== sanity test 124b: lru resize (performance test) ================================================================================= 07:45:03 (1779709503)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 573 (time 1779709517.46 total 10.05 last 57.03)
 - open/close 1081 (time 1779709527.46 total 20.05 last 50.79)
 - open/close 1569 (time 1779709537.47 total 30.05 last 48.79)
 - open/close 2189 (time 1779709547.47 total 40.05 last 61.99)
 - open/close 2795 (time 1779709557.48 total 50.06 last 60.55)
 - open/close 3426 (time 1779709567.48 total 60.07 last 63.07)
 - open/close 4032 (time 1779709577.49 total 70.08 last 60.54)
 - open/close 4672 (time 1779709587.49 total 80.08 last 63.98)
 - open/close 5272 (time 1779709597.50 total 90.09 last 59.94)
 - open/close 5907 (time 1779709607.51 total 100.09 last 63.46)
 - open/close 6559 (time 1779709617.52 total 110.11 last 65.11)
 - open/close 7214 (time 1779709627.53 total 120.12 last 65.44)
 - open/close 7818 (time 1779709637.55 total 130.13 last 60.32)
total: 8000 open/close in 132.76 seconds: 60.26 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 1779709840 ; total 1 ; last 1)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
 - open/close 547 (time 1779709987.62 total 10.02 last 54.60)
 - open/close 1163 (time 1779709997.63 total 20.03 last 61.53)
 - open/close 1774 (time 1779710007.64 total 30.04 last 61.05)
 - open/close 2448 (time 1779710017.64 total 40.04 last 67.38)
 - open/close 3124 (time 1779710027.65 total 50.05 last 67.56)
 - open/close 3795 (time 1779710037.65 total 60.05 last 67.07)
 - open/close 4353 (time 1779710047.67 total 70.07 last 55.69)
 - open/close 4907 (time 1779710057.70 total 80.10 last 55.24)
 - open/close 5545 (time 1779710067.72 total 90.12 last 63.69)
 - open/close 6173 (time 1779710077.72 total 100.13 last 62.76)
 - open/close 6833 (time 1779710087.74 total 110.14 last 65.88)
 - open/close 7454 (time 1779710097.76 total 120.17 last 61.97)
total: 8000 open/close in 129.63 seconds: 61.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1779710226 ; total 0 ; last 0)
total: 8000 unlinks in 92 seconds: 86.956520 unlinks/second