== sanity test 124b: lru resize (performance test) ================================================================================= 14:49:39 (1788806979)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1381 (time 1788806991.98 total 10.01 last 137.92)
 - open/close 2585 (time 1788807001.98 total 20.01 last 120.39)
 - open/close 3716 (time 1788807011.98 total 30.01 last 113.10)
 - open/close 4736 (time 1788807021.99 total 40.02 last 101.94)
 - open/close 5809 (time 1788807031.99 total 50.02 last 107.29)
 - open/close 7022 (time 1788807041.99 total 60.03 last 121.23)
total: 8000 open/close in 69.03 seconds: 115.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
 - unlinked 0 (time 1788807141 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 753 (time 1788807263.63 total 10.01 last 75.26)
 - open/close 1717 (time 1788807273.64 total 20.02 last 96.28)
 - open/close 2676 (time 1788807283.65 total 30.03 last 95.81)
 - open/close 3428 (time 1788807293.66 total 40.04 last 75.13)
 - open/close 4310 (time 1788807303.66 total 50.04 last 88.15)
 - open/close 5128 (time 1788807313.67 total 60.05 last 81.71)
 - open/close 5976 (time 1788807323.69 total 70.07 last 84.68)
 - open/close 6847 (time 1788807333.70 total 80.08 last 86.99)
 - open/close 7662 (time 1788807343.70 total 90.08 last 81.49)
total: 8000 open/close in 93.01 seconds: 86.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 8005
ls -la is 20% faster with lru resize enabled
 - unlinked 0 (time 1788807432 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second