== sanity test 124b: lru resize (performance test) ================================================================================= 15:05:05 (1790795105)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 794 (time 1790795120.65 total 10.01 last 79.33)
 - open/close 1519 (time 1790795130.65 total 20.01 last 72.46)
 - open/close 2295 (time 1790795140.66 total 30.02 last 77.53)
 - open/close 3127 (time 1790795150.66 total 40.02 last 83.19)
 - open/close 3917 (time 1790795160.67 total 50.03 last 78.97)
 - open/close 4670 (time 1790795170.67 total 60.03 last 75.28)
 - open/close 5527 (time 1790795180.68 total 70.04 last 85.62)
 - open/close 6361 (time 1790795190.70 total 80.06 last 83.21)
 - open/close 7157 (time 1790795200.71 total 90.07 last 79.55)
 - open/close 7986 (time 1790795210.72 total 100.08 last 82.82)
total: 8000 open/close in 100.23 seconds: 79.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1790795376 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 839 (time 1790795499.24 total 10.01 last 83.84)
 - open/close 1711 (time 1790795509.24 total 20.01 last 87.20)
 - open/close 2507 (time 1790795519.25 total 30.01 last 79.59)
 - open/close 3254 (time 1790795529.26 total 40.02 last 74.61)
 - open/close 4040 (time 1790795539.26 total 50.03 last 78.55)
 - open/close 4929 (time 1790795549.27 total 60.03 last 88.85)
 - open/close 5771 (time 1790795559.28 total 70.04 last 84.13)
 - open/close 6501 (time 1790795569.29 total 80.05 last 72.93)
 - open/close 7221 (time 1790795579.30 total 90.06 last 71.90)
 - open/close 7779 (time 1790795589.31 total 100.07 last 55.77)
total: 8000 open/close in 103.96 seconds: 76.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 31% faster with lru resize enabled
 - unlinked 0 (time 1790795724 ; total 0 ; last 0)
total: 8000 unlinks in 86 seconds: 93.023254 unlinks/second