== sanity test 124b: lru resize (performance test) ================================================================================= 21:22:06 (1753752126)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2548 (time 1753752139.44 total 10.00 last 254.77)
 - open/close 6656 (time 1753752149.44 total 20.00 last 410.75)
total: 8000 open/close in 23.28 seconds: 343.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1753752232 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2795 (time 1753752258.92 total 10.00 last 279.45)
 - open/close 5392 (time 1753752268.93 total 20.00 last 259.63)
total: 8000 open/close in 29.45 seconds: 271.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 4006
4001
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1753752326 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second