== sanity test 124b: lru resize (performance test) ================================================================================= 07:42:07 (1769085727)
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 2762 (time 1769085739.69 total 10.01 last 276.01)
 - open/close 5817 (time 1769085749.69 total 20.01 last 305.47)
total: 8000 open/close in 27.69 seconds: 288.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 79 seconds
lru_size = 400
400
 - unlinked 0 (time 1769085841 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2494 (time 1769085868.10 total 10.00 last 249.37)
 - open/close 4850 (time 1769085878.10 total 20.00 last 235.59)
 - open/close 7940 (time 1769085888.11 total 30.00 last 308.96)
total: 8000 open/close in 30.13 seconds: 265.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 40 seconds
lru_size = 4006
4001
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1769085936 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second