== sanity test 124b: lru resize (performance test) ================================================================================= 15:59:40 (1786046380)
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 672 (time 1786046396.78 total 10.01 last 67.12)
 - open/close 1456 (time 1786046406.79 total 20.03 last 78.27)
 - open/close 2272 (time 1786046416.79 total 30.03 last 81.59)
 - open/close 3115 (time 1786046426.80 total 40.03 last 84.26)
 - open/close 4081 (time 1786046436.81 total 50.04 last 96.54)
 - open/close 4993 (time 1786046446.81 total 60.05 last 91.12)
 - open/close 5832 (time 1786046456.82 total 70.05 last 83.87)
 - open/close 6581 (time 1786046466.83 total 80.06 last 74.83)
 - open/close 7451 (time 1786046476.84 total 90.07 last 86.90)
total: 8000 open/close in 97.09 seconds: 82.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 148 seconds
lru_size = 400
400
 - unlinked 0 (time 1786046642 ; total 0 ; last 0)
total: 8000 unlinks in 95 seconds: 84.210526 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 824 (time 1786046752.92 total 10.01 last 82.34)
 - open/close 1544 (time 1786046762.94 total 20.02 last 71.88)
 - open/close 2401 (time 1786046772.94 total 30.03 last 85.68)
 - open/close 3322 (time 1786046782.94 total 40.03 last 92.07)
 - open/close 4201 (time 1786046792.94 total 50.03 last 87.90)
 - open/close 5118 (time 1786046802.95 total 60.04 last 91.61)
 - open/close 5794 (time 1786046812.95 total 70.04 last 67.60)
 - open/close 6567 (time 1786046822.96 total 80.05 last 77.26)
 - open/close 7447 (time 1786046832.97 total 90.05 last 87.94)
total: 8000 open/close in 98.62 seconds: 81.12 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 4052
3955
ls -la is 36% faster with lru resize enabled
 - unlinked 0 (time 1786046957 ; total 0 ; last 0)
total: 8000 unlinks in 56 seconds: 142.857147 unlinks/second