== sanity test 124b: lru resize (performance test) ================================================================================= 20:09:15 (1787875755)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 716 (time 1787875770.58 total 10.01 last 71.56)
 - open/close 1532 (time 1787875780.58 total 20.01 last 81.60)
 - open/close 2335 (time 1787875790.59 total 30.01 last 80.25)
 - open/close 3062 (time 1787875800.60 total 40.02 last 72.64)
 - open/close 3901 (time 1787875810.60 total 50.03 last 83.85)
 - open/close 4803 (time 1787875820.61 total 60.03 last 90.16)
 - open/close 5638 (time 1787875830.61 total 70.03 last 83.50)
 - open/close 6483 (time 1787875840.62 total 80.04 last 84.42)
 - open/close 7471 (time 1787875850.62 total 90.05 last 98.75)
total: 8000 open/close in 95.46 seconds: 83.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 194 seconds
lru_size = 400
 - unlinked 0 (time 1787876059 ; total 0 ; last 0)
total: 8000 unlinks in 115 seconds: 69.565216 unlinks/second
 - open/close 765 (time 1787876190.84 total 10.01 last 76.42)
 - open/close 1544 (time 1787876200.85 total 20.02 last 77.85)
 - open/close 2299 (time 1787876210.85 total 30.02 last 75.46)
 - open/close 3171 (time 1787876220.88 total 40.05 last 86.96)
 - open/close 3939 (time 1787876230.88 total 50.05 last 76.79)
 - open/close 4772 (time 1787876240.89 total 60.05 last 83.27)
 - open/close 5588 (time 1787876250.89 total 70.06 last 81.57)
 - open/close 6413 (time 1787876260.89 total 80.06 last 82.50)
 - open/close 7282 (time 1787876270.89 total 90.06 last 86.85)
total: 8000 open/close in 98.41 seconds: 81.29 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 8006
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1787876400 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second