== sanity test 124b: lru resize (performance test) ================================================================================= 21:33:16 (1788571996)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 678 (time 1788572010.96 total 10.01 last 67.74)
 - open/close 1293 (time 1788572020.97 total 20.02 last 61.46)
 - open/close 1997 (time 1788572030.98 total 30.02 last 70.35)
 - open/close 2726 (time 1788572040.98 total 40.03 last 72.87)
 - open/close 3501 (time 1788572050.99 total 50.03 last 77.45)
 - open/close 4255 (time 1788572061.00 total 60.04 last 75.32)
 - open/close 4982 (time 1788572071.01 total 70.06 last 72.58)
 - open/close 5721 (time 1788572081.02 total 80.07 last 73.83)
 - open/close 6448 (time 1788572091.02 total 90.07 last 72.69)
 - open/close 7137 (time 1788572101.03 total 100.08 last 68.82)
 - open/close 7835 (time 1788572111.04 total 110.09 last 69.76)
total: 8000 open/close in 112.02 seconds: 71.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 152 seconds
lru_size = 400
 - unlinked 0 (time 1788572274 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 538 (time 1788572403.92 total 10.00 last 53.78)
 - open/close 1216 (time 1788572413.93 total 20.01 last 67.78)
 - open/close 1946 (time 1788572423.94 total 30.02 last 72.91)
 - open/close 2671 (time 1788572433.95 total 40.03 last 72.45)
 - open/close 3386 (time 1788572443.95 total 50.03 last 71.47)
 - open/close 4146 (time 1788572453.95 total 60.03 last 75.98)
 - open/close 4879 (time 1788572463.96 total 70.05 last 73.21)
 - open/close 5668 (time 1788572473.98 total 80.06 last 78.82)
 - open/close 6320 (time 1788572483.98 total 90.06 last 65.17)
 - open/close 6946 (time 1788572493.98 total 100.06 last 62.59)
 - open/close 7680 (time 1788572503.99 total 110.07 last 73.33)
total: 8000 open/close in 113.95 seconds: 70.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1788572606 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second