== sanity test 124b: lru resize (performance test) ================================================================================= 08:03:20 (1788523400)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 668 (time 1788523415.19 total 10.02 last 66.66)
 - open/close 1372 (time 1788523425.20 total 20.03 last 70.36)
 - open/close 2036 (time 1788523435.20 total 30.03 last 66.39)
 - open/close 2786 (time 1788523445.20 total 40.03 last 74.99)
 - open/close 3488 (time 1788523455.21 total 50.04 last 70.15)
 - open/close 4227 (time 1788523465.21 total 60.04 last 73.89)
 - open/close 4945 (time 1788523475.22 total 70.05 last 71.73)
 - open/close 5617 (time 1788523485.23 total 80.05 last 67.16)
 - open/close 6177 (time 1788523495.23 total 90.05 last 55.99)
 - open/close 6896 (time 1788523505.23 total 100.06 last 71.90)
 - open/close 7612 (time 1788523515.23 total 110.06 last 71.54)
total: 8000 open/close in 115.78 seconds: 69.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1788523704 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 740 (time 1788523832.59 total 10.01 last 73.92)
 - open/close 1480 (time 1788523842.59 total 20.01 last 73.98)
 - open/close 2116 (time 1788523852.60 total 30.02 last 63.56)
 - open/close 2745 (time 1788523862.61 total 40.03 last 62.84)
 - open/close 3347 (time 1788523872.62 total 50.04 last 60.14)
 - open/close 4000 (time 1788523882.64 total 60.06 last 65.18)
 - open/close 4664 (time 1788523892.64 total 70.06 last 66.36)
 - open/close 5317 (time 1788523902.66 total 80.08 last 65.19)
 - open/close 5897 (time 1788523912.67 total 90.10 last 57.91)
 - open/close 6507 (time 1788523922.68 total 100.10 last 60.97)
 - open/close 7091 (time 1788523932.69 total 110.12 last 58.31)
 - open/close 7654 (time 1788523942.70 total 120.12 last 56.26)
total: 8000 open/close in 126.20 seconds: 63.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 8005
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788524075 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second