== sanity test 124b: lru resize (performance test) ================================================================================= 20:00:48 (1786838448)
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 1687 (time 1786838461.04 total 10.00 last 168.64)
 - open/close 3073 (time 1786838471.04 total 20.01 last 138.56)
 - open/close 4675 (time 1786838481.04 total 30.01 last 160.20)
 - open/close 6378 (time 1786838491.05 total 40.01 last 170.22)
total: 8000 open/close in 49.19 seconds: 162.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 400
400
 - unlinked 0 (time 1786838595 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1300 (time 1786838659.54 total 10.01 last 129.93)
 - open/close 2835 (time 1786838669.54 total 20.01 last 153.46)
 - open/close 4454 (time 1786838679.55 total 30.01 last 161.84)
 - open/close 5987 (time 1786838689.55 total 40.02 last 153.19)
 - open/close 7437 (time 1786838699.56 total 50.02 last 144.97)
total: 8000 open/close in 54.11 seconds: 147.84 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 50 seconds
lru_size = 4006
4001
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786838762 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second