== sanity test 124b: lru resize (performance test) ================================================================================= 23:57:54 (1781236674)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 3065 (time 1781236687.14 total 10.00 last 306.45)
 - open/close 5190 (time 1781236697.15 total 20.01 last 212.40)
 - open/close 6695 (time 1781236707.15 total 30.01 last 150.46)
total: 8000 open/close in 36.16 seconds: 221.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 400
400
 - unlinked 0 (time 1781236803 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1692 (time 1781236847.26 total 10.00 last 169.14)
 - open/close 3492 (time 1781236857.26 total 20.01 last 179.95)
 - open/close 5301 (time 1781236867.26 total 30.01 last 180.87)
 - open/close 7269 (time 1781236877.26 total 40.01 last 196.76)
total: 8000 open/close in 42.61 seconds: 187.73 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 56 seconds
lru_size = 4006
4001
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1781236945 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second