== sanity test 124b: lru resize (performance test) ================================================================================= 12:46:51 (1788367611)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 996 (time 1788367624.77 total 10.01 last 99.49)
 - open/close 1901 (time 1788367634.78 total 20.02 last 90.42)
 - open/close 2797 (time 1788367644.79 total 30.02 last 89.59)
 - open/close 3701 (time 1788367654.80 total 40.03 last 90.29)
 - open/close 4602 (time 1788367664.81 total 50.05 last 89.99)
 - open/close 4960 (time 1788367674.83 total 60.07 last 35.73)
 - open/close 5482 (time 1788367684.85 total 70.08 last 52.10)
 - open/close 5803 (time 1788367694.86 total 80.09 last 32.07)
 - open/close 6662 (time 1788367704.86 total 90.09 last 85.88)
 - open/close 7465 (time 1788367714.86 total 100.10 last 80.27)
total: 8000 open/close in 106.32 seconds: 75.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 120 seconds
lru_size = 400
 - unlinked 0 (time 1788367848 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second
 - open/close 1015 (time 1788367934.12 total 10.01 last 101.43)
 - open/close 2042 (time 1788367944.12 total 20.01 last 102.66)
 - open/close 3185 (time 1788367954.13 total 30.02 last 114.20)
 - open/close 4117 (time 1788367964.14 total 40.02 last 93.16)
 - open/close 5085 (time 1788367974.14 total 50.03 last 96.76)
 - open/close 6128 (time 1788367984.15 total 60.04 last 104.22)
 - open/close 7210 (time 1788367994.16 total 70.05 last 108.08)
total: 8000 open/close in 79.46 seconds: 100.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 8005
ls -la is 55% faster with lru resize enabled
 - unlinked 0 (time 1788368071 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second