== sanity test 124b: lru resize (performance test) ================================================================================= 04:25:17 (1788596717)
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 876 (time 1788596733.36 total 10.01 last 87.51)
 - open/close 1717 (time 1788596743.36 total 20.01 last 84.10)
 - open/close 2629 (time 1788596753.38 total 30.02 last 91.08)
 - open/close 3440 (time 1788596763.38 total 40.03 last 81.06)
 - open/close 4325 (time 1788596773.39 total 50.03 last 88.45)
 - open/close 5206 (time 1788596783.39 total 60.04 last 88.05)
 - open/close 6079 (time 1788596793.40 total 70.05 last 87.23)
 - open/close 6886 (time 1788596803.40 total 80.05 last 80.68)
 - open/close 7843 (time 1788596813.41 total 90.06 last 95.62)
total: 8000 open/close in 91.89 seconds: 87.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 141 seconds
lru_size = 400
400
 - unlinked 0 (time 1788596967 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 832 (time 1788597096.39 total 10.01 last 83.15)
 - open/close 1716 (time 1788597106.40 total 20.01 last 88.33)
 - open/close 2627 (time 1788597116.40 total 30.02 last 91.07)
 - open/close 3448 (time 1788597126.41 total 40.02 last 82.06)
 - open/close 4188 (time 1788597136.43 total 50.04 last 73.85)
 - open/close 4882 (time 1788597146.45 total 60.07 last 69.23)
 - open/close 5433 (time 1788597156.46 total 70.07 last 55.06)
 - open/close 6164 (time 1788597166.47 total 80.09 last 72.99)
 - open/close 7082 (time 1788597176.50 total 90.11 last 91.60)
 - open/close 7875 (time 1788597186.50 total 100.12 last 79.27)
total: 8000 open/close in 101.78 seconds: 78.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 4052
3955
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1788597296 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second