== sanity test 124b: lru resize (performance test) ================================================================================= 10:23:13 (1787754193)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 618 (time 1787754209.72 total 10.01 last 61.73)
 - open/close 1189 (time 1787754219.73 total 20.02 last 57.06)
 - open/close 1925 (time 1787754229.74 total 30.03 last 73.54)
 - open/close 2778 (time 1787754239.76 total 40.04 last 85.17)
 - open/close 3558 (time 1787754249.76 total 50.05 last 77.93)
 - open/close 4366 (time 1787754259.77 total 60.06 last 80.74)
 - open/close 5152 (time 1787754269.78 total 70.07 last 78.54)
 - open/close 6042 (time 1787754279.78 total 80.07 last 88.96)
 - open/close 6724 (time 1787754289.79 total 90.08 last 68.17)
 - open/close 7422 (time 1787754299.80 total 100.08 last 69.74)
total: 8000 open/close in 108.26 seconds: 73.90 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 158 seconds
lru_size = 400
400
 - unlinked 0 (time 1787754477 ; total 0 ; last 0)
total: 8000 unlinks in 119 seconds: 67.226891 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 759 (time 1787754611.30 total 10.00 last 75.87)
 - open/close 1483 (time 1787754621.32 total 20.02 last 72.26)
 - open/close 2180 (time 1787754631.34 total 30.04 last 69.57)
 - open/close 2919 (time 1787754641.35 total 40.05 last 73.85)
 - open/close 3735 (time 1787754651.36 total 50.06 last 81.49)
 - open/close 4445 (time 1787754661.37 total 60.07 last 70.96)
 - open/close 5096 (time 1787754671.37 total 70.07 last 65.09)
 - open/close 5923 (time 1787754681.37 total 80.08 last 82.65)
 - open/close 6651 (time 1787754691.39 total 90.09 last 72.71)
 - open/close 7478 (time 1787754701.39 total 100.09 last 82.64)
total: 8000 open/close in 106.78 seconds: 74.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 99 seconds
lru_size = 4006
4001
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1787754831 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second