== sanity test 124b: lru resize (performance test) ================================================================================= 19:51:08 (1787442668)
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 930 (time 1787442682.48 total 10.00 last 92.98)
 - open/close 1915 (time 1787442692.49 total 20.01 last 98.42)
 - open/close 2837 (time 1787442702.50 total 30.02 last 92.14)
 - open/close 3754 (time 1787442712.50 total 40.02 last 91.68)
 - open/close 4699 (time 1787442722.50 total 50.02 last 94.48)
 - open/close 5615 (time 1787442732.51 total 60.03 last 91.49)
 - open/close 6480 (time 1787442742.51 total 70.04 last 86.48)
 - open/close 7537 (time 1787442752.52 total 80.05 last 105.61)
total: 8000 open/close in 84.63 seconds: 94.53 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 400
400
 - unlinked 0 (time 1787442856 ; total 0 ; last 0)
total: 8000 unlinks in 90 seconds: 88.888885 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 907 (time 1787442961.00 total 10.00 last 90.69)
 - open/close 1752 (time 1787442971.01 total 20.01 last 84.41)
 - open/close 2551 (time 1787442981.02 total 30.02 last 79.83)
 - open/close 3380 (time 1787442991.02 total 40.02 last 82.89)
 - open/close 4327 (time 1787443001.03 total 50.02 last 94.66)
 - open/close 5234 (time 1787443011.03 total 60.03 last 90.66)
 - open/close 6208 (time 1787443021.03 total 70.03 last 97.38)
 - open/close 7153 (time 1787443031.04 total 80.04 last 94.44)
total: 8000 open/close in 89.65 seconds: 89.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4052
3955
ls -la is 1% faster with lru resize enabled
 - unlinked 0 (time 1787443144 ; total 1 ; last 1)
total: 8000 unlinks in 53 seconds: 150.943390 unlinks/second