== sanity test 124b: lru resize (performance test) ================================================================================= 18:23:50 (1784240630)
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 843 (time 1784240645.16 total 10.01 last 84.25)
 - open/close 1779 (time 1784240655.17 total 20.02 last 93.46)
 - open/close 2640 (time 1784240665.17 total 30.02 last 86.10)
 - open/close 3431 (time 1784240675.18 total 40.03 last 79.07)
 - open/close 4150 (time 1784240685.18 total 50.03 last 71.85)
 - open/close 4983 (time 1784240695.19 total 60.04 last 83.25)
 - open/close 5790 (time 1784240705.19 total 70.04 last 80.68)
 - open/close 6607 (time 1784240715.20 total 80.05 last 81.64)
 - open/close 7494 (time 1784240725.21 total 90.05 last 88.64)
total: 8000 open/close in 97.46 seconds: 82.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
400
 - unlinked 0 (time 1784240907 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 836 (time 1784241022.17 total 10.01 last 83.50)
 - open/close 1638 (time 1784241032.18 total 20.03 last 80.06)
 - open/close 2576 (time 1784241042.19 total 30.03 last 93.74)
 - open/close 3418 (time 1784241052.21 total 40.05 last 84.06)
 - open/close 4417 (time 1784241062.21 total 50.06 last 99.82)
 - open/close 5125 (time 1784241072.23 total 60.08 last 70.68)
 - open/close 6038 (time 1784241082.24 total 70.08 last 91.25)
 - open/close 6865 (time 1784241092.25 total 80.10 last 82.56)
 - open/close 7750 (time 1784241102.26 total 90.10 last 88.46)
total: 8000 open/close in 93.30 seconds: 85.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1784241218 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second