== sanity test 124b: lru resize (performance test) ================================================================================= 18:32:50 (1786573970)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2353 (time 1786573982.49 total 10.00 last 235.24)
 - open/close 4860 (time 1786573992.49 total 20.01 last 250.61)
 - open/close 7548 (time 1786574002.49 total 30.01 last 268.73)
total: 8000 open/close in 31.97 seconds: 250.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 98 seconds
lru_size = 400
400
 - unlinked 0 (time 1786574107 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1753 (time 1786574140.33 total 10.00 last 175.28)
 - open/close 4445 (time 1786574150.33 total 20.00 last 269.15)
 - open/close 7823 (time 1786574160.33 total 30.01 last 337.68)
total: 8000 open/close in 30.64 seconds: 261.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 4052
3955
ls -la is 33% faster with lru resize enabled
 - unlinked 0 (time 1786574234 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second