== sanity test 124b: lru resize (performance test) ================================================================================= 22:07:02 (1784945222)
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 3110 (time 1784945234.50 total 10.00 last 310.91)
 - open/close 5324 (time 1784945244.51 total 20.01 last 221.32)
total: 8000 open/close in 29.98 seconds: 266.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 400
400
 - unlinked 0 (time 1784945342 ; total 0 ; last 0)
total: 8000 unlinks in 44 seconds: 181.818176 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2166 (time 1784945398.08 total 10.00 last 216.52)
 - open/close 4071 (time 1784945408.08 total 20.01 last 190.43)
 - open/close 5975 (time 1784945418.08 total 30.01 last 190.39)
 - open/close 7920 (time 1784945428.09 total 40.01 last 194.46)
total: 8000 open/close in 40.37 seconds: 198.17 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4006
4001
ls -la is 34% faster with lru resize enabled
 - unlinked 0 (time 1784945491 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second