== sanity test 124b: lru resize (performance test) ================================================================================= 23:49:30 (1781236170)
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 1798 (time 1781236183.60 total 10.00 last 179.75)
 - open/close 3422 (time 1781236193.60 total 20.01 last 162.33)
 - open/close 5022 (time 1781236203.60 total 30.01 last 159.98)
 - open/close 6432 (time 1781236213.61 total 40.01 last 140.94)
total: 8000 open/close in 49.89 seconds: 160.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 95 seconds
lru_size = 400
400
 - unlinked 0 (time 1781236323 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2225 (time 1781236386.28 total 10.00 last 222.46)
 - open/close 4827 (time 1781236396.28 total 20.00 last 260.12)
 - open/close 7129 (time 1781236406.28 total 30.01 last 230.15)
total: 8000 open/close in 33.91 seconds: 235.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 66 seconds
lru_size = 4052
3955
ls -la is 30% faster with lru resize enabled
 - unlinked 0 (time 1781236485 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second