== sanity test 124b: lru resize (performance test) ================================================================================= 16:52:13 (1782766333)
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 1433 (time 1782766345.19 total 10.00 last 143.27)
 - open/close 2886 (time 1782766355.19 total 20.00 last 145.26)
 - open/close 4394 (time 1782766365.20 total 30.01 last 150.75)
 - open/close 5787 (time 1782766375.20 total 40.01 last 139.23)
 - open/close 7218 (time 1782766385.21 total 50.02 last 143.05)
total: 8000 open/close in 55.35 seconds: 144.53 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 1782766481 ; total 0 ; last 0)
total: 8000 unlinks in 35 seconds: 228.571426 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1999 (time 1782766528.11 total 10.00 last 199.89)
 - open/close 3666 (time 1782766538.12 total 20.01 last 166.61)
 - open/close 5416 (time 1782766548.12 total 30.01 last 174.96)
 - open/close 7338 (time 1782766558.12 total 40.01 last 192.17)
total: 8000 open/close in 42.86 seconds: 186.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4052
3955
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1782766623 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second