== sanity test 124b: lru resize (performance test) ================================================================================= 03:12:24 (1788851544)
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 1721 (time 1788851556.88 total 10.00 last 172.04)
 - open/close 3746 (time 1788851566.89 total 20.01 last 202.45)
 - open/close 5455 (time 1788851576.89 total 30.01 last 170.86)
 - open/close 7155 (time 1788851586.89 total 40.01 last 169.99)
total: 8000 open/close in 44.01 seconds: 181.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 73 seconds
lru_size = 400
400
 - unlinked 0 (time 1788851668 ; total 0 ; last 0)
total: 8000 unlinks in 13 seconds: 615.384644 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1936 (time 1788851694.73 total 10.00 last 193.54)
 - open/close 4722 (time 1788851704.73 total 20.00 last 278.56)
total: 8000 open/close in 29.32 seconds: 272.89 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 4052
3955
ls -la is 32% faster with lru resize enabled
 - unlinked 0 (time 1788851773 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second