== sanity test 124b: lru resize (performance test) ================================================================================= 17:15:14 (1787865314)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 758 (time 1787865328.56 total 10.00 last 75.78)
 - open/close 1467 (time 1787865338.57 total 20.01 last 70.82)
 - open/close 2180 (time 1787865348.58 total 30.02 last 71.26)
 - open/close 2859 (time 1787865358.60 total 40.04 last 67.77)
 - open/close 3522 (time 1787865368.60 total 50.04 last 66.27)
 - open/close 4253 (time 1787865378.62 total 60.06 last 73.01)
 - open/close 4905 (time 1787865388.63 total 70.07 last 65.12)
 - open/close 5445 (time 1787865398.64 total 80.08 last 53.93)
 - open/close 5911 (time 1787865408.64 total 90.08 last 46.58)
 - open/close 6482 (time 1787865418.65 total 100.09 last 57.06)
 - open/close 7132 (time 1787865428.66 total 110.10 last 64.95)
 - open/close 7850 (time 1787865438.67 total 120.11 last 71.75)
total: 8000 open/close in 122.28 seconds: 65.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1787865619 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 828 (time 1787865738.17 total 10.00 last 82.77)
 - open/close 1540 (time 1787865748.17 total 20.01 last 71.15)
 - open/close 2250 (time 1787865758.18 total 30.02 last 70.95)
 - open/close 2951 (time 1787865768.20 total 40.03 last 69.99)
 - open/close 3643 (time 1787865778.20 total 50.04 last 69.14)
 - open/close 4414 (time 1787865788.21 total 60.04 last 77.08)
 - open/close 5180 (time 1787865798.22 total 70.05 last 76.53)
 - open/close 5894 (time 1787865808.22 total 80.06 last 71.36)
 - open/close 6671 (time 1787865818.22 total 90.06 last 77.69)
 - open/close 7279 (time 1787865828.23 total 100.07 last 60.76)
 - open/close 7977 (time 1787865838.25 total 110.09 last 69.62)
total: 8000 open/close in 110.35 seconds: 72.50 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 81 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787865942 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second