== sanity test 124b: lru resize (performance test) ================================================================================= 15:46:12 (1763498772)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 724 (time 1763498786.83 total 10.00 last 72.39)
 - open/close 1443 (time 1763498796.83 total 20.00 last 71.90)
 - open/close 2198 (time 1763498806.83 total 30.01 last 75.47)
 - open/close 2989 (time 1763498816.84 total 40.01 last 79.04)
 - open/close 3767 (time 1763498826.86 total 50.03 last 77.68)
 - open/close 4482 (time 1763498836.88 total 60.06 last 71.30)
 - open/close 5077 (time 1763498846.89 total 70.07 last 59.45)
 - open/close 5618 (time 1763498856.95 total 80.12 last 53.80)
 - open/close 5813 (time 1763498866.96 total 90.13 last 19.48)
 - open/close 6014 (time 1763498876.97 total 100.14 last 20.08)
 - open/close 6790 (time 1763498886.97 total 110.15 last 77.56)
 - open/close 7537 (time 1763498896.98 total 120.15 last 74.67)
total: 8000 open/close in 126.47 seconds: 63.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1763499068 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 774 (time 1763499187.48 total 10.01 last 77.33)
 - open/close 1451 (time 1763499197.49 total 20.01 last 67.68)
 - open/close 2085 (time 1763499207.49 total 30.01 last 63.40)
 - open/close 2646 (time 1763499217.50 total 40.03 last 56.02)
 - open/close 3275 (time 1763499227.53 total 50.05 last 62.73)
 - open/close 3920 (time 1763499237.54 total 60.07 last 64.41)
 - open/close 4671 (time 1763499247.55 total 70.08 last 75.02)
 - open/close 5359 (time 1763499257.55 total 80.08 last 68.80)
 - open/close 6007 (time 1763499267.56 total 90.09 last 64.76)
 - open/close 6680 (time 1763499277.57 total 100.10 last 67.21)
 - open/close 7397 (time 1763499287.58 total 110.11 last 71.66)
total: 8000 open/close in 118.68 seconds: 67.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1763499402 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second