== sanity test 124b: lru resize (performance test) ================================================================================= 21:53:16 (1786758796)
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 1001 (time 1786758810.95 total 10.01 last 100.04)
 - open/close 1889 (time 1786758820.96 total 20.01 last 88.74)
 - open/close 2783 (time 1786758830.96 total 30.02 last 89.34)
 - open/close 3820 (time 1786758840.97 total 40.03 last 103.63)
 - open/close 4735 (time 1786758850.98 total 50.03 last 91.42)
 - open/close 5660 (time 1786758860.99 total 60.04 last 92.45)
 - open/close 6602 (time 1786758870.99 total 70.05 last 94.15)
 - open/close 7540 (time 1786758881.01 total 80.06 last 93.62)
total: 8000 open/close in 84.48 seconds: 94.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 146 seconds
lru_size = 400
400
 - unlinked 0 (time 1786759040 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 774 (time 1786759144.14 total 10.01 last 77.36)
 - open/close 1694 (time 1786759154.14 total 20.01 last 91.99)
 - open/close 2591 (time 1786759164.14 total 30.01 last 89.64)
 - open/close 3490 (time 1786759174.16 total 40.03 last 89.80)
 - open/close 4474 (time 1786759184.16 total 50.03 last 98.35)
 - open/close 5329 (time 1786759194.17 total 60.04 last 85.45)
 - open/close 6231 (time 1786759204.17 total 70.04 last 90.19)
 - open/close 7164 (time 1786759214.18 total 80.05 last 93.16)
total: 8000 open/close in 89.79 seconds: 89.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4006
4001
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1786759329 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second