== sanity test 124b: lru resize (performance test) ================================================================================= 21:50:25 (1787449825)
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 914 (time 1787449839.61 total 10.00 last 91.37)
 - open/close 1849 (time 1787449849.62 total 20.02 last 93.37)
 - open/close 2774 (time 1787449859.62 total 30.02 last 92.48)
 - open/close 3649 (time 1787449869.63 total 40.02 last 87.47)
 - open/close 4588 (time 1787449879.64 total 50.03 last 93.78)
 - open/close 5494 (time 1787449889.65 total 60.04 last 90.55)
 - open/close 6451 (time 1787449899.65 total 70.05 last 95.63)
 - open/close 7381 (time 1787449909.66 total 80.05 last 92.95)
total: 8000 open/close in 86.73 seconds: 92.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 129 seconds
lru_size = 400
400
 - unlinked 0 (time 1787450055 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 895 (time 1787450154.11 total 10.01 last 89.45)
 - open/close 1794 (time 1787450164.11 total 20.01 last 89.86)
 - open/close 2722 (time 1787450174.11 total 30.01 last 92.79)
 - open/close 3693 (time 1787450184.12 total 40.02 last 97.05)
 - open/close 4587 (time 1787450194.12 total 50.02 last 89.36)
 - open/close 5533 (time 1787450204.13 total 60.03 last 94.55)
 - open/close 6477 (time 1787450214.13 total 70.03 last 94.38)
 - open/close 7368 (time 1787450224.14 total 80.03 last 89.03)
total: 8000 open/close in 86.63 seconds: 92.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 69 seconds
lru_size = 4006
4001
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787450318 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second