== sanity test 124b: lru resize (performance test) ================================================================================= 08:41:39 (1789389699)
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 894 (time 1789389714.10 total 10.01 last 89.33)
 - open/close 1818 (time 1789389724.11 total 20.01 last 92.37)
 - open/close 2705 (time 1789389734.11 total 30.01 last 88.69)
 - open/close 3587 (time 1789389744.11 total 40.01 last 88.18)
 - open/close 4432 (time 1789389754.11 total 50.02 last 84.49)
 - open/close 5194 (time 1789389764.11 total 60.02 last 76.19)
 - open/close 6045 (time 1789389774.12 total 70.02 last 85.07)
 - open/close 6832 (time 1789389784.12 total 80.03 last 78.65)
 - open/close 7781 (time 1789389794.14 total 90.04 last 94.77)
total: 8000 open/close in 92.45 seconds: 86.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
400
 - unlinked 0 (time 1789389972 ; total 0 ; last 0)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 856 (time 1789390094.31 total 10.00 last 85.58)
 - open/close 1781 (time 1789390104.31 total 20.00 last 92.49)
 - open/close 2600 (time 1789390114.32 total 30.01 last 81.86)
 - open/close 3369 (time 1789390124.33 total 40.02 last 76.80)
 - open/close 4218 (time 1789390134.33 total 50.02 last 84.89)
 - open/close 5038 (time 1789390144.34 total 60.03 last 81.94)
 - open/close 5781 (time 1789390154.37 total 70.06 last 74.11)
 - open/close 6443 (time 1789390164.38 total 80.07 last 66.13)
 - open/close 7118 (time 1789390174.38 total 90.07 last 67.46)
 - open/close 7782 (time 1789390184.39 total 100.07 last 66.38)
total: 8000 open/close in 103.08 seconds: 77.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 4006
4001
ls -la is 47% faster with lru resize enabled
 - unlinked 0 (time 1789390292 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second