== sanity test 124b: lru resize (performance test) ================================================================================= 09:22:05 (1788787325)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 817 (time 1788787340.68 total 10.00 last 81.70)
 - open/close 1495 (time 1788787350.69 total 20.01 last 67.72)
 - open/close 2081 (time 1788787360.69 total 30.02 last 58.58)
 - open/close 2732 (time 1788787370.70 total 40.02 last 65.08)
 - open/close 3305 (time 1788787380.71 total 50.03 last 57.24)
 - open/close 4022 (time 1788787390.72 total 60.04 last 71.63)
 - open/close 4847 (time 1788787400.72 total 70.04 last 82.50)
 - open/close 5560 (time 1788787410.72 total 80.04 last 71.26)
 - open/close 6383 (time 1788787420.72 total 90.05 last 82.27)
 - open/close 7251 (time 1788787430.73 total 100.06 last 86.71)
total: 8000 open/close in 108.72 seconds: 73.59 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
400
 - unlinked 0 (time 1788787608 ; total 1 ; last 1)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 746 (time 1788787723.30 total 10.00 last 74.56)
 - open/close 1449 (time 1788787733.31 total 20.01 last 70.24)
 - open/close 2300 (time 1788787743.32 total 30.02 last 85.06)
 - open/close 3121 (time 1788787753.33 total 40.03 last 81.98)
 - open/close 3924 (time 1788787763.35 total 50.05 last 80.14)
 - open/close 4726 (time 1788787773.36 total 60.06 last 80.16)
 - open/close 5521 (time 1788787783.36 total 70.07 last 79.44)
 - open/close 6332 (time 1788787793.37 total 80.07 last 81.08)
 - open/close 7148 (time 1788787803.37 total 90.07 last 81.59)
 - open/close 7995 (time 1788787813.38 total 100.08 last 84.62)
total: 8000 open/close in 100.11 seconds: 79.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 4006
4001
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788787925 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second