== sanity test 124b: lru resize (performance test) ================================================================================= 20:27:29 (1785976049)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 487 (time 1785976066.15 total 10.02 last 48.59)
 - open/close 1074 (time 1785976076.15 total 20.03 last 58.68)
 - open/close 1724 (time 1785976086.19 total 30.06 last 64.79)
 - open/close 2489 (time 1785976096.19 total 40.06 last 76.47)
 - open/close 3148 (time 1785976106.19 total 50.06 last 65.89)
 - open/close 3837 (time 1785976116.21 total 60.08 last 68.79)
 - open/close 4519 (time 1785976126.22 total 70.09 last 68.12)
 - open/close 5276 (time 1785976136.23 total 80.10 last 75.63)
 - open/close 6203 (time 1785976146.24 total 90.11 last 92.61)
 - open/close 6938 (time 1785976156.25 total 100.12 last 73.39)
 - open/close 7633 (time 1785976166.26 total 110.13 last 69.47)
total: 8000 open/close in 115.53 seconds: 69.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 180 seconds
lru_size = 400
400
 - unlinked 0 (time 1785976363 ; total 0 ; last 0)
total: 8000 unlinks in 124 seconds: 64.516129 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 744 (time 1785976503.85 total 10.01 last 74.30)
 - open/close 1382 (time 1785976513.85 total 20.02 last 63.77)
 - open/close 2071 (time 1785976523.86 total 30.03 last 68.86)
 - open/close 2878 (time 1785976533.86 total 40.03 last 80.66)
 - open/close 3466 (time 1785976543.88 total 50.05 last 58.72)
 - open/close 4082 (time 1785976553.89 total 60.06 last 61.53)
 - open/close 4952 (time 1785976563.89 total 70.06 last 86.96)
 - open/close 5696 (time 1785976573.90 total 80.07 last 74.35)
 - open/close 6435 (time 1785976583.92 total 90.08 last 73.79)
 - open/close 7173 (time 1785976593.92 total 100.08 last 73.79)
total: 8000 open/close in 109.99 seconds: 72.74 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 112 seconds
lru_size = 4052
3955
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1785976737 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second