== sanity test 124b: lru resize (performance test) ================================================================================= 17:33:35 (1786743215)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 674 (time 1786743232.08 total 10.01 last 67.35)
 - open/close 1403 (time 1786743242.09 total 20.01 last 72.88)
 - open/close 2054 (time 1786743252.11 total 30.03 last 64.94)
 - open/close 2717 (time 1786743262.12 total 40.05 last 66.23)
 - open/close 3478 (time 1786743272.13 total 50.05 last 76.06)
 - open/close 4266 (time 1786743282.13 total 60.05 last 78.80)
 - open/close 4974 (time 1786743292.14 total 70.06 last 70.71)
 - open/close 5510 (time 1786743302.16 total 80.08 last 53.50)
 - open/close 6214 (time 1786743312.18 total 90.10 last 70.29)
 - open/close 6875 (time 1786743322.18 total 100.10 last 66.06)
 - open/close 7647 (time 1786743332.19 total 110.11 last 77.14)
total: 8000 open/close in 114.40 seconds: 69.93 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
400
 - unlinked 0 (time 1786743522 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 905 (time 1786743648.41 total 10.01 last 90.41)
 - open/close 1736 (time 1786743658.42 total 20.01 last 83.07)
 - open/close 2565 (time 1786743668.42 total 30.02 last 82.87)
 - open/close 3344 (time 1786743678.43 total 40.02 last 77.84)
 - open/close 3964 (time 1786743688.44 total 50.04 last 61.90)
 - open/close 4725 (time 1786743698.45 total 60.05 last 76.04)
 - open/close 5481 (time 1786743708.47 total 70.06 last 75.48)
 - open/close 6238 (time 1786743718.48 total 80.07 last 75.63)
 - open/close 6872 (time 1786743728.48 total 90.07 last 63.39)
 - open/close 7465 (time 1786743738.48 total 100.08 last 59.29)
total: 8000 open/close in 109.34 seconds: 73.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 4006
4001
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1786743870 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second