 83.61)
 - open/close 2412 (time 1788650036.82 total 30.02 last 86.30)
 - open/close 3292 (time 1788650046.82 total 40.02 last 87.97)
 - open/close 4098 (time 1788650056.83 total 50.03 last 80.55)
 - open/close 4858 (time 1788650066.83 total 60.03 last 75.98)
 - open/close 5603 (time 1788650076.85 total 70.05 last 74.36)
 - open/close 6392 (time 1788650086.86 total 80.06 last 78.81)
 - open/close 7106 (time 1788650096.87 total 90.07 last 71.33)
 - open/close 7808 (time 1788650106.88 total 100.08 last 70.15)
total: 8000 open/close in 102.63 seconds: 77.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 160 seconds
lru_size = 400
 - unlinked 0 (time 1788650280 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 550 (time 1788650410.13 total 10.00 last 54.99)
 - open/close 1369 (time 1788650420.14 total 20.01 last 81.83)
 - open/close 2195 (time 1788650430.16 total 30.03 last 82.47)
 - open/close 3016 (time 1788650440.18 total 40.04 last 81.97)
 - open/close 3693 (time 1788650450.19 total 50.05 last 67.61)
 - open/close 4505 (time 1788650460.21 total 60.07 last 81.04)
 - open/close 5301 (time 1788650470.22 total 70.08 last 79.51)
 - open/close 5999 (time 1788650480.22 total 80.09 last 69.77)
 - open/close 6729 (time 1788650490.22 total 90.09 last 72.99)
 - open/close 7452 (time 1788650500.23 total 100.10 last 72.24)
total: 8000 open/close in 107.43 seconds: 74.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1788650619 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second