== sanity test 124b: lru resize (performance test) ================================================================================= 16:00:38 (1788552038)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 573 (time 1788552054.46 total 10.01 last 57.22)
 - open/close 1089 (time 1788552064.49 total 20.05 last 51.42)
 - open/close 1789 (time 1788552074.49 total 30.05 last 69.99)
 - open/close 2447 (time 1788552084.51 total 40.06 last 65.71)
 - open/close 3098 (time 1788552094.52 total 50.07 last 65.05)
 - open/close 3755 (time 1788552104.53 total 60.09 last 65.59)
 - open/close 4360 (time 1788552114.54 total 70.09 last 60.47)
 - open/close 4971 (time 1788552124.54 total 80.10 last 61.07)
 - open/close 5638 (time 1788552134.55 total 90.10 last 66.67)
 - open/close 6262 (time 1788552144.56 total 100.12 last 62.32)
 - open/close 6827 (time 1788552154.56 total 110.12 last 56.47)
 - open/close 7502 (time 1788552164.57 total 120.12 last 67.48)
total: 8000 open/close in 127.63 seconds: 62.68 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 190 seconds
lru_size = 400
400
 - unlinked 0 (time 1788552374 ; total 0 ; last 0)
total: 8000 unlinks in 130 seconds: 61.538460 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 644 (time 1788552521.12 total 10.00 last 64.40)
 - open/close 1275 (time 1788552531.13 total 20.01 last 63.03)
 - open/close 2024 (time 1788552541.13 total 30.01 last 74.90)
 - open/close 2697 (time 1788552551.14 total 40.03 last 67.20)
 - open/close 3331 (time 1788552561.15 total 50.04 last 63.33)
 - open/close 3981 (time 1788552571.16 total 60.05 last 64.93)
 - open/close 4591 (time 1788552581.18 total 70.06 last 60.92)
 - open/close 5254 (time 1788552591.19 total 80.07 last 66.23)
 - open/close 5874 (time 1788552601.20 total 90.08 last 61.92)
 - open/close 6440 (time 1788552611.20 total 100.09 last 56.56)
 - open/close 7028 (time 1788552621.21 total 110.10 last 58.76)
 - open/close 7621 (time 1788552631.22 total 120.10 last 59.26)
total: 8000 open/close in 125.65 seconds: 63.67 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 4052
3955
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1788552770 ; total 0 ; last 0)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second