== sanity test 124b: lru resize (performance test) ================================================================================= 18:13:43 (1787609623)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 640 (time 1787609638.17 total 10.03 last 63.78)
 - open/close 1391 (time 1787609648.17 total 20.04 last 75.09)
 - open/close 1995 (time 1787609658.17 total 30.04 last 60.39)
 - open/close 2625 (time 1787609668.18 total 40.05 last 62.95)
 - open/close 3156 (time 1787609678.19 total 50.05 last 53.08)
 - open/close 3725 (time 1787609688.20 total 60.06 last 56.86)
 - open/close 4376 (time 1787609698.20 total 70.06 last 65.06)
 - open/close 5030 (time 1787609708.20 total 80.06 last 65.40)
 - open/close 5808 (time 1787609718.21 total 90.07 last 77.76)
 - open/close 6524 (time 1787609728.22 total 100.08 last 71.53)
 - open/close 7249 (time 1787609738.24 total 110.11 last 72.30)
 - open/close 7972 (time 1787609748.26 total 120.12 last 72.20)
total: 8000 open/close in 120.60 seconds: 66.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 165 seconds
lru_size = 400
 - unlinked 0 (time 1787609923 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 739 (time 1787610041.17 total 10.00 last 73.87)
 - open/close 1405 (time 1787610051.18 total 20.01 last 66.53)
 - open/close 2160 (time 1787610061.19 total 30.03 last 75.41)
 - open/close 2804 (time 1787610071.20 total 40.04 last 64.32)
 - open/close 3534 (time 1787610081.22 total 50.05 last 72.92)
 - open/close 4310 (time 1787610091.22 total 60.05 last 77.58)
 - open/close 5061 (time 1787610101.23 total 70.06 last 75.04)
 - open/close 5830 (time 1787610111.23 total 80.07 last 76.85)
 - open/close 6605 (time 1787610121.24 total 90.07 last 77.45)
 - open/close 7359 (time 1787610131.24 total 100.08 last 75.38)
total: 8000 open/close in 108.00 seconds: 74.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1787610248 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second