== sanity test 124b: lru resize (performance test) ================================================================================= 11:04:59 (1790780699)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 825 (time 1790780714.39 total 10.01 last 82.41)
 - open/close 1657 (time 1790780724.40 total 20.02 last 83.17)
 - open/close 2492 (time 1790780734.41 total 30.03 last 83.38)
 - open/close 3317 (time 1790780744.42 total 40.04 last 82.44)
 - open/close 4052 (time 1790780754.45 total 50.07 last 73.28)
 - open/close 4739 (time 1790780764.46 total 60.08 last 68.62)
 - open/close 5480 (time 1790780774.46 total 70.08 last 74.08)
 - open/close 6295 (time 1790780784.47 total 80.08 last 81.47)
 - open/close 7169 (time 1790780794.48 total 90.09 last 87.32)
 - open/close 7943 (time 1790780804.48 total 100.10 last 77.35)
total: 8000 open/close in 100.73 seconds: 79.42 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 167 seconds
lru_size = 400
 - unlinked 0 (time 1790780982 ; total 0 ; last 0)
total: 8000 unlinks in 117 seconds: 68.376068 unlinks/second
 - open/close 727 (time 1790781114.13 total 10.00 last 72.70)
 - open/close 1357 (time 1790781124.14 total 20.01 last 62.96)
 - open/close 1993 (time 1790781134.14 total 30.01 last 63.60)
 - open/close 2824 (time 1790781144.15 total 40.02 last 82.99)
 - open/close 3636 (time 1790781154.15 total 50.02 last 81.19)
 - open/close 4465 (time 1790781164.16 total 60.03 last 82.85)
 - open/close 5305 (time 1790781174.16 total 70.03 last 83.97)
 - open/close 6082 (time 1790781184.17 total 80.03 last 77.68)
 - open/close 6928 (time 1790781194.17 total 90.03 last 84.59)
 - open/close 7795 (time 1790781204.17 total 100.04 last 86.69)
total: 8000 open/close in 102.30 seconds: 78.20 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 71 seconds
lru_size = 8005
ls -la is 57% faster with lru resize enabled
 - unlinked 0 (time 1790781297 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second