== sanity test 124b: lru resize (performance test) ================================================================================= 05:00:53 (1779699653)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 599 (time 1779699669.51 total 10.00 last 59.89)
 - open/close 1143 (time 1779699679.51 total 20.01 last 54.35)
 - open/close 1668 (time 1779699689.55 total 30.05 last 52.30)
 - open/close 2142 (time 1779699699.57 total 40.06 last 47.33)
 - open/close 2708 (time 1779699709.58 total 50.08 last 56.52)
 - open/close 3337 (time 1779699719.58 total 60.08 last 62.89)
 - open/close 3889 (time 1779699729.60 total 70.09 last 55.14)
 - open/close 4403 (time 1779699739.60 total 80.09 last 51.39)
 - open/close 4986 (time 1779699749.60 total 90.10 last 58.27)
 - open/close 5542 (time 1779699759.62 total 100.11 last 55.52)
 - open/close 6093 (time 1779699769.62 total 110.12 last 55.07)
 - open/close 6670 (time 1779699779.63 total 120.13 last 57.64)
 - open/close 7214 (time 1779699789.64 total 130.14 last 54.33)
 - open/close 7769 (time 1779699799.65 total 140.14 last 55.47)
total: 8000 open/close in 143.81 seconds: 55.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 207 seconds
lru_size = 400
 - unlinked 0 (time 1779700024 ; total 0 ; last 0)
total: 8000 unlinks in 141 seconds: 56.737587 unlinks/second
 - open/close 497 (time 1779700182.55 total 10.02 last 49.62)
 - open/close 954 (time 1779700192.56 total 20.03 last 45.66)
 - open/close 1446 (time 1779700202.57 total 30.03 last 49.18)
 - open/close 2002 (time 1779700212.58 total 40.04 last 55.54)
 - open/close 2763 (time 1779700222.58 total 50.04 last 76.06)
 - open/close 3496 (time 1779700232.59 total 60.05 last 73.23)
 - open/close 4218 (time 1779700242.60 total 70.06 last 72.14)
 - open/close 4862 (time 1779700252.60 total 80.07 last 64.39)
 - open/close 5535 (time 1779700262.61 total 90.07 last 67.27)
 - open/close 6217 (time 1779700272.61 total 100.07 last 68.19)
 - open/close 6911 (time 1779700282.62 total 110.08 last 69.33)
 - open/close 7519 (time 1779700292.62 total 120.09 last 60.76)
total: 8000 open/close in 128.30 seconds: 62.35 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 127 seconds
lru_size = 8005
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1779700461 ; total 0 ; last 0)
total: 8000 unlinks in 100 seconds: 80.000000 unlinks/second