== sanity test 124b: lru resize (performance test) ================================================================================= 04:14:46 (1787472886)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 577 (time 1787472901.48 total 10.00 last 57.68)
 - open/close 1314 (time 1787472911.48 total 20.01 last 73.67)
 - open/close 1986 (time 1787472921.49 total 30.01 last 67.16)
 - open/close 2571 (time 1787472931.49 total 40.02 last 58.49)
 - open/close 3245 (time 1787472941.50 total 50.02 last 67.36)
 - open/close 3889 (time 1787472951.50 total 60.03 last 64.35)
 - open/close 4524 (time 1787472961.51 total 70.03 last 63.47)
 - open/close 5087 (time 1787472971.52 total 80.05 last 56.23)
 - open/close 5778 (time 1787472981.53 total 90.05 last 69.07)
 - open/close 6488 (time 1787472991.54 total 100.06 last 70.93)
 - open/close 7188 (time 1787473001.54 total 110.07 last 69.96)
 - open/close 7894 (time 1787473011.55 total 120.08 last 70.52)
total: 8000 open/close in 121.90 seconds: 65.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 176 seconds
lru_size = 400
 - unlinked 0 (time 1787473199 ; total 0 ; last 0)
total: 8000 unlinks in 110 seconds: 72.727272 unlinks/second
 - open/close 723 (time 1787473323.97 total 10.00 last 72.28)
 - open/close 1441 (time 1787473334.00 total 20.02 last 71.65)
 - open/close 2143 (time 1787473344.00 total 30.03 last 70.17)
 - open/close 2876 (time 1787473354.01 total 40.04 last 73.23)
 - open/close 3568 (time 1787473364.01 total 50.04 last 69.19)
 - open/close 4330 (time 1787473374.02 total 60.05 last 76.13)
 - open/close 5099 (time 1787473384.03 total 70.05 last 76.86)
 - open/close 5810 (time 1787473394.03 total 80.05 last 71.10)
 - open/close 6569 (time 1787473404.04 total 90.07 last 75.80)
 - open/close 7335 (time 1787473414.04 total 100.07 last 76.58)
total: 8000 open/close in 109.48 seconds: 73.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1787473539 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second