== sanity test 124b: lru resize (performance test) ================================================================================= 08:16:40 (1779106600)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 562 (time 1779106614.38 total 10.01 last 56.15)
 - open/close 1243 (time 1779106624.39 total 20.02 last 68.01)
 - open/close 1972 (time 1779106634.40 total 30.03 last 72.86)
 - open/close 2597 (time 1779106644.42 total 40.05 last 62.37)
 - open/close 3283 (time 1779106654.42 total 50.05 last 68.58)
 - open/close 4055 (time 1779106664.47 total 60.10 last 76.83)
 - open/close 4782 (time 1779106674.48 total 70.11 last 72.59)
 - open/close 5568 (time 1779106684.50 total 80.13 last 78.49)
 - open/close 6117 (time 1779106694.50 total 90.13 last 54.87)
 - open/close 6525 (time 1779106704.54 total 100.17 last 40.63)
 - open/close 7189 (time 1779106714.54 total 110.17 last 66.39)
 - open/close 7718 (time 1779106724.56 total 120.19 last 52.82)
total: 8000 open/close in 127.16 seconds: 62.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 168 seconds
lru_size = 400
 - unlinked 0 (time 1779106910 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
 - open/close 589 (time 1779107053.18 total 10.00 last 58.88)
 - open/close 1189 (time 1779107063.19 total 20.01 last 59.95)
 - open/close 1936 (time 1779107073.19 total 30.01 last 74.69)
 - open/close 2641 (time 1779107083.19 total 40.01 last 70.49)
 - open/close 3265 (time 1779107093.20 total 50.02 last 62.34)
 - open/close 3873 (time 1779107103.21 total 60.03 last 60.73)
 - open/close 4541 (time 1779107113.23 total 70.05 last 66.69)
 - open/close 5202 (time 1779107123.24 total 80.07 last 66.00)
 - open/close 5788 (time 1779107133.24 total 90.07 last 58.59)
 - open/close 6446 (time 1779107143.26 total 100.08 last 65.69)
 - open/close 7184 (time 1779107153.27 total 110.09 last 73.76)
 - open/close 7897 (time 1779107163.28 total 120.11 last 71.19)
total: 8000 open/close in 122.26 seconds: 65.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8005
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1779107290 ; total 1 ; last 1)
total: 8000 unlinks in 83 seconds: 96.385544 unlinks/second