== sanity test 124b: lru resize (performance test) ================================================================================= 00:57:56 (1763359076)
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 3149 (time 1763359088.98 total 10.00 last 314.89)
 - open/close 5677 (time 1763359098.98 total 20.00 last 252.77)
 - open/close 7809 (time 1763359108.98 total 30.00 last 213.17)
total: 8000 open/close in 30.88 seconds: 259.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
400
 - unlinked 0 (time 1763359189 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3657 (time 1763359216.21 total 10.00 last 365.62)
 - open/close 6584 (time 1763359226.21 total 20.00 last 292.65)
total: 8000 open/close in 26.38 seconds: 303.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 4006
4001
ls -la is 1% faster with lru resize enabled
 - unlinked 0 (time 1763359316 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second