== sanity test 124b: lru resize (performance test) ================================================================================= 07:50:59 (1762174259)
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 5001 (time 1762174272.14 total 10.00 last 500.07)
total: 8000 open/close in 16.30 seconds: 490.66 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 63 seconds
lru_size = 400
400
 - unlinked 0 (time 1762174344 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1090 (time 1762174391.84 total 10.00 last 108.98)
 - open/close 2213 (time 1762174401.84 total 20.01 last 112.26)
 - open/close 3151 (time 1762174411.85 total 30.02 last 93.69)
 - open/close 3708 (time 1762174421.87 total 40.03 last 55.60)
 - open/close 4196 (time 1762174431.88 total 50.05 last 48.74)
 - open/close 4742 (time 1762174441.90 total 60.06 last 54.53)
 - open/close 5341 (time 1762174451.90 total 70.06 last 59.89)
 - open/close 6127 (time 1762174461.90 total 80.07 last 78.57)
 - open/close 6902 (time 1762174471.90 total 90.07 last 77.49)
 - open/close 7734 (time 1762174481.91 total 100.07 last 83.16)
total: 8000 open/close in 103.30 seconds: 77.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 4008
4001
ls -la is 19% slower with lru resize enabled
 - unlinked 0 (time 1762174577 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second