== sanity test 124b: lru resize (performance test) ================================================================================= 11:10:06 (1788534606)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 695 (time 1788534621.82 total 10.02 last 69.36)
 - open/close 1340 (time 1788534631.85 total 20.05 last 64.32)
 - open/close 1983 (time 1788534641.87 total 30.06 last 64.20)
 - open/close 2694 (time 1788534651.87 total 40.07 last 71.08)
 - open/close 3427 (time 1788534661.87 total 50.07 last 73.27)
 - open/close 4094 (time 1788534671.90 total 60.10 last 66.55)
 - open/close 4706 (time 1788534681.91 total 70.10 last 61.15)
 - open/close 5321 (time 1788534691.99 total 80.19 last 61.00)
 - open/close 5903 (time 1788534701.99 total 90.19 last 58.18)
 - open/close 6623 (time 1788534712.00 total 100.20 last 71.96)
 - open/close 7222 (time 1788534722.01 total 110.20 last 59.85)
 - open/close 7833 (time 1788534732.02 total 120.22 last 61.01)
total: 8000 open/close in 122.71 seconds: 65.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 183 seconds
lru_size = 400
 - unlinked 0 (time 1788534931 ; total 0 ; last 0)
total: 8000 unlinks in 134 seconds: 59.701492 unlinks/second
 - open/close 597 (time 1788535081.69 total 10.02 last 59.57)
 - open/close 1065 (time 1788535091.70 total 20.04 last 46.73)
 - open/close 1483 (time 1788535101.71 total 30.04 last 41.78)
 - open/close 1920 (time 1788535111.71 total 40.04 last 43.69)
 - open/close 2444 (time 1788535121.72 total 50.05 last 52.37)
 - open/close 3027 (time 1788535131.73 total 60.06 last 58.22)
 - open/close 3593 (time 1788535141.74 total 70.07 last 56.54)
 - open/close 4199 (time 1788535151.75 total 80.08 last 60.57)
 - open/close 4808 (time 1788535161.76 total 90.09 last 60.81)
 - open/close 5347 (time 1788535171.77 total 100.10 last 53.85)
 - open/close 5907 (time 1788535181.78 total 110.11 last 55.97)
 - open/close 6516 (time 1788535191.78 total 120.11 last 60.90)
 - open/close 7127 (time 1788535201.78 total 130.11 last 61.08)
 - open/close 7676 (time 1788535211.79 total 140.12 last 54.83)
total: 8000 open/close in 145.40 seconds: 55.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 105 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1788535348 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second