== sanity test 124b: lru resize (performance test) ================================================================================= 20:04:31 (1785974671)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 814 (time 1785974685.85 total 10.00 last 81.37)
 - open/close 1420 (time 1785974695.85 total 20.01 last 60.58)
 - open/close 2004 (time 1785974705.87 total 30.03 last 58.28)
 - open/close 2652 (time 1785974715.89 total 40.05 last 64.69)
 - open/close 3415 (time 1785974725.90 total 50.05 last 76.24)
 - open/close 4136 (time 1785974735.92 total 60.08 last 71.92)
 - open/close 4688 (time 1785974745.94 total 70.09 last 55.12)
 - open/close 5427 (time 1785974755.94 total 80.10 last 73.85)
 - open/close 6223 (time 1785974765.96 total 90.11 last 79.49)
 - open/close 7071 (time 1785974775.96 total 100.12 last 84.73)
 - open/close 7879 (time 1785974785.97 total 110.12 last 80.77)
total: 8000 open/close in 111.68 seconds: 71.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 174 seconds
lru_size = 400
 - unlinked 0 (time 1785974971 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 783 (time 1785975092.94 total 10.01 last 78.22)
 - open/close 1573 (time 1785975102.95 total 20.02 last 78.91)
 - open/close 2370 (time 1785975112.95 total 30.02 last 79.69)
 - open/close 3264 (time 1785975123.08 total 40.15 last 88.27)
 - open/close 4058 (time 1785975133.09 total 50.15 last 79.37)
 - open/close 4923 (time 1785975143.10 total 60.16 last 86.41)
 - open/close 5718 (time 1785975153.10 total 70.17 last 79.43)
 - open/close 6569 (time 1785975163.11 total 80.18 last 85.04)
 - open/close 7328 (time 1785975173.12 total 90.19 last 75.85)
total: 8000 open/close in 99.82 seconds: 80.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1785975295 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second