== sanity test 124b: lru resize (performance test) ================================================================================= 03:25:00 (1734683100)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1782 (time 1734683112.63 total 10.00 last 178.17)
 - open/close 3582 (time 1734683122.63 total 20.00 last 179.98)
 - open/close 5490 (time 1734683132.63 total 30.01 last 190.75)
 - open/close 7342 (time 1734683142.64 total 40.01 last 185.06)
total: 8000 open/close in 44.48 seconds: 179.87 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1734683226 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1804 (time 1734683280.64 total 10.00 last 180.39)
 - open/close 3397 (time 1734683290.65 total 20.01 last 159.21)
 - open/close 5092 (time 1734683300.66 total 30.01 last 169.41)
 - open/close 7029 (time 1734683310.66 total 40.01 last 193.68)
total: 8000 open/close in 43.13 seconds: 185.51 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 16 seconds
lru_size = 4006
4001
ls -la is 78% faster with lru resize enabled
 - unlinked 0 (time 1734683335 ; total 1 ; last 1)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second