== sanity test 124b: lru resize (performance test) ================================================================================= 01:14:41 (1788844481)
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 1033 (time 1788844496.46 total 10.00 last 103.27)
 - open/close 2013 (time 1788844506.46 total 20.00 last 97.99)
 - open/close 3005 (time 1788844516.46 total 30.01 last 99.19)
 - open/close 4007 (time 1788844526.47 total 40.01 last 100.17)
 - open/close 4924 (time 1788844536.47 total 50.01 last 91.67)
 - open/close 5591 (time 1788844546.48 total 60.02 last 66.65)
 - open/close 6476 (time 1788844556.48 total 70.03 last 88.46)
 - open/close 7297 (time 1788844566.49 total 80.03 last 82.05)
total: 8000 open/close in 88.97 seconds: 89.92 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 142 seconds
lru_size = 400
400
 - unlinked 0 (time 1788844727 ; total 0 ; last 0)
total: 8000 unlinks in 88 seconds: 90.909088 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 990 (time 1788844829.30 total 10.01 last 98.94)
 - open/close 1915 (time 1788844839.30 total 20.01 last 92.45)
 - open/close 3021 (time 1788844849.31 total 30.01 last 110.58)
 - open/close 3916 (time 1788844859.31 total 40.01 last 89.49)
 - open/close 4943 (time 1788844869.31 total 50.02 last 102.69)
 - open/close 5840 (time 1788844879.32 total 60.03 last 89.61)
 - open/close 6764 (time 1788844889.33 total 70.04 last 92.28)
 - open/close 7717 (time 1788844899.34 total 80.05 last 95.23)
total: 8000 open/close in 83.11 seconds: 96.25 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 88 seconds
lru_size = 4006
4001
ls -la is 38% faster with lru resize enabled
 - unlinked 0 (time 1788845009 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second