== sanity test 124b: lru resize (performance test) ================================================================================= 11:01:36 (1787324496)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 788 (time 1787324512.26 total 10.02 last 78.63)
 - open/close 1487 (time 1787324522.26 total 20.02 last 69.90)
 - open/close 2215 (time 1787324532.26 total 30.02 last 72.79)
 - open/close 2918 (time 1787324542.26 total 40.03 last 70.27)
 - open/close 3671 (time 1787324552.27 total 50.03 last 75.27)
 - open/close 4281 (time 1787324562.27 total 60.04 last 60.96)
 - open/close 5057 (time 1787324572.28 total 70.05 last 77.53)
 - open/close 5866 (time 1787324582.29 total 80.05 last 80.84)
 - open/close 6640 (time 1787324592.29 total 90.06 last 77.37)
 - open/close 7274 (time 1787324602.31 total 100.07 last 63.32)
 - open/close 7875 (time 1787324612.32 total 110.08 last 60.04)
total: 8000 open/close in 112.10 seconds: 71.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 180 seconds
lru_size = 400
 - unlinked 0 (time 1787324804 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 644 (time 1787324933.56 total 10.00 last 64.38)
 - open/close 1462 (time 1787324943.56 total 20.01 last 81.78)
 - open/close 2226 (time 1787324953.58 total 30.02 last 76.28)
 - open/close 2946 (time 1787324963.59 total 40.03 last 71.93)
 - open/close 3812 (time 1787324973.59 total 50.04 last 86.56)
 - open/close 4573 (time 1787324983.60 total 60.04 last 76.08)
 - open/close 5355 (time 1787324993.61 total 70.05 last 78.12)
 - open/close 6176 (time 1787325003.62 total 80.06 last 81.98)
 - open/close 6694 (time 1787325013.63 total 90.07 last 51.76)
 - open/close 7152 (time 1787325023.66 total 100.10 last 45.68)
 - open/close 7783 (time 1787325033.66 total 110.10 last 63.07)
total: 8000 open/close in 114.01 seconds: 70.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1787325164 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second