== sanity test 124b: lru resize (performance test) ================================================================================= 21:59:07 (1788746347)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 492 (time 1788746362.26 total 10.01 last 49.17)
 - open/close 929 (time 1788746372.27 total 20.01 last 43.66)
 - open/close 1578 (time 1788746382.28 total 30.03 last 64.82)
 - open/close 2265 (time 1788746392.29 total 40.04 last 68.63)
 - open/close 3036 (time 1788746402.30 total 50.04 last 77.05)
 - open/close 3758 (time 1788746412.31 total 60.05 last 72.13)
 - open/close 4523 (time 1788746422.31 total 70.06 last 76.46)
 - open/close 5093 (time 1788746432.32 total 80.07 last 56.95)
 - open/close 5725 (time 1788746442.34 total 90.08 last 63.12)
 - open/close 6359 (time 1788746452.35 total 100.09 last 63.34)
 - open/close 6953 (time 1788746462.35 total 110.10 last 59.36)
 - open/close 7508 (time 1788746472.39 total 120.13 last 55.30)
 - open/close 7964 (time 1788746482.41 total 130.16 last 45.49)
total: 8000 open/close in 131.00 seconds: 61.07 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 156 seconds
lru_size = 400
 - unlinked 0 (time 1788746651 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
 - open/close 712 (time 1788746785.80 total 10.01 last 71.11)
 - open/close 1437 (time 1788746795.82 total 20.03 last 72.35)
 - open/close 2102 (time 1788746805.85 total 30.06 last 66.30)
 - open/close 2848 (time 1788746815.85 total 40.07 last 74.55)
 - open/close 3607 (time 1788746825.86 total 50.07 last 75.88)
 - open/close 4360 (time 1788746835.87 total 60.08 last 75.22)
 - open/close 5123 (time 1788746845.89 total 70.10 last 76.14)
 - open/close 5851 (time 1788746855.89 total 80.11 last 72.76)
 - open/close 6548 (time 1788746865.89 total 90.11 last 69.68)
 - open/close 7333 (time 1788746875.90 total 100.12 last 78.44)
total: 8000 open/close in 108.64 seconds: 73.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 83 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1788746986 ; total 0 ; last 0)
total: 8000 unlinks in 73 seconds: 109.589043 unlinks/second