== sanity test 124b: lru resize (performance test) ================================================================================= 10:11:59 (1787580719)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 632 (time 1787580735.39 total 10.01 last 63.11)
 - open/close 1211 (time 1787580745.40 total 20.02 last 57.87)
 - open/close 1787 (time 1787580755.41 total 30.03 last 57.54)
 - open/close 2359 (time 1787580765.42 total 40.05 last 57.10)
 - open/close 2969 (time 1787580775.43 total 50.06 last 60.95)
 - open/close 3642 (time 1787580785.44 total 60.06 last 67.27)
 - open/close 4294 (time 1787580795.45 total 70.07 last 65.11)
 - open/close 4924 (time 1787580805.45 total 80.08 last 62.99)
 - open/close 5564 (time 1787580815.46 total 90.09 last 63.94)
 - open/close 6182 (time 1787580825.48 total 100.11 last 61.68)
 - open/close 6855 (time 1787580835.52 total 110.14 last 67.08)
 - open/close 7517 (time 1787580845.52 total 120.14 last 66.19)
total: 8000 open/close in 126.92 seconds: 63.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 193 seconds
lru_size = 400
 - unlinked 0 (time 1787581056 ; total 0 ; last 0)
total: 8000 unlinks in 139 seconds: 57.553955 unlinks/second
 - open/close 510 (time 1787581211.10 total 10.01 last 50.96)
 - open/close 887 (time 1787581221.12 total 20.02 last 37.64)
 - open/close 1404 (time 1787581231.13 total 30.03 last 51.65)
 - open/close 1995 (time 1787581241.18 total 40.08 last 58.80)
 - open/close 2505 (time 1787581251.19 total 50.10 last 50.93)
 - open/close 3126 (time 1787581261.20 total 60.11 last 62.05)
 - open/close 3776 (time 1787581271.22 total 70.13 last 64.85)
 - open/close 4312 (time 1787581281.24 total 80.15 last 53.48)
 - open/close 4791 (time 1787581291.27 total 90.18 last 47.78)
 - open/close 5231 (time 1787581301.27 total 100.18 last 43.99)
 - open/close 5789 (time 1787581311.28 total 110.18 last 55.78)
 - open/close 6392 (time 1787581321.28 total 120.19 last 60.26)
 - open/close 6983 (time 1787581331.31 total 130.22 last 58.94)
 - open/close 7579 (time 1787581341.31 total 140.22 last 59.57)
total: 8000 open/close in 147.44 seconds: 54.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1787581475 ; total 0 ; last 0)
total: 8000 unlinks in 80 seconds: 100.000000 unlinks/second