== sanity test 124b: lru resize (performance test) ================================================================================= 01:21:09 (1788758469)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1217 (time 1788758482.69 total 10.00 last 121.70)
 - open/close 2068 (time 1788758492.69 total 20.00 last 85.07)
 - open/close 2955 (time 1788758502.70 total 30.02 last 88.58)
 - open/close 3829 (time 1788758512.71 total 40.02 last 87.35)
 - open/close 4635 (time 1788758522.72 total 50.03 last 80.54)
 - open/close 5527 (time 1788758532.72 total 60.04 last 89.16)
 - open/close 6336 (time 1788758542.73 total 70.05 last 80.82)
 - open/close 7066 (time 1788758552.73 total 80.05 last 72.99)
 - open/close 7795 (time 1788758562.75 total 90.07 last 72.76)
total: 8000 open/close in 92.59 seconds: 86.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 400
400
 - unlinked 0 (time 1788758664 ; total 0 ; last 0)
total: 8000 unlinks in 99 seconds: 80.808083 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 824 (time 1788758778.44 total 10.01 last 82.28)
 - open/close 1662 (time 1788758788.44 total 20.02 last 83.77)
 - open/close 2509 (time 1788758798.47 total 30.04 last 84.50)
 - open/close 3399 (time 1788758808.48 total 40.05 last 88.91)
 - open/close 4244 (time 1788758818.48 total 50.06 last 84.46)
 - open/close 5053 (time 1788758828.50 total 60.07 last 80.79)
 - open/close 5882 (time 1788758838.51 total 70.08 last 82.80)
 - open/close 6697 (time 1788758848.51 total 80.09 last 81.46)
 - open/close 7565 (time 1788758858.52 total 90.10 last 86.72)
total: 8000 open/close in 95.06 seconds: 84.16 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 4006
4001
ls -la is 2% faster with lru resize enabled
 - unlinked 0 (time 1788758969 ; total 0 ; last 0)
total: 8000 unlinks in 58 seconds: 137.931030 unlinks/second