== sanity test 124b: lru resize (performance test) ================================================================================= 11:06:19 (1788275179)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 675 (time 1788275195.53 total 10.00 last 67.49)
 - open/close 1351 (time 1788275205.56 total 20.03 last 67.43)
 - open/close 1862 (time 1788275215.56 total 30.03 last 51.10)
 - open/close 2414 (time 1788275225.57 total 40.04 last 55.16)
 - open/close 3107 (time 1788275235.57 total 50.04 last 69.28)
 - open/close 3873 (time 1788275245.60 total 60.07 last 76.38)
 - open/close 4581 (time 1788275255.60 total 70.07 last 70.80)
 - open/close 5417 (time 1788275265.61 total 80.08 last 83.52)
 - open/close 6316 (time 1788275275.61 total 90.08 last 89.87)
 - open/close 7131 (time 1788275285.62 total 100.08 last 81.49)
 - open/close 7900 (time 1788275295.62 total 110.09 last 76.84)
total: 8000 open/close in 111.60 seconds: 71.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
 - unlinked 0 (time 1788275471 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
 - open/close 675 (time 1788275606.10 total 10.01 last 67.43)
 - open/close 1213 (time 1788275616.11 total 20.02 last 53.76)
 - open/close 1747 (time 1788275626.12 total 30.03 last 53.34)
 - open/close 2371 (time 1788275636.13 total 40.04 last 62.36)
 - open/close 2938 (time 1788275646.14 total 50.05 last 56.64)
 - open/close 3713 (time 1788275656.15 total 60.06 last 77.42)
 - open/close 4541 (time 1788275666.15 total 70.06 last 82.76)
 - open/close 5375 (time 1788275676.16 total 80.07 last 83.33)
 - open/close 6026 (time 1788275686.16 total 90.07 last 65.09)
 - open/close 6537 (time 1788275696.20 total 100.11 last 50.91)
 - open/close 6735 (time 1788275706.21 total 110.12 last 19.79)
 - open/close 7374 (time 1788275716.21 total 120.12 last 63.87)
total: 8000 open/close in 127.94 seconds: 62.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 8006
ls -la is 41% faster with lru resize enabled
 - unlinked 0 (time 1788275840 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second