== sanity test 124b: lru resize (performance test) ================================================================================= 02:47:31 (1781246851)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 617 (time 1781246866.87 total 10.01 last 61.65)
 - open/close 1220 (time 1781246876.88 total 20.02 last 60.23)
 - open/close 1800 (time 1781246886.89 total 30.03 last 57.96)
 - open/close 2422 (time 1781246896.89 total 40.03 last 62.18)
 - open/close 2948 (time 1781246906.90 total 50.04 last 52.54)
 - open/close 3418 (time 1781246916.92 total 60.07 last 46.89)
 - open/close 3780 (time 1781246926.95 total 70.09 last 36.11)
 - open/close 4182 (time 1781246936.97 total 80.12 last 40.09)
 - open/close 4733 (time 1781246946.98 total 90.12 last 55.09)
 - open/close 5187 (time 1781246957.00 total 100.15 last 45.27)
 - open/close 5676 (time 1781246967.02 total 110.17 last 48.80)
 - open/close 6181 (time 1781246977.03 total 120.18 last 50.44)
 - open/close 6784 (time 1781246987.05 total 130.19 last 60.23)
 - open/close 7340 (time 1781246997.07 total 140.21 last 55.46)
 - open/close 7903 (time 1781247007.09 total 150.23 last 56.20)
total: 8000 open/close in 151.99 seconds: 52.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 215 seconds
lru_size = 400
 - unlinked 0 (time 1781247239 ; total 0 ; last 0)
total: 8000 unlinks in 146 seconds: 54.794521 unlinks/second
 - open/close 617 (time 1781247399.62 total 10.00 last 61.69)
 - open/close 1199 (time 1781247409.63 total 20.01 last 58.13)
 - open/close 1823 (time 1781247419.65 total 30.03 last 62.31)
 - open/close 2377 (time 1781247429.66 total 40.04 last 55.32)
 - open/close 3075 (time 1781247439.67 total 50.05 last 69.73)
 - open/close 3789 (time 1781247449.68 total 60.06 last 71.31)
 - open/close 4557 (time 1781247459.69 total 70.07 last 76.78)
 - open/close 5286 (time 1781247469.69 total 80.07 last 72.88)
 - open/close 6096 (time 1781247479.70 total 90.08 last 80.92)
 - open/close 6991 (time 1781247489.71 total 100.09 last 89.44)
 - open/close 7872 (time 1781247499.71 total 110.09 last 88.09)
total: 8000 open/close in 111.72 seconds: 71.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 59 seconds
lru_size = 8005
ls -la is 72% faster with lru resize enabled
 - unlinked 0 (time 1781247576 ; total 0 ; last 0)
total: 8000 unlinks in 60 seconds: 133.333328 unlinks/second