== sanity test 124b: lru resize (performance test) ================================================================================= 04:50:10 (1788857410)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 642 (time 1788857426.06 total 10.00 last 64.19)
 - open/close 1278 (time 1788857436.08 total 20.03 last 63.45)
 - open/close 1982 (time 1788857446.10 total 30.04 last 70.31)
 - open/close 2592 (time 1788857456.11 total 40.05 last 60.94)
 - open/close 3267 (time 1788857466.12 total 50.06 last 67.44)
 - open/close 3947 (time 1788857476.13 total 60.07 last 67.89)
 - open/close 4616 (time 1788857486.14 total 70.08 last 66.82)
 - open/close 5289 (time 1788857496.15 total 80.09 last 67.28)
 - open/close 5974 (time 1788857506.15 total 90.10 last 68.43)
 - open/close 6652 (time 1788857516.16 total 100.10 last 67.76)
 - open/close 7278 (time 1788857526.16 total 110.10 last 62.60)
 - open/close 7895 (time 1788857536.17 total 120.11 last 61.65)
total: 8000 open/close in 122.11 seconds: 65.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 154 seconds
lru_size = 400
 - unlinked 0 (time 1788857703 ; total 0 ; last 0)
total: 8000 unlinks in 112 seconds: 71.428574 unlinks/second
 - open/close 747 (time 1788857829.90 total 10.01 last 74.65)
 - open/close 1493 (time 1788857839.90 total 20.01 last 74.57)
 - open/close 2201 (time 1788857849.91 total 30.02 last 70.75)
 - open/close 2902 (time 1788857859.92 total 40.04 last 69.97)
 - open/close 3521 (time 1788857869.94 total 50.05 last 61.82)
 - open/close 4210 (time 1788857879.94 total 60.05 last 68.88)
 - open/close 4856 (time 1788857889.95 total 70.06 last 64.57)
 - open/close 5579 (time 1788857899.96 total 80.07 last 72.22)
 - open/close 6371 (time 1788857909.96 total 90.08 last 79.14)
 - open/close 7206 (time 1788857919.97 total 100.08 last 83.48)
 - open/close 7958 (time 1788857929.98 total 110.09 last 75.12)
total: 8000 open/close in 110.79 seconds: 72.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1788858037 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second