== sanity test 124b: lru resize (performance test) ================================================================================= 01:46:33 (1786427193)
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 700 (time 1786427207.52 total 10.01 last 69.94)
 - open/close 1391 (time 1786427217.53 total 20.02 last 69.03)
 - open/close 2024 (time 1786427227.53 total 30.03 last 63.26)
 - open/close 2643 (time 1786427237.54 total 40.03 last 61.88)
 - open/close 3455 (time 1786427247.54 total 50.03 last 81.16)
 - open/close 4234 (time 1786427257.55 total 60.04 last 77.83)
 - open/close 4995 (time 1786427267.56 total 70.05 last 76.03)
 - open/close 5750 (time 1786427277.57 total 80.06 last 75.42)
 - open/close 6494 (time 1786427287.58 total 90.07 last 74.34)
 - open/close 7300 (time 1786427297.59 total 100.08 last 80.51)
total: 8000 open/close in 108.34 seconds: 73.84 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 125 seconds
lru_size = 400
400
 - unlinked 0 (time 1786427443 ; total 0 ; last 0)
total: 8000 unlinks in 111 seconds: 72.072075 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 756 (time 1786427570.26 total 10.00 last 75.58)
 - open/close 1537 (time 1786427580.28 total 20.02 last 77.99)
 - open/close 2366 (time 1786427590.28 total 30.03 last 82.82)
 - open/close 3172 (time 1786427600.29 total 40.03 last 80.56)
 - open/close 4006 (time 1786427610.30 total 50.04 last 83.32)
 - open/close 4764 (time 1786427620.31 total 60.05 last 75.73)
 - open/close 5510 (time 1786427630.39 total 70.13 last 73.97)
 - open/close 6250 (time 1786427640.40 total 80.14 last 73.94)
 - open/close 7044 (time 1786427650.41 total 90.15 last 79.37)
 - open/close 7794 (time 1786427660.42 total 100.16 last 74.94)
total: 8000 open/close in 103.29 seconds: 77.45 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 124 seconds
lru_size = 4052
3955
ls -la is 0% faster with lru resize enabled
 - unlinked 0 (time 1786427808 ; total 0 ; last 0)
total: 8000 unlinks in 69 seconds: 115.942032 unlinks/second