== sanity test 124b: lru resize (performance test) ================================================================================= 04:00:42 (1788940842)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 691 (time 1788940857.16 total 10.01 last 69.05)
 - open/close 1400 (time 1788940867.17 total 20.02 last 70.82)
 - open/close 2089 (time 1788940877.17 total 30.02 last 68.89)
 - open/close 2693 (time 1788940887.17 total 40.02 last 60.39)
 - open/close 3455 (time 1788940897.19 total 50.03 last 76.12)
 - open/close 4168 (time 1788940907.20 total 60.05 last 71.21)
 - open/close 4817 (time 1788940917.20 total 70.05 last 64.87)
 - open/close 5470 (time 1788940927.20 total 80.05 last 65.29)
 - open/close 6062 (time 1788940937.23 total 90.08 last 59.04)
 - open/close 6815 (time 1788940947.25 total 100.10 last 75.14)
 - open/close 7448 (time 1788940957.26 total 110.11 last 63.21)
total: 8000 open/close in 119.02 seconds: 67.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 180 seconds
lru_size = 400
400
 - unlinked 0 (time 1788941159 ; total 0 ; last 0)
total: 8000 unlinks in 96 seconds: 83.333336 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 713 (time 1788941271.13 total 10.01 last 71.26)
 - open/close 1315 (time 1788941281.15 total 20.03 last 60.06)
 - open/close 1920 (time 1788941291.18 total 30.06 last 60.31)
 - open/close 2556 (time 1788941301.19 total 40.07 last 63.56)
 - open/close 3332 (time 1788941311.21 total 50.08 last 77.48)
 - open/close 3934 (time 1788941321.22 total 60.09 last 60.13)
 - open/close 4484 (time 1788941331.22 total 70.09 last 55.00)
 - open/close 5242 (time 1788941341.22 total 80.10 last 75.79)
 - open/close 6060 (time 1788941351.23 total 90.10 last 81.74)
 - open/close 6857 (time 1788941361.26 total 100.14 last 79.42)
 - open/close 7604 (time 1788941371.27 total 110.14 last 74.66)
total: 8000 open/close in 115.58 seconds: 69.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 111 seconds
lru_size = 4006
4001
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1788941509 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second