== sanity test 124b: lru resize (performance test) ================================================================================= 21:28:47 (1786411727)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 839 (time 1786411742.10 total 10.08 last 83.27)
 - open/close 1635 (time 1786411752.11 total 20.08 last 79.53)
 - open/close 2448 (time 1786411762.11 total 30.09 last 81.25)
 - open/close 3100 (time 1786411772.12 total 40.10 last 65.16)
 - open/close 3858 (time 1786411782.12 total 50.10 last 75.78)
 - open/close 4661 (time 1786411792.13 total 60.11 last 80.26)
 - open/close 5422 (time 1786411802.14 total 70.11 last 76.04)
 - open/close 6195 (time 1786411812.14 total 80.12 last 77.28)
 - open/close 6812 (time 1786411822.16 total 90.13 last 61.60)
 - open/close 7593 (time 1786411832.16 total 100.13 last 78.09)
total: 8000 open/close in 105.94 seconds: 75.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 234 seconds
lru_size = 400
 - unlinked 0 (time 1786412082 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 802 (time 1786412204.75 total 10.06 last 79.72)
 - open/close 1595 (time 1786412214.77 total 20.08 last 79.16)
 - open/close 2384 (time 1786412224.83 total 30.14 last 78.43)
 - open/close 3120 (time 1786412234.83 total 40.14 last 73.57)
 - open/close 3894 (time 1786412244.83 total 50.14 last 77.39)
 - open/close 4698 (time 1786412254.84 total 60.15 last 80.33)
 - open/close 5522 (time 1786412264.85 total 70.16 last 82.30)
 - open/close 6296 (time 1786412274.87 total 80.18 last 77.25)
 - open/close 7114 (time 1786412284.88 total 90.19 last 81.73)
 - open/close 7912 (time 1786412294.89 total 100.20 last 79.74)
total: 8000 open/close in 101.36 seconds: 78.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 110 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1786412427 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second