== sanity test 124b: lru resize (performance test) ================================================================================= 13:30:25 (1786987825)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 846 (time 1786987840.61 total 10.00 last 84.59)
 - open/close 1526 (time 1786987850.61 total 20.00 last 67.99)
 - open/close 2268 (time 1786987860.62 total 30.01 last 74.17)
 - open/close 2869 (time 1786987870.63 total 40.02 last 60.03)
 - open/close 3567 (time 1786987880.63 total 50.02 last 69.78)
 - open/close 4264 (time 1786987890.65 total 60.05 last 69.53)
 - open/close 5069 (time 1786987900.66 total 70.05 last 80.46)
 - open/close 5843 (time 1786987910.66 total 80.05 last 77.39)
 - open/close 6653 (time 1786987920.66 total 90.06 last 80.96)
 - open/close 7412 (time 1786987930.67 total 100.07 last 75.82)
total: 8000 open/close in 107.09 seconds: 74.71 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 188 seconds
lru_size = 400
400
 - unlinked 0 (time 1786988135 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 790 (time 1786988258.27 total 10.01 last 78.93)
 - open/close 1537 (time 1786988268.29 total 20.02 last 74.61)
 - open/close 2181 (time 1786988278.29 total 30.03 last 64.35)
 - open/close 2939 (time 1786988288.30 total 40.04 last 75.73)
 - open/close 3636 (time 1786988298.32 total 50.05 last 69.61)
 - open/close 4201 (time 1786988308.34 total 60.08 last 56.36)
 - open/close 4962 (time 1786988318.34 total 70.08 last 76.09)
 - open/close 5729 (time 1786988328.36 total 80.10 last 76.55)
 - open/close 6509 (time 1786988338.37 total 90.11 last 77.91)
 - open/close 7217 (time 1786988348.37 total 100.11 last 70.79)
total: 8000 open/close in 109.79 seconds: 72.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 4052
3955
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1786988483 ; total 1 ; last 1)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second