== sanity test 124b: lru resize (performance test) ================================================================================= 20:19:22 (1788653962)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 609 (time 1788653977.92 total 10.01 last 60.84)
 - open/close 1167 (time 1788653987.92 total 20.01 last 55.78)
 - open/close 1704 (time 1788653997.92 total 30.01 last 53.69)
 - open/close 2339 (time 1788654007.93 total 40.02 last 63.47)
 - open/close 3052 (time 1788654017.94 total 50.03 last 71.23)
 - open/close 3613 (time 1788654027.94 total 60.03 last 56.08)
 - open/close 4228 (time 1788654037.97 total 70.07 last 61.31)
 - open/close 4779 (time 1788654047.98 total 80.07 last 55.08)
 - open/close 5414 (time 1788654057.99 total 90.09 last 63.39)
 - open/close 5872 (time 1788654068.00 total 100.09 last 45.79)
 - open/close 6457 (time 1788654078.00 total 110.09 last 58.48)
 - open/close 7032 (time 1788654088.00 total 120.09 last 57.49)
 - open/close 7733 (time 1788654098.02 total 130.11 last 70.00)
total: 8000 open/close in 133.91 seconds: 59.74 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 1788654287 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
 - open/close 702 (time 1788654427.09 total 10.01 last 70.16)
 - open/close 1377 (time 1788654437.09 total 20.01 last 67.45)
 - open/close 2073 (time 1788654447.11 total 30.03 last 69.51)
 - open/close 2723 (time 1788654457.12 total 40.04 last 64.89)
 - open/close 3450 (time 1788654467.13 total 50.05 last 72.64)
 - open/close 4158 (time 1788654477.16 total 60.08 last 70.59)
 - open/close 4888 (time 1788654487.17 total 70.09 last 72.97)
 - open/close 5590 (time 1788654497.18 total 80.10 last 70.10)
 - open/close 6275 (time 1788654507.19 total 90.11 last 68.43)
 - open/close 6916 (time 1788654517.21 total 100.13 last 64.00)
 - open/close 7556 (time 1788654527.22 total 110.14 last 63.91)
total: 8000 open/close in 119.44 seconds: 66.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 103 seconds
lru_size = 8005
ls -la is 40% faster with lru resize enabled
 - unlinked 0 (time 1788654666 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second