== sanity test 124b: lru resize (performance test) ================================================================================= 14:50:00 (1738957800)
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 2488 (time 1738957812.56 total 10.00 last 248.74)
 - open/close 4886 (time 1738957822.57 total 20.00 last 239.78)
 - open/close 7371 (time 1738957832.57 total 30.00 last 248.47)
total: 8000 open/close in 31.64 seconds: 252.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1738957905 ; 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 3163 (time 1738957931.71 total 10.00 last 316.24)
 - open/close 6134 (time 1738957941.71 total 20.00 last 297.07)
total: 8000 open/close in 27.24 seconds: 293.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4006
4001
ls -la is 85% faster with lru resize enabled
 - unlinked 0 (time 1738957964 ; total 0 ; last 0)
total: 8000 unlinks in 17 seconds: 470.588226 unlinks/second