== sanity test 124b: lru resize (performance test) ================================================================================= 09:47:08 (1786196828)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2331 (time 1786196840.25 total 10.00 last 233.07)
 - open/close 4697 (time 1786196850.25 total 20.00 last 236.54)
 - open/close 7072 (time 1786196860.25 total 30.00 last 237.47)
total: 8000 open/close in 33.92 seconds: 235.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 109 seconds
lru_size = 400
400
 - unlinked 0 (time 1786196978 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2227 (time 1786197023.77 total 10.00 last 222.65)
 - open/close 4436 (time 1786197033.77 total 20.00 last 220.89)
 - open/close 6658 (time 1786197043.77 total 30.00 last 222.19)
total: 8000 open/close in 36.01 seconds: 222.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4006
4001
ls -la is 21% faster with lru resize enabled
 - unlinked 0 (time 1786197148 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second