== sanity test 124b: lru resize (performance test) ================================================================================= 16:27:16 (1785788836)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 556 (time 1785788852.25 total 10.00 last 55.60)
 - open/close 1214 (time 1785788862.25 total 20.00 last 65.79)
 - open/close 2143 (time 1785788872.26 total 30.01 last 92.80)
 - open/close 2877 (time 1785788882.27 total 40.02 last 73.37)
 - open/close 3740 (time 1785788892.27 total 50.02 last 86.27)
 - open/close 4185 (time 1785788902.28 total 60.03 last 44.46)
 - open/close 4707 (time 1785788912.29 total 70.04 last 52.17)
 - open/close 5654 (time 1785788922.30 total 80.05 last 94.60)
 - open/close 6390 (time 1785788932.32 total 90.07 last 73.45)
 - open/close 7038 (time 1785788942.32 total 100.07 last 64.77)
 - open/close 7672 (time 1785788952.33 total 110.08 last 63.36)
total: 8000 open/close in 116.37 seconds: 68.75 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 203 seconds
lru_size = 400
 - unlinked 0 (time 1785789172 ; total 0 ; last 0)
total: 8000 unlinks in 148 seconds: 54.054054 unlinks/second
 - open/close 374 (time 1785789335.95 total 10.01 last 37.35)
 - open/close 898 (time 1785789345.96 total 20.01 last 52.39)
 - open/close 1539 (time 1785789355.97 total 30.02 last 64.04)
 - open/close 2030 (time 1785789365.98 total 40.04 last 49.02)
 - open/close 2635 (time 1785789375.99 total 50.05 last 60.46)
 - open/close 3181 (time 1785789385.99 total 60.05 last 54.58)
 - open/close 3691 (time 1785789395.99 total 70.05 last 51.00)
 - open/close 4206 (time 1785789405.99 total 80.05 last 51.49)
 - open/close 4820 (time 1785789416.02 total 90.08 last 61.21)
 - open/close 5522 (time 1785789426.08 total 100.14 last 69.77)
 - open/close 6068 (time 1785789436.09 total 110.15 last 54.55)
 - open/close 6572 (time 1785789446.11 total 120.17 last 50.30)
 - open/close 7345 (time 1785789456.12 total 130.18 last 77.24)
total: 8000 open/close in 139.42 seconds: 57.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1785789598 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second