== sanity test 124b: lru resize (performance test) ================================================================================= 13:46:30 (1787852790)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 428 (time 1787852807.20 total 10.01 last 42.78)
 - open/close 1132 (time 1787852817.21 total 20.02 last 70.30)
 - open/close 1780 (time 1787852827.22 total 30.03 last 64.75)
 - open/close 2455 (time 1787852837.23 total 40.04 last 67.46)
 - open/close 2959 (time 1787852847.23 total 50.04 last 50.39)
 - open/close 3584 (time 1787852857.23 total 60.04 last 62.48)
 - open/close 4281 (time 1787852867.26 total 70.06 last 69.55)
 - open/close 5015 (time 1787852877.26 total 80.07 last 73.37)
 - open/close 5602 (time 1787852887.27 total 90.08 last 58.65)
 - open/close 6300 (time 1787852897.29 total 100.10 last 69.66)
 - open/close 6914 (time 1787852907.29 total 110.10 last 61.40)
 - open/close 7521 (time 1787852917.30 total 120.11 last 60.64)
 - open/close 7955 (time 1787852927.32 total 130.13 last 43.31)
total: 8000 open/close in 131.20 seconds: 60.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1787853122 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
 - open/close 714 (time 1787853257.39 total 10.00 last 71.39)
 - open/close 1351 (time 1787853267.40 total 20.01 last 63.65)
 - open/close 1917 (time 1787853277.40 total 30.01 last 56.57)
 - open/close 2390 (time 1787853287.42 total 40.03 last 47.21)
 - open/close 3019 (time 1787853297.43 total 50.05 last 62.80)
 - open/close 3701 (time 1787853307.44 total 60.05 last 68.19)
 - open/close 4426 (time 1787853317.44 total 70.06 last 72.44)
 - open/close 5112 (time 1787853327.45 total 80.06 last 68.57)
 - open/close 5774 (time 1787853337.46 total 90.08 last 66.11)
 - open/close 6408 (time 1787853347.47 total 100.08 last 63.36)
 - open/close 7122 (time 1787853357.48 total 110.09 last 71.34)
 - open/close 7903 (time 1787853367.49 total 120.10 last 78.03)
total: 8000 open/close in 121.53 seconds: 65.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8007
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787853482 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second