== sanity test 124b: lru resize (performance test) ================================================================================= 00:04:06 (1786680246)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 738 (time 1786680260.44 total 10.00 last 73.77)
 - open/close 1445 (time 1786680270.45 total 20.02 last 70.61)
 - open/close 2044 (time 1786680280.45 total 30.02 last 59.89)
 - open/close 2746 (time 1786680290.46 total 40.02 last 70.17)
 - open/close 3404 (time 1786680300.46 total 50.02 last 65.78)
 - open/close 4114 (time 1786680310.48 total 60.04 last 70.89)
 - open/close 4800 (time 1786680320.48 total 70.05 last 68.57)
 - open/close 5447 (time 1786680330.49 total 80.05 last 64.64)
 - open/close 6194 (time 1786680340.49 total 90.06 last 74.69)
 - open/close 6901 (time 1786680350.52 total 100.09 last 70.48)
 - open/close 7582 (time 1786680360.52 total 110.09 last 68.08)
total: 8000 open/close in 116.45 seconds: 68.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 184 seconds
lru_size = 400
 - unlinked 0 (time 1786680561 ; total 0 ; last 0)
total: 8000 unlinks in 132 seconds: 60.606060 unlinks/second
 - open/close 738 (time 1786680707.43 total 10.00 last 73.77)
 - open/close 1473 (time 1786680717.45 total 20.02 last 73.35)
 - open/close 2190 (time 1786680727.46 total 30.03 last 71.66)
 - open/close 2914 (time 1786680737.49 total 40.06 last 72.21)
 - open/close 3641 (time 1786680747.50 total 50.07 last 72.60)
 - open/close 4342 (time 1786680757.51 total 60.08 last 70.03)
 - open/close 5073 (time 1786680767.52 total 70.10 last 72.99)
 - open/close 5820 (time 1786680777.53 total 80.10 last 74.66)
 - open/close 6496 (time 1786680787.54 total 90.11 last 67.54)
 - open/close 7214 (time 1786680797.54 total 100.11 last 71.78)
 - open/close 7971 (time 1786680807.56 total 110.13 last 75.57)
total: 8000 open/close in 110.58 seconds: 72.35 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 50% faster with lru resize enabled
 - unlinked 0 (time 1786680924 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second