== sanity test 124b: lru resize (performance test) ================================================================================= 12:01:58 (1782230518)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 695 (time 1782230534.70 total 10.01 last 69.42)
 - open/close 1256 (time 1782230544.70 total 20.01 last 56.09)
 - open/close 1984 (time 1782230554.71 total 30.02 last 72.77)
 - open/close 2721 (time 1782230564.73 total 40.04 last 73.56)
 - open/close 3511 (time 1782230574.73 total 50.04 last 78.98)
 - open/close 4258 (time 1782230584.73 total 60.04 last 74.70)
 - open/close 5011 (time 1782230594.74 total 70.05 last 75.22)
 - open/close 5681 (time 1782230604.74 total 80.05 last 66.97)
 - open/close 6414 (time 1782230614.75 total 90.06 last 73.27)
 - open/close 7128 (time 1782230624.76 total 100.07 last 71.31)
 - open/close 7830 (time 1782230634.76 total 110.07 last 70.17)
total: 8000 open/close in 112.32 seconds: 71.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 400
400
 - unlinked 0 (time 1782230741 ; total 0 ; last 0)
total: 8000 unlinks in 101 seconds: 79.207924 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 830 (time 1782230857.04 total 10.00 last 82.99)
 - open/close 1646 (time 1782230867.06 total 20.02 last 81.45)
 - open/close 2455 (time 1782230877.06 total 30.03 last 80.83)
 - open/close 3276 (time 1782230887.07 total 40.03 last 82.07)
 - open/close 4120 (time 1782230897.07 total 50.04 last 84.37)
 - open/close 4956 (time 1782230907.08 total 60.04 last 83.56)
 - open/close 5779 (time 1782230917.09 total 70.06 last 82.18)
 - open/close 6629 (time 1782230927.10 total 80.07 last 84.90)
 - open/close 7459 (time 1782230937.10 total 90.07 last 82.98)
total: 8000 open/close in 97.01 seconds: 82.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 4052
3955
ls -la is 6% faster with lru resize enabled
 - unlinked 0 (time 1782231052 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second