== sanity test 124b: lru resize (performance test) ================================================================================= 20:55:46 (1787705746)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 439 (time 1787705762.06 total 10.01 last 43.85)
 - open/close 1052 (time 1787705772.06 total 20.01 last 61.30)
 - open/close 1785 (time 1787705782.07 total 30.02 last 73.23)
 - open/close 2455 (time 1787705792.08 total 40.04 last 66.88)
 - open/close 3184 (time 1787705802.09 total 50.04 last 72.86)
 - open/close 3890 (time 1787705812.12 total 60.07 last 70.40)
 - open/close 4633 (time 1787705822.12 total 70.07 last 74.30)
 - open/close 5339 (time 1787705832.12 total 80.08 last 70.57)
 - open/close 6080 (time 1787705842.13 total 90.08 last 74.03)
 - open/close 6838 (time 1787705852.14 total 100.09 last 75.74)
 - open/close 7630 (time 1787705862.15 total 110.10 last 79.12)
total: 8000 open/close in 115.28 seconds: 69.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 157 seconds
lru_size = 400
 - unlinked 0 (time 1787706036 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 791 (time 1787706163.80 total 10.01 last 79.04)
 - open/close 1580 (time 1787706173.80 total 20.01 last 78.90)
 - open/close 2378 (time 1787706183.81 total 30.02 last 79.72)
 - open/close 3147 (time 1787706193.81 total 40.02 last 76.88)
 - open/close 3918 (time 1787706203.82 total 50.03 last 77.02)
 - open/close 4704 (time 1787706213.84 total 60.05 last 78.42)
 - open/close 5431 (time 1787706223.86 total 70.07 last 72.61)
 - open/close 6171 (time 1787706233.86 total 80.08 last 73.93)
 - open/close 6861 (time 1787706243.87 total 90.08 last 68.98)
 - open/close 7634 (time 1787706253.87 total 100.08 last 77.28)
total: 8000 open/close in 105.92 seconds: 75.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1787706375 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second