== sanity test 124b: lru resize (performance test) ================================================================================= 21:31:33 (1787707893)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 832 (time 1787707907.74 total 10.01 last 83.13)
 - open/close 1636 (time 1787707917.76 total 20.03 last 80.24)
 - open/close 2473 (time 1787707927.76 total 30.03 last 83.69)
 - open/close 3335 (time 1787707937.78 total 40.05 last 86.05)
 - open/close 4141 (time 1787707947.78 total 50.05 last 80.57)
 - open/close 4910 (time 1787707957.78 total 60.05 last 76.87)
 - open/close 5705 (time 1787707967.78 total 70.06 last 79.50)
 - open/close 6484 (time 1787707977.81 total 80.09 last 77.67)
 - open/close 7317 (time 1787707987.82 total 90.09 last 83.23)
total: 8000 open/close in 98.39 seconds: 81.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 153 seconds
lru_size = 400
 - unlinked 0 (time 1787708157 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 871 (time 1787708274.33 total 10.00 last 87.08)
 - open/close 1734 (time 1787708284.34 total 20.01 last 86.23)
 - open/close 2535 (time 1787708294.35 total 30.02 last 80.06)
 - open/close 3304 (time 1787708304.35 total 40.02 last 76.88)
 - open/close 4148 (time 1787708314.36 total 50.03 last 84.32)
 - open/close 4957 (time 1787708324.36 total 60.03 last 80.89)
 - open/close 5761 (time 1787708334.36 total 70.03 last 80.37)
 - open/close 6585 (time 1787708344.37 total 80.04 last 82.33)
 - open/close 7470 (time 1787708354.38 total 90.05 last 88.40)
total: 8000 open/close in 96.19 seconds: 83.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 8005
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1787708442 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second