== sanity test 124b: lru resize (performance test) ================================================================================= 06:27:12 (1787135232)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 712 (time 1787135247.69 total 10.02 last 71.06)
 - open/close 1445 (time 1787135257.69 total 20.02 last 73.30)
 - open/close 2127 (time 1787135267.70 total 30.03 last 68.15)
 - open/close 2802 (time 1787135277.70 total 40.03 last 67.47)
 - open/close 3528 (time 1787135287.72 total 50.05 last 72.44)
 - open/close 4238 (time 1787135297.73 total 60.06 last 70.98)
 - open/close 4981 (time 1787135307.73 total 70.06 last 74.23)
 - open/close 5686 (time 1787135317.74 total 80.07 last 70.49)
 - open/close 6364 (time 1787135327.75 total 90.08 last 67.73)
 - open/close 7062 (time 1787135337.75 total 100.08 last 69.76)
 - open/close 7780 (time 1787135347.76 total 110.09 last 71.74)
total: 8000 open/close in 113.33 seconds: 70.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 197 seconds
lru_size = 400
 - unlinked 0 (time 1787135559 ; total 0 ; last 0)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 704 (time 1787135696.73 total 10.00 last 70.37)
 - open/close 1399 (time 1787135706.74 total 20.01 last 69.46)
 - open/close 2139 (time 1787135716.76 total 30.03 last 73.83)
 - open/close 2836 (time 1787135726.77 total 40.04 last 69.62)
 - open/close 3552 (time 1787135736.78 total 50.06 last 71.52)
 - open/close 4197 (time 1787135746.81 total 60.08 last 64.33)
 - open/close 4885 (time 1787135756.82 total 70.09 last 68.71)
 - open/close 5577 (time 1787135766.83 total 80.10 last 69.18)
 - open/close 6195 (time 1787135776.83 total 90.10 last 61.79)
 - open/close 6944 (time 1787135786.83 total 100.10 last 74.88)
 - open/close 7675 (time 1787135796.83 total 110.10 last 73.08)
total: 8000 open/close in 114.50 seconds: 69.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1787135905 ; total 0 ; last 0)
total: 8000 unlinks in 75 seconds: 106.666664 unlinks/second