== sanity test 124b: lru resize (performance test) ================================================================================= 21:28:51 (1788571731)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 523 (time 1788571747.11 total 10.00 last 52.29)
 - open/close 1018 (time 1788571757.11 total 20.01 last 49.47)
 - open/close 1667 (time 1788571767.12 total 30.01 last 64.86)
 - open/close 2334 (time 1788571777.12 total 40.02 last 66.66)
 - open/close 2943 (time 1788571787.13 total 50.02 last 60.88)
 - open/close 3495 (time 1788571797.13 total 60.03 last 55.16)
 - open/close 4048 (time 1788571807.17 total 70.07 last 55.11)
 - open/close 4706 (time 1788571817.17 total 80.07 last 65.80)
 - open/close 5251 (time 1788571827.18 total 90.08 last 54.44)
 - open/close 5877 (time 1788571837.19 total 100.09 last 62.53)
 - open/close 6465 (time 1788571847.21 total 110.10 last 58.71)
 - open/close 7035 (time 1788571857.22 total 120.12 last 56.93)
 - open/close 7610 (time 1788571867.23 total 130.13 last 57.43)
total: 8000 open/close in 136.86 seconds: 58.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 172 seconds
lru_size = 400
 - unlinked 0 (time 1788572056 ; total 0 ; last 0)
total: 8000 unlinks in 136 seconds: 58.823528 unlinks/second
 - open/close 489 (time 1788572208.19 total 10.00 last 48.90)
 - open/close 1082 (time 1788572218.19 total 20.00 last 59.30)
 - open/close 1721 (time 1788572228.20 total 30.00 last 63.89)
 - open/close 2358 (time 1788572238.20 total 40.01 last 63.65)
 - open/close 2964 (time 1788572248.21 total 50.01 last 60.57)
 - open/close 3536 (time 1788572258.22 total 60.02 last 57.16)
 - open/close 4085 (time 1788572268.22 total 70.03 last 54.87)
 - open/close 4638 (time 1788572278.24 total 80.04 last 55.22)
 - open/close 5169 (time 1788572288.25 total 90.06 last 53.01)
 - open/close 5734 (time 1788572298.26 total 100.07 last 56.45)
 - open/close 6351 (time 1788572308.27 total 110.08 last 61.63)
 - open/close 6999 (time 1788572318.27 total 120.08 last 64.79)
 - open/close 7441 (time 1788572328.30 total 130.11 last 44.09)
 - open/close 7970 (time 1788572338.31 total 140.12 last 52.85)
total: 8000 open/close in 140.59 seconds: 56.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1788572463 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second