== sanity test 124b: lru resize (performance test) ================================================================================= 05:23:23 (1778664203)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 637 (time 1778664218.08 total 10.00 last 63.70)
 - open/close 1211 (time 1778664228.11 total 20.03 last 57.24)
 - open/close 1820 (time 1778664238.11 total 30.03 last 60.88)
 - open/close 2479 (time 1778664248.12 total 40.04 last 65.85)
 - open/close 3154 (time 1778664258.13 total 50.04 last 67.46)
 - open/close 3822 (time 1778664268.14 total 60.05 last 66.73)
 - open/close 4509 (time 1778664278.14 total 70.06 last 68.66)
 - open/close 5127 (time 1778664288.14 total 80.06 last 61.79)
 - open/close 5715 (time 1778664298.16 total 90.07 last 58.73)
 - open/close 6343 (time 1778664308.16 total 100.08 last 62.77)
 - open/close 6910 (time 1778664318.17 total 110.09 last 56.65)
 - open/close 7515 (time 1778664328.17 total 120.09 last 60.50)
total: 8000 open/close in 128.59 seconds: 62.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 194 seconds
lru_size = 400
 - unlinked 0 (time 1778664544 ; total 0 ; last 0)
total: 8000 unlinks in 138 seconds: 57.971016 unlinks/second
 - open/close 605 (time 1778664697.02 total 10.00 last 60.48)
 - open/close 1186 (time 1778664707.03 total 20.01 last 58.07)
 - open/close 1713 (time 1778664717.03 total 30.01 last 52.69)
 - open/close 2105 (time 1778664727.07 total 40.05 last 39.05)
 - open/close 2471 (time 1778664737.10 total 50.08 last 36.48)
 - open/close 2890 (time 1778664747.10 total 60.08 last 41.89)
 - open/close 3484 (time 1778664757.11 total 70.10 last 59.31)
 - open/close 4101 (time 1778664767.12 total 80.10 last 61.68)
 - open/close 4692 (time 1778664777.13 total 90.11 last 59.04)
 - open/close 5313 (time 1778664787.14 total 100.13 last 62.01)
 - open/close 5907 (time 1778664797.15 total 110.14 last 59.34)
 - open/close 6385 (time 1778664807.17 total 120.15 last 47.73)
 - open/close 6936 (time 1778664817.18 total 130.16 last 55.03)
 - open/close 7329 (time 1778664827.19 total 140.18 last 39.25)
 - open/close 7852 (time 1778664837.19 total 150.18 last 52.29)
total: 8000 open/close in 153.57 seconds: 52.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 113 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1778664983 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second