== sanity test 124b: lru resize (performance test) ================================================================================= 05:03:06 (1785229386)
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 603 (time 1785229401.95 total 10.02 last 60.21)
 - open/close 1351 (time 1785229411.99 total 20.05 last 74.54)
 - open/close 1948 (time 1785229421.99 total 30.05 last 59.69)
 - open/close 2692 (time 1785229431.99 total 40.05 last 74.39)
 - open/close 3495 (time 1785229442.00 total 50.06 last 80.25)
 - open/close 4249 (time 1785229452.01 total 60.07 last 75.30)
 - open/close 4977 (time 1785229462.01 total 70.08 last 72.77)
 - open/close 5767 (time 1785229472.01 total 80.08 last 79.00)
 - open/close 6546 (time 1785229482.02 total 90.08 last 77.86)
 - open/close 7379 (time 1785229492.02 total 100.08 last 83.29)
total: 8000 open/close in 106.52 seconds: 75.10 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 178 seconds
lru_size = 400
400
 - unlinked 0 (time 1785229690 ; total 0 ; last 0)
total: 8000 unlinks in 116 seconds: 68.965515 unlinks/second
striped dir -i0 -c2 -H all_char  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 793 (time 1785229823.17 total 10.02 last 79.18)
 - open/close 1573 (time 1785229833.17 total 20.02 last 77.99)
 - open/close 2371 (time 1785229843.17 total 30.02 last 79.75)
 - open/close 3110 (time 1785229853.17 total 40.02 last 73.89)
 - open/close 3660 (time 1785229863.19 total 50.04 last 54.89)
 - open/close 4200 (time 1785229873.21 total 60.06 last 53.94)
 - open/close 4730 (time 1785229883.21 total 70.06 last 52.97)
 - open/close 5551 (time 1785229893.21 total 80.06 last 82.10)
 - open/close 6176 (time 1785229903.21 total 90.06 last 62.50)
 - open/close 6945 (time 1785229913.22 total 100.07 last 76.83)
 - open/close 7576 (time 1785229923.24 total 110.09 last 62.99)
total: 8000 open/close in 118.05 seconds: 67.77 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 100 seconds
lru_size = 4006
4001
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1785230055 ; total 0 ; last 0)
total: 8000 unlinks in 68 seconds: 117.647057 unlinks/second