== sanity test 124b: lru resize (performance test) ================================================================================= 12:20:04 (1785946804)
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 529 (time 1785946820.74 total 10.01 last 52.87)
 - open/close 1180 (time 1785946830.77 total 20.03 last 64.91)
 - open/close 1734 (time 1785946840.77 total 30.04 last 55.38)
 - open/close 2384 (time 1785946850.81 total 40.07 last 64.77)
 - open/close 2814 (time 1785946860.82 total 50.08 last 42.97)
 - open/close 3256 (time 1785946870.84 total 60.10 last 44.10)
 - open/close 3891 (time 1785946880.84 total 70.10 last 63.49)
 - open/close 4413 (time 1785946890.86 total 80.12 last 52.11)
 - open/close 4922 (time 1785946900.89 total 90.15 last 50.74)
 - open/close 5505 (time 1785946910.90 total 100.16 last 58.25)
 - open/close 6166 (time 1785946920.90 total 110.17 last 66.06)
 - open/close 6738 (time 1785946930.91 total 120.17 last 57.18)
 - open/close 7371 (time 1785946940.92 total 130.18 last 63.24)
 - open/close 7948 (time 1785946950.93 total 140.19 last 57.62)
total: 8000 open/close in 141.06 seconds: 56.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 400
400
 - unlinked 0 (time 1785947087 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 477 (time 1785947236.23 total 10.00 last 47.69)
 - open/close 1142 (time 1785947246.24 total 20.01 last 66.42)
 - open/close 1813 (time 1785947256.24 total 30.02 last 67.07)
 - open/close 2478 (time 1785947266.24 total 40.02 last 66.50)
 - open/close 3060 (time 1785947276.25 total 50.03 last 58.14)
 - open/close 3472 (time 1785947286.26 total 60.04 last 41.17)
 - open/close 3868 (time 1785947296.27 total 70.05 last 39.55)
 - open/close 4371 (time 1785947306.28 total 80.05 last 50.29)
 - open/close 5012 (time 1785947316.29 total 90.06 last 64.03)
 - open/close 5586 (time 1785947326.30 total 100.07 last 57.34)
 - open/close 6083 (time 1785947336.30 total 110.08 last 49.67)
 - open/close 6633 (time 1785947346.32 total 120.10 last 54.88)
 - open/close 7324 (time 1785947356.34 total 130.11 last 69.01)
 - open/close 7821 (time 1785947366.36 total 140.14 last 49.57)
total: 8000 open/close in 144.36 seconds: 55.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 118 seconds
lru_size = 4006
4001
lru resize performs the same with no lru resize
 - unlinked 0 (time 1785947520 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second