== sanity test 124b: lru resize (performance test) ================================================================================= 14:22:27 (1782238947)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 672 (time 1782238962.16 total 10.01 last 67.13)
 - open/close 1286 (time 1782238972.16 total 20.02 last 61.36)
 - open/close 1950 (time 1782238982.18 total 30.03 last 66.31)
 - open/close 2496 (time 1782238992.21 total 40.06 last 54.43)
 - open/close 3004 (time 1782239002.24 total 50.09 last 50.64)
 - open/close 3559 (time 1782239012.25 total 60.11 last 55.42)
 - open/close 4360 (time 1782239022.26 total 70.12 last 80.04)
 - open/close 5161 (time 1782239032.26 total 80.12 last 80.09)
 - open/close 6031 (time 1782239042.27 total 90.12 last 86.97)
 - open/close 6783 (time 1782239052.27 total 100.13 last 75.15)
 - open/close 7527 (time 1782239062.27 total 110.13 last 74.39)
total: 8000 open/close in 116.26 seconds: 68.81 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 182 seconds
lru_size = 400
 - unlinked 0 (time 1782239260 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 847 (time 1782239383.11 total 10.01 last 84.65)
 - open/close 1668 (time 1782239393.11 total 20.01 last 82.06)
 - open/close 2515 (time 1782239403.12 total 30.02 last 84.60)
 - open/close 3238 (time 1782239413.12 total 40.03 last 72.29)
 - open/close 4173 (time 1782239423.12 total 50.03 last 93.49)
 - open/close 5053 (time 1782239433.13 total 60.03 last 87.93)
 - open/close 5860 (time 1782239443.13 total 70.03 last 80.70)
 - open/close 6699 (time 1782239453.14 total 80.04 last 83.83)
 - open/close 7554 (time 1782239463.14 total 90.04 last 85.50)
total: 8000 open/close in 95.63 seconds: 83.65 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1782239581 ; total 0 ; last 0)
total: 8000 unlinks in 63 seconds: 126.984123 unlinks/second