== sanity test 124b: lru resize (performance test) ================================================================================= 15:39:50 (1784057990)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 478 (time 1784058006.25 total 10.02 last 47.71)
 - open/close 985 (time 1784058016.26 total 20.03 last 50.66)
 - open/close 1494 (time 1784058026.26 total 30.03 last 50.89)
 - open/close 1978 (time 1784058036.27 total 40.04 last 48.34)
 - open/close 2365 (time 1784058046.27 total 50.04 last 38.69)
 - open/close 2797 (time 1784058056.30 total 60.07 last 43.09)
 - open/close 3283 (time 1784058066.31 total 70.08 last 48.53)
 - open/close 3770 (time 1784058076.32 total 80.09 last 48.67)
 - open/close 4395 (time 1784058086.33 total 90.10 last 62.41)
 - open/close 4989 (time 1784058096.36 total 100.13 last 59.26)
 - open/close 5541 (time 1784058106.36 total 110.13 last 55.19)
 - open/close 6051 (time 1784058116.38 total 120.15 last 50.92)
 - open/close 6583 (time 1784058126.38 total 130.15 last 53.16)
 - open/close 7094 (time 1784058136.39 total 140.16 last 51.08)
 - open/close 7604 (time 1784058146.39 total 150.16 last 50.98)
total: 8000 open/close in 157.52 seconds: 50.79 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 181 seconds
lru_size = 400
 - unlinked 0 (time 1784058345 ; total 0 ; last 0)
total: 8000 unlinks in 154 seconds: 51.948051 unlinks/second
 - open/close 515 (time 1784058516.58 total 10.02 last 51.42)
 - open/close 1063 (time 1784058526.59 total 20.02 last 54.78)
 - open/close 1575 (time 1784058536.59 total 30.03 last 51.16)
 - open/close 2122 (time 1784058546.60 total 40.03 last 54.68)
 - open/close 2650 (time 1784058556.61 total 50.05 last 52.74)
 - open/close 3174 (time 1784058566.61 total 60.05 last 52.38)
 - open/close 3678 (time 1784058576.64 total 70.07 last 50.27)
 - open/close 4137 (time 1784058586.69 total 80.13 last 45.66)
 - open/close 4583 (time 1784058596.70 total 90.13 last 44.57)
 - open/close 5119 (time 1784058606.70 total 100.14 last 53.58)
 - open/close 5642 (time 1784058616.71 total 110.14 last 52.29)
 - open/close 6171 (time 1784058626.73 total 120.16 last 52.80)
 - open/close 6721 (time 1784058636.73 total 130.17 last 54.95)
 - open/close 7306 (time 1784058646.74 total 140.17 last 58.47)
 - open/close 7857 (time 1784058656.76 total 150.19 last 55.01)
total: 8000 open/close in 152.66 seconds: 52.41 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 44% faster with lru resize enabled
 - unlinked 0 (time 1784058785 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second