== sanity test 124b: lru resize (performance test) ================================================================================= 10:51:47 (1788533507)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 826 (time 1788533521.67 total 10.01 last 82.51)
 - open/close 1576 (time 1788533531.67 total 20.01 last 74.99)
 - open/close 2255 (time 1788533541.69 total 30.03 last 67.76)
 - open/close 2905 (time 1788533551.70 total 40.04 last 64.97)
 - open/close 3651 (time 1788533561.70 total 50.04 last 74.58)
 - open/close 4329 (time 1788533571.70 total 60.04 last 67.79)
 - open/close 4975 (time 1788533581.71 total 70.05 last 64.55)
 - open/close 5744 (time 1788533591.71 total 80.05 last 76.90)
 - open/close 6503 (time 1788533601.72 total 90.06 last 75.84)
 - open/close 7285 (time 1788533611.72 total 100.06 last 78.16)
total: 8000 open/close in 108.75 seconds: 73.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 171 seconds
lru_size = 400
 - unlinked 0 (time 1788533802 ; total 1 ; last 1)
total: 8000 unlinks in 107 seconds: 74.766357 unlinks/second
 - open/close 730 (time 1788533923.55 total 10.00 last 72.96)
 - open/close 1432 (time 1788533933.55 total 20.01 last 70.20)
 - open/close 2177 (time 1788533943.56 total 30.01 last 74.43)
 - open/close 2823 (time 1788533953.58 total 40.03 last 64.50)
 - open/close 3432 (time 1788533963.58 total 50.03 last 60.90)
 - open/close 4036 (time 1788533973.59 total 60.04 last 60.33)
 - open/close 4696 (time 1788533983.59 total 70.05 last 65.96)
 - open/close 5437 (time 1788533993.59 total 80.05 last 74.09)
 - open/close 6036 (time 1788534003.60 total 90.06 last 59.84)
 - open/close 6769 (time 1788534013.61 total 100.06 last 73.28)
 - open/close 7565 (time 1788534023.61 total 110.07 last 79.56)
total: 8000 open/close in 115.21 seconds: 69.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1788534158 ; total 0 ; last 0)
total: 8000 unlinks in 79 seconds: 101.265823 unlinks/second