== sanity test 124b: lru resize (performance test) ================================================================================= 17:01:07 (1790110867)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 898 (time 1790110882.48 total 10.03 last 89.54)
 - open/close 1803 (time 1790110892.48 total 20.03 last 90.48)
 - open/close 2592 (time 1790110902.49 total 30.04 last 78.82)
 - open/close 3402 (time 1790110912.49 total 40.04 last 80.99)
 - open/close 4196 (time 1790110922.49 total 50.05 last 79.37)
 - open/close 5003 (time 1790110932.49 total 60.05 last 80.70)
 - open/close 5825 (time 1790110942.51 total 70.06 last 82.07)
 - open/close 6717 (time 1790110952.51 total 80.06 last 89.19)
 - open/close 7640 (time 1790110962.51 total 90.07 last 92.28)
total: 8000 open/close in 94.11 seconds: 85.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 148 seconds
lru_size = 400
400
 - unlinked 0 (time 1790111124 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1000 (time 1790111224.22 total 10.00 last 99.98)
 - open/close 1907 (time 1790111234.23 total 20.01 last 90.66)
 - open/close 2850 (time 1790111244.23 total 30.01 last 94.28)
 - open/close 3811 (time 1790111254.25 total 40.03 last 95.86)
 - open/close 4725 (time 1790111264.26 total 50.04 last 91.36)
 - open/close 5664 (time 1790111274.26 total 60.04 last 93.86)
 - open/close 6600 (time 1790111284.27 total 70.05 last 93.55)
 - open/close 7545 (time 1790111294.27 total 80.05 last 94.47)
total: 8000 open/close in 85.57 seconds: 93.49 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 4006
4001
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1790111385 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second