== sanity test 124b: lru resize (performance test) ================================================================================= 21:26:08 (1786757168)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 637 (time 1786757182.18 total 10.01 last 63.65)
 - open/close 1252 (time 1786757192.19 total 20.01 last 61.46)
 - open/close 1867 (time 1786757202.22 total 30.04 last 61.34)
 - open/close 2442 (time 1786757212.23 total 40.05 last 57.44)
 - open/close 3048 (time 1786757222.24 total 50.06 last 60.55)
 - open/close 3754 (time 1786757232.28 total 60.10 last 70.29)
 - open/close 4435 (time 1786757242.28 total 70.10 last 68.10)
 - open/close 5167 (time 1786757252.28 total 80.11 last 73.16)
 - open/close 5891 (time 1786757262.29 total 90.11 last 72.37)
 - open/close 6645 (time 1786757272.29 total 100.11 last 75.39)
 - open/close 7372 (time 1786757282.30 total 110.13 last 72.61)
total: 8000 open/close in 117.94 seconds: 67.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 181 seconds
lru_size = 400
 - unlinked 0 (time 1786757480 ; total 0 ; last 0)
total: 8000 unlinks in 123 seconds: 65.040649 unlinks/second
 - open/close 653 (time 1786757618.91 total 10.07 last 64.83)
 - open/close 1330 (time 1786757628.91 total 20.08 last 67.68)
 - open/close 2148 (time 1786757638.92 total 30.08 last 81.75)
 - open/close 3035 (time 1786757648.93 total 40.09 last 88.62)
 - open/close 3854 (time 1786757658.93 total 50.10 last 81.84)
 - open/close 4557 (time 1786757668.95 total 60.11 last 70.20)
 - open/close 5369 (time 1786757678.95 total 70.12 last 81.15)
 - open/close 6100 (time 1786757688.96 total 80.13 last 73.05)
 - open/close 6857 (time 1786757698.96 total 90.13 last 75.69)
 - open/close 7559 (time 1786757708.97 total 100.13 last 70.17)
total: 8000 open/close in 105.84 seconds: 75.58 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8005
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1786757825 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second