== sanity test 124b: lru resize (performance test) ================================================================================= 20:35:37 (1787790937)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 876 (time 1787790950.66 total 10.00 last 87.58)
 - open/close 1774 (time 1787790960.67 total 20.01 last 89.69)
 - open/close 2652 (time 1787790970.68 total 30.02 last 87.76)
 - open/close 3517 (time 1787790980.69 total 40.03 last 86.43)
 - open/close 4367 (time 1787790990.69 total 50.03 last 84.98)
 - open/close 5239 (time 1787791000.70 total 60.04 last 87.10)
 - open/close 6108 (time 1787791010.71 total 70.05 last 86.83)
 - open/close 6911 (time 1787791020.71 total 80.05 last 80.30)
 - open/close 7741 (time 1787791030.71 total 90.05 last 82.99)
total: 8000 open/close in 93.27 seconds: 85.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 131 seconds
lru_size = 400
 - unlinked 0 (time 1787791173 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second
 - open/close 858 (time 1787791268.51 total 10.01 last 85.70)
 - open/close 1690 (time 1787791278.53 total 20.03 last 83.03)
 - open/close 2507 (time 1787791288.54 total 30.04 last 81.65)
 - open/close 3353 (time 1787791298.54 total 40.04 last 84.58)
 - open/close 4158 (time 1787791308.55 total 50.05 last 80.42)
 - open/close 4981 (time 1787791318.55 total 60.05 last 82.29)
 - open/close 5781 (time 1787791328.55 total 70.05 last 79.99)
 - open/close 6655 (time 1787791338.55 total 80.05 last 87.40)
 - open/close 7540 (time 1787791348.56 total 90.06 last 88.44)
total: 8000 open/close in 95.57 seconds: 83.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1787791436 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second