== sanity test 124b: lru resize (performance test) ================================================================================= 20:09:30 (1785974970)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 882 (time 1785974985.30 total 10.00 last 88.18)
 - open/close 1749 (time 1785974995.31 total 20.02 last 86.59)
 - open/close 2501 (time 1785975005.32 total 30.02 last 75.15)
 - open/close 3166 (time 1785975015.33 total 40.04 last 66.41)
 - open/close 3936 (time 1785975025.34 total 50.04 last 76.97)
 - open/close 4777 (time 1785975035.35 total 60.05 last 84.00)
 - open/close 5729 (time 1785975045.35 total 70.05 last 95.16)
 - open/close 6749 (time 1785975055.36 total 80.06 last 101.95)
 - open/close 7639 (time 1785975065.37 total 90.07 last 88.92)
total: 8000 open/close in 93.82 seconds: 85.27 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 145 seconds
lru_size = 400
400
 - unlinked 0 (time 1785975223 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 590 (time 1785975326.03 total 10.00 last 58.97)
 - open/close 1495 (time 1785975336.03 total 20.01 last 90.49)
 - open/close 2426 (time 1785975346.04 total 30.01 last 93.03)
 - open/close 3340 (time 1785975356.05 total 40.02 last 91.32)
 - open/close 4281 (time 1785975366.05 total 50.02 last 94.07)
 - open/close 5381 (time 1785975376.06 total 60.03 last 109.97)
 - open/close 6275 (time 1785975386.08 total 70.05 last 89.22)
 - open/close 7110 (time 1785975396.09 total 80.06 last 83.38)
 - open/close 7732 (time 1785975406.11 total 90.08 last 62.11)
total: 8000 open/close in 94.03 seconds: 85.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 4052
3955
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1785975527 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second