== sanity test 124b: lru resize (performance test) ================================================================================= 17:51:27 (1786571487)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 1871 (time 1786571499.65 total 10.00 last 187.10)
 - open/close 3241 (time 1786571509.65 total 20.01 last 136.93)
 - open/close 4594 (time 1786571519.66 total 30.01 last 135.25)
 - open/close 5847 (time 1786571529.66 total 40.01 last 125.27)
 - open/close 7187 (time 1786571539.66 total 50.01 last 133.95)
total: 8000 open/close in 56.12 seconds: 142.55 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 400
 - unlinked 0 (time 1786571649 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
 - open/close 1904 (time 1786571692.68 total 10.00 last 190.31)
 - open/close 4338 (time 1786571702.68 total 20.00 last 243.39)
 - open/close 6184 (time 1786571712.68 total 30.01 last 184.57)
total: 8000 open/close in 39.27 seconds: 203.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 41 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1786571772 ; total 0 ; last 0)
total: 8000 unlinks in 27 seconds: 296.296295 unlinks/second