== sanity test 124b: lru resize (performance test) ================================================================================= 20:03:28 (1785974608)
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 845 (time 1785974622.74 total 10.00 last 84.50)
 - open/close 1813 (time 1785974632.74 total 20.00 last 96.78)
 - open/close 2675 (time 1785974642.74 total 30.00 last 86.19)
 - open/close 3507 (time 1785974652.74 total 40.00 last 83.20)
 - open/close 4305 (time 1785974662.75 total 50.01 last 79.73)
 - open/close 5122 (time 1785974672.75 total 60.01 last 81.70)
 - open/close 5973 (time 1785974682.76 total 70.02 last 85.07)
 - open/close 6747 (time 1785974692.76 total 80.02 last 77.39)
 - open/close 7475 (time 1785974702.77 total 90.03 last 72.74)
total: 8000 open/close in 97.72 seconds: 81.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 400
400
 - unlinked 0 (time 1785974816 ; total 0 ; last 0)
total: 8000 unlinks in 109 seconds: 73.394493 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 903 (time 1785974940.72 total 10.01 last 90.24)
 - open/close 1690 (time 1785974950.73 total 20.02 last 78.62)
 - open/close 2527 (time 1785974960.73 total 30.02 last 83.70)
 - open/close 3415 (time 1785974970.74 total 40.02 last 88.77)
 - open/close 4305 (time 1785974980.74 total 50.02 last 88.98)
 - open/close 5292 (time 1785974990.74 total 60.03 last 98.68)
 - open/close 6103 (time 1785975000.75 total 70.03 last 81.05)
 - open/close 6898 (time 1785975010.76 total 80.04 last 79.40)
 - open/close 7576 (time 1785975020.77 total 90.05 last 67.77)
total: 8000 open/close in 94.55 seconds: 84.62 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 91 seconds
lru_size = 4006
4001
ls -la is 2% faster with lru resize enabled
 - unlinked 0 (time 1785975138 ; total 0 ; last 0)
total: 8000 unlinks in 61 seconds: 131.147537 unlinks/second