== sanity test 124b: lru resize (performance test) ================================================================================= 16:45:07 (1780346707)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 925 (time 1780346720.95 total 10.00 last 92.49)
 - open/close 1753 (time 1780346730.96 total 20.01 last 82.72)
 - open/close 2566 (time 1780346740.96 total 30.02 last 81.24)
 - open/close 3331 (time 1780346750.97 total 40.02 last 76.49)
 - open/close 4220 (time 1780346760.97 total 50.03 last 88.85)
 - open/close 5085 (time 1780346770.98 total 60.03 last 86.43)
 - open/close 5958 (time 1780346780.99 total 70.04 last 87.25)
 - open/close 6750 (time 1780346790.99 total 80.04 last 79.17)
 - open/close 7642 (time 1780346800.99 total 90.05 last 89.17)
total: 8000 open/close in 94.16 seconds: 84.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 147 seconds
lru_size = 400
 - unlinked 0 (time 1780346960 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
 - open/close 939 (time 1780347069.67 total 10.00 last 93.86)
 - open/close 1928 (time 1780347079.68 total 20.01 last 98.87)
 - open/close 2825 (time 1780347089.68 total 30.01 last 89.65)
 - open/close 3794 (time 1780347099.69 total 40.02 last 96.81)
 - open/close 4350 (time 1780347109.70 total 50.03 last 55.57)
 - open/close 4873 (time 1780347119.71 total 60.04 last 52.23)
 - open/close 5848 (time 1780347129.71 total 70.04 last 97.48)
 - open/close 6816 (time 1780347139.72 total 80.05 last 96.71)
 - open/close 7874 (time 1780347149.73 total 90.06 last 105.75)
total: 8000 open/close in 91.36 seconds: 87.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 53 seconds
lru_size = 8005
ls -la is 63% faster with lru resize enabled
 - unlinked 0 (time 1780347218 ; total 0 ; last 0)
total: 8000 unlinks in 47 seconds: 170.212769 unlinks/second