== sanity test 124b: lru resize (performance test) ================================================================================= 00:28:38 (1788928118)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 630 (time 1788928135.11 total 10.02 last 62.91)
 - open/close 1308 (time 1788928145.12 total 20.02 last 67.79)
 - open/close 1907 (time 1788928155.12 total 30.03 last 59.84)
 - open/close 2668 (time 1788928165.13 total 40.03 last 76.08)
 - open/close 3436 (time 1788928175.14 total 50.04 last 76.69)
 - open/close 4058 (time 1788928185.15 total 60.05 last 62.15)
 - open/close 4797 (time 1788928195.16 total 70.06 last 73.80)
 - open/close 5449 (time 1788928205.18 total 80.08 last 65.11)
 - open/close 6140 (time 1788928215.18 total 90.08 last 69.07)
 - open/close 6794 (time 1788928225.20 total 100.10 last 65.31)
 - open/close 7530 (time 1788928235.20 total 110.10 last 73.59)
total: 8000 open/close in 116.69 seconds: 68.56 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 206 seconds
lru_size = 400
 - unlinked 0 (time 1788928458 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 583 (time 1788928590.53 total 10.01 last 58.24)
 - open/close 1278 (time 1788928600.54 total 20.02 last 69.45)
 - open/close 1976 (time 1788928610.56 total 30.04 last 69.68)
 - open/close 2763 (time 1788928620.58 total 40.06 last 78.54)
 - open/close 3473 (time 1788928630.58 total 50.06 last 70.95)
 - open/close 4240 (time 1788928640.59 total 60.07 last 76.62)
 - open/close 5011 (time 1788928650.60 total 70.08 last 77.05)
 - open/close 5835 (time 1788928660.61 total 80.09 last 82.36)
 - open/close 6577 (time 1788928670.61 total 90.09 last 74.19)
 - open/close 7340 (time 1788928680.62 total 100.10 last 76.21)
total: 8000 open/close in 109.02 seconds: 73.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1788928809 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second