== sanity test 124b: lru resize (performance test) ================================================================================= 05:23:37 (1788773017)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 806 (time 1788773032.61 total 10.00 last 80.57)
 - open/close 1695 (time 1788773042.62 total 20.01 last 88.83)
 - open/close 2632 (time 1788773052.62 total 30.01 last 93.67)
 - open/close 3483 (time 1788773062.63 total 40.03 last 84.99)
 - open/close 4385 (time 1788773072.63 total 50.03 last 90.19)
 - open/close 5264 (time 1788773082.64 total 60.04 last 87.83)
 - open/close 6197 (time 1788773092.64 total 70.04 last 93.29)
 - open/close 7164 (time 1788773102.66 total 80.05 last 96.57)
 - open/close 7937 (time 1788773112.66 total 90.05 last 77.30)
total: 8000 open/close in 90.93 seconds: 87.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 145 seconds
lru_size = 400
400
 - unlinked 0 (time 1788773269 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 672 (time 1788773381.80 total 10.00 last 67.19)
 - open/close 1343 (time 1788773391.80 total 20.00 last 67.09)
 - open/close 2103 (time 1788773401.81 total 30.01 last 75.94)
 - open/close 2798 (time 1788773411.82 total 40.02 last 69.40)
 - open/close 3490 (time 1788773421.82 total 50.03 last 69.19)
 - open/close 4341 (time 1788773431.83 total 60.03 last 85.06)
 - open/close 5209 (time 1788773441.83 total 70.03 last 86.76)
 - open/close 6229 (time 1788773451.87 total 80.07 last 101.66)
 - open/close 7105 (time 1788773461.87 total 90.07 last 87.57)
 - open/close 7874 (time 1788773471.87 total 100.07 last 76.89)
total: 8000 open/close in 101.71 seconds: 78.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1788773589 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second