== sanity test 124b: lru resize (performance test) ================================================================================= 11:33:27 (1788536007)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 765 (time 1788536022.55 total 10.01 last 76.44)
 - open/close 1441 (time 1788536032.55 total 20.01 last 67.60)
 - open/close 2127 (time 1788536042.56 total 30.01 last 68.55)
 - open/close 2911 (time 1788536052.56 total 40.02 last 78.37)
 - open/close 3631 (time 1788536062.56 total 50.02 last 71.99)
 - open/close 4382 (time 1788536072.57 total 60.02 last 75.08)
 - open/close 4961 (time 1788536082.59 total 70.05 last 57.76)
 - open/close 5613 (time 1788536092.60 total 80.06 last 65.13)
 - open/close 6298 (time 1788536102.60 total 90.06 last 68.49)
 - open/close 7069 (time 1788536112.61 total 100.07 last 77.03)
 - open/close 7829 (time 1788536122.62 total 110.08 last 75.91)
total: 8000 open/close in 112.11 seconds: 71.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 159 seconds
lru_size = 400
 - unlinked 0 (time 1788536293 ; total 0 ; last 0)
total: 8000 unlinks in 122 seconds: 65.573769 unlinks/second
 - open/close 761 (time 1788536429.61 total 10.01 last 76.03)
 - open/close 1539 (time 1788536439.62 total 20.02 last 77.73)
 - open/close 2256 (time 1788536449.62 total 30.02 last 71.67)
 - open/close 3013 (time 1788536459.63 total 40.03 last 75.66)
 - open/close 3829 (time 1788536469.64 total 50.04 last 81.51)
 - open/close 4558 (time 1788536479.66 total 60.06 last 72.76)
 - open/close 5308 (time 1788536489.66 total 70.06 last 74.98)
 - open/close 6075 (time 1788536499.67 total 80.07 last 76.63)
 - open/close 6831 (time 1788536509.68 total 90.08 last 75.54)
 - open/close 7566 (time 1788536519.68 total 100.08 last 73.48)
total: 8000 open/close in 106.10 seconds: 75.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1788536642 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second