== sanity test 124b: lru resize (performance test) ================================================================================= 06:28:37 (1779704917)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 634 (time 1779704931.87 total 10.02 last 63.29)
 - open/close 1279 (time 1779704941.88 total 20.03 last 64.45)
 - open/close 1819 (time 1779704951.89 total 30.03 last 53.96)
 - open/close 2398 (time 1779704961.92 total 40.06 last 57.73)
 - open/close 2924 (time 1779704971.93 total 50.07 last 52.55)
 - open/close 3536 (time 1779704981.93 total 60.08 last 61.15)
 - open/close 4056 (time 1779704991.94 total 70.09 last 51.96)
 - open/close 4702 (time 1779705001.95 total 80.10 last 64.53)
 - open/close 5199 (time 1779705011.96 total 90.10 last 49.68)
 - open/close 5769 (time 1779705021.98 total 100.12 last 56.89)
 - open/close 6349 (time 1779705031.99 total 110.13 last 57.93)
 - open/close 6889 (time 1779705042.00 total 120.14 last 53.94)
 - open/close 7507 (time 1779705052.01 total 130.15 last 61.75)
total: 8000 open/close in 137.82 seconds: 58.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 194 seconds
lru_size = 400
 - unlinked 0 (time 1779705266 ; total 0 ; last 0)
total: 8000 unlinks in 134 seconds: 59.701492 unlinks/second
 - open/close 593 (time 1779705415.71 total 10.01 last 59.23)
 - open/close 1113 (time 1779705425.72 total 20.02 last 51.96)
 - open/close 1618 (time 1779705435.72 total 30.02 last 50.49)
 - open/close 2174 (time 1779705445.73 total 40.03 last 55.56)
 - open/close 2808 (time 1779705455.74 total 50.04 last 63.35)
 - open/close 3371 (time 1779705465.75 total 60.05 last 56.24)
 - open/close 4094 (time 1779705475.75 total 70.06 last 72.24)
 - open/close 4675 (time 1779705485.75 total 80.06 last 58.10)
 - open/close 5221 (time 1779705495.77 total 90.07 last 54.54)
 - open/close 5803 (time 1779705505.77 total 100.07 last 58.15)
 - open/close 6484 (time 1779705515.80 total 110.10 last 67.95)
 - open/close 7067 (time 1779705525.80 total 120.10 last 58.26)
 - open/close 7691 (time 1779705535.81 total 130.11 last 62.35)
total: 8000 open/close in 134.73 seconds: 59.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1779705672 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second