== sanity test 124b: lru resize (performance test) ================================================================================= 09:51:19 (1787147479)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 681 (time 1787147493.78 total 10.01 last 68.04)
 - open/close 1322 (time 1787147503.79 total 20.02 last 64.05)
 - open/close 2015 (time 1787147513.79 total 30.02 last 69.30)
 - open/close 2688 (time 1787147523.81 total 40.03 last 67.21)
 - open/close 3395 (time 1787147533.81 total 50.04 last 70.67)
 - open/close 3989 (time 1787147543.82 total 60.05 last 59.32)
 - open/close 4622 (time 1787147553.82 total 70.05 last 63.29)
 - open/close 5294 (time 1787147563.84 total 80.07 last 67.07)
 - open/close 5891 (time 1787147573.85 total 90.07 last 59.67)
 - open/close 6515 (time 1787147583.86 total 100.09 last 62.32)
 - open/close 7166 (time 1787147593.86 total 110.09 last 65.09)
 - open/close 7743 (time 1787147603.87 total 120.09 last 57.69)
total: 8000 open/close in 124.29 seconds: 64.37 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 189 seconds
lru_size = 400
 - unlinked 0 (time 1787147808 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
 - open/close 566 (time 1787147956.08 total 10.02 last 56.50)
 - open/close 1085 (time 1787147966.08 total 20.02 last 51.89)
 - open/close 1627 (time 1787147976.08 total 30.02 last 54.20)
 - open/close 2141 (time 1787147986.08 total 40.02 last 51.38)
 - open/close 2714 (time 1787147996.11 total 50.05 last 57.18)
 - open/close 3256 (time 1787148006.11 total 60.05 last 54.16)
 - open/close 3869 (time 1787148016.13 total 70.07 last 61.22)
 - open/close 4514 (time 1787148026.14 total 80.08 last 64.39)
 - open/close 5112 (time 1787148036.16 total 90.10 last 59.72)
 - open/close 5766 (time 1787148046.17 total 100.11 last 65.34)
 - open/close 6467 (time 1787148056.18 total 110.12 last 70.01)
 - open/close 7106 (time 1787148066.19 total 120.13 last 63.81)
 - open/close 7743 (time 1787148076.22 total 130.16 last 63.56)
total: 8000 open/close in 133.99 seconds: 59.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787148194 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second