== sanity test 124b: lru resize (performance test) ================================================================================= 10:58:38 (1787583518)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 719 (time 1787583533.10 total 10.00 last 71.87)
 - open/close 1541 (time 1787583543.14 total 20.04 last 81.89)
 - open/close 2339 (time 1787583553.15 total 30.05 last 79.74)
 - open/close 3093 (time 1787583563.15 total 40.06 last 75.34)
 - open/close 3916 (time 1787583573.16 total 50.06 last 82.24)
 - open/close 4787 (time 1787583583.17 total 60.08 last 86.99)
 - open/close 5580 (time 1787583593.19 total 70.09 last 79.20)
 - open/close 6349 (time 1787583603.21 total 80.11 last 76.74)
 - open/close 7211 (time 1787583613.22 total 90.12 last 86.10)
total: 8000 open/close in 99.59 seconds: 80.33 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 164 seconds
lru_size = 400
 - unlinked 0 (time 1787583797 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
 - open/close 805 (time 1787583912.51 total 10.01 last 80.42)
 - open/close 1607 (time 1787583922.53 total 20.03 last 80.06)
 - open/close 2401 (time 1787583932.53 total 30.03 last 79.37)
 - open/close 3274 (time 1787583942.53 total 40.03 last 87.28)
 - open/close 4096 (time 1787583952.54 total 50.04 last 82.16)
 - open/close 4956 (time 1787583962.55 total 60.05 last 85.89)
 - open/close 5799 (time 1787583972.57 total 70.07 last 84.16)
 - open/close 6632 (time 1787583982.58 total 80.08 last 83.22)
 - open/close 7483 (time 1787583992.58 total 90.08 last 85.07)
total: 8000 open/close in 96.29 seconds: 83.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 70 seconds
lru_size = 8005
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1787584087 ; total 1 ; last 1)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second