== sanity test 124b: lru resize (performance test) ================================================================================= 11:07:28 (1769098048)
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 2549 (time 1769098060.88 total 10.00 last 254.88)
 - open/close 4941 (time 1769098070.89 total 20.00 last 239.14)
 - open/close 7079 (time 1769098080.89 total 30.00 last 213.80)
total: 8000 open/close in 33.33 seconds: 240.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 400
400
 - unlinked 0 (time 1769098162 ; 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 2218 (time 1769098188.69 total 10.00 last 221.70)
 - open/close 4394 (time 1769098198.69 total 20.01 last 217.56)
 - open/close 7194 (time 1769098208.69 total 30.01 last 279.95)
total: 8000 open/close in 33.50 seconds: 238.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 65 seconds
lru_size = 4006
4001
ls -la is 12% faster with lru resize enabled
 - unlinked 0 (time 1769098286 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second