== sanity test 124b: lru resize (performance test) ================================================================================= 02:46:58 (1788763618)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 617 (time 1788763633.07 total 10.01 last 61.66)
 - open/close 1286 (time 1788763643.09 total 20.03 last 66.78)
 - open/close 1987 (time 1788763653.10 total 30.03 last 70.05)
 - open/close 2691 (time 1788763663.11 total 40.05 last 70.30)
 - open/close 3445 (time 1788763673.12 total 50.05 last 75.34)
 - open/close 4162 (time 1788763683.12 total 60.06 last 71.68)
 - open/close 4988 (time 1788763693.13 total 70.07 last 82.53)
 - open/close 5815 (time 1788763703.13 total 80.07 last 82.68)
 - open/close 6573 (time 1788763713.15 total 90.08 last 75.71)
 - open/close 7372 (time 1788763723.17 total 100.10 last 79.73)
total: 8000 open/close in 108.69 seconds: 73.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
 - unlinked 0 (time 1788763898 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 949 (time 1788764016.88 total 10.00 last 94.88)
 - open/close 1834 (time 1788764026.89 total 20.00 last 88.48)
 - open/close 2542 (time 1788764036.89 total 30.01 last 70.78)
 - open/close 3249 (time 1788764046.91 total 40.02 last 70.58)
 - open/close 4013 (time 1788764056.92 total 50.03 last 76.32)
 - open/close 4839 (time 1788764066.92 total 60.04 last 82.54)
 - open/close 5663 (time 1788764076.93 total 70.04 last 82.38)
 - open/close 6482 (time 1788764086.94 total 80.05 last 81.82)
 - open/close 7281 (time 1788764096.95 total 90.06 last 79.82)
total: 8000 open/close in 99.96 seconds: 80.03 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1788764208 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second