== sanity test 124b: lru resize (performance test) ================================================================================= 20:32:57 (1787790777)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 872 (time 1787790790.67 total 10.00 last 87.16)
 - open/close 1742 (time 1787790800.67 total 20.01 last 86.99)
 - open/close 2638 (time 1787790810.68 total 30.02 last 89.50)
 - open/close 3536 (time 1787790820.69 total 40.03 last 89.72)
 - open/close 4444 (time 1787790830.69 total 50.03 last 90.79)
 - open/close 5316 (time 1787790840.70 total 60.03 last 87.19)
 - open/close 6190 (time 1787790850.71 total 70.04 last 87.29)
 - open/close 7050 (time 1787790860.71 total 80.04 last 85.98)
 - open/close 7866 (time 1787790870.72 total 90.05 last 81.53)
total: 8000 open/close in 91.75 seconds: 87.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 133 seconds
lru_size = 400
 - unlinked 0 (time 1787791013 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second
 - open/close 908 (time 1787791117.59 total 10.01 last 90.74)
 - open/close 1622 (time 1787791127.59 total 20.01 last 71.39)
 - open/close 2386 (time 1787791137.60 total 30.01 last 76.39)
 - open/close 3184 (time 1787791147.60 total 40.01 last 79.78)
 - open/close 3954 (time 1787791157.60 total 50.01 last 76.99)
 - open/close 4768 (time 1787791167.61 total 60.02 last 81.35)
 - open/close 5562 (time 1787791177.61 total 70.02 last 79.35)
 - open/close 6290 (time 1787791187.62 total 80.03 last 72.77)
 - open/close 7015 (time 1787791197.64 total 90.05 last 72.31)
 - open/close 7867 (time 1787791207.65 total 100.06 last 85.13)
total: 8000 open/close in 101.56 seconds: 78.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1787791303 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second