== sanity test 124b: lru resize (performance test) ================================================================================= 06:50:44 (1786013444)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 743 (time 1786013460.28 total 10.01 last 74.20)
 - open/close 1595 (time 1786013470.29 total 20.02 last 85.15)
 - open/close 2353 (time 1786013480.29 total 30.02 last 75.77)
 - open/close 3103 (time 1786013490.29 total 40.03 last 74.99)
 - open/close 3885 (time 1786013500.30 total 50.03 last 78.17)
 - open/close 4642 (time 1786013510.30 total 60.03 last 75.69)
 - open/close 5459 (time 1786013520.30 total 70.04 last 81.66)
 - open/close 6300 (time 1786013530.32 total 80.05 last 83.96)
 - open/close 7165 (time 1786013540.33 total 90.06 last 86.44)
total: 8000 open/close in 99.14 seconds: 80.69 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 162 seconds
lru_size = 400
 - unlinked 0 (time 1786013721 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 860 (time 1786013837.54 total 10.00 last 85.98)
 - open/close 1704 (time 1786013847.54 total 20.00 last 84.39)
 - open/close 2565 (time 1786013857.54 total 30.01 last 86.05)
 - open/close 3526 (time 1786013867.54 total 40.01 last 96.09)
 - open/close 4317 (time 1786013877.55 total 50.01 last 79.06)
 - open/close 5210 (time 1786013887.56 total 60.03 last 89.20)
 - open/close 6040 (time 1786013897.56 total 70.03 last 83.00)
 - open/close 6873 (time 1786013907.57 total 80.03 last 83.23)
 - open/close 7528 (time 1786013917.58 total 90.04 last 65.46)
total: 8000 open/close in 94.95 seconds: 84.26 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 44% faster with lru resize enabled
 - unlinked 0 (time 1786014033 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second