== sanity test 124b: lru resize (performance test) ================================================================================= 09:36:23 (1787146583)
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 803 (time 1787146598.25 total 10.01 last 80.25)
 - open/close 1617 (time 1787146608.25 total 20.01 last 81.38)
 - open/close 2397 (time 1787146618.27 total 30.03 last 77.83)
 - open/close 3215 (time 1787146628.30 total 40.06 last 81.55)
 - open/close 3968 (time 1787146638.31 total 50.06 last 75.28)
 - open/close 4739 (time 1787146648.31 total 60.06 last 77.10)
 - open/close 5545 (time 1787146658.32 total 70.07 last 80.53)
 - open/close 6344 (time 1787146668.32 total 80.08 last 79.87)
 - open/close 7107 (time 1787146678.33 total 90.08 last 76.26)
 - open/close 7937 (time 1787146688.34 total 100.10 last 82.88)
total: 8000 open/close in 100.74 seconds: 79.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
400
 - unlinked 0 (time 1787146861 ; 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 831 (time 1787146975.41 total 10.01 last 83.06)
 - open/close 1658 (time 1787146985.41 total 20.01 last 82.64)
 - open/close 2412 (time 1787146995.44 total 30.04 last 75.20)
 - open/close 3233 (time 1787147005.45 total 40.05 last 82.02)
 - open/close 4091 (time 1787147015.48 total 50.08 last 85.55)
 - open/close 4958 (time 1787147025.49 total 60.09 last 86.65)
 - open/close 5792 (time 1787147035.50 total 70.10 last 83.30)
 - open/close 6677 (time 1787147045.50 total 80.10 last 88.50)
 - open/close 7459 (time 1787147055.51 total 90.10 last 78.15)
total: 8000 open/close in 96.82 seconds: 82.63 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 4006
4001
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1787147157 ; total 0 ; last 0)
total: 8000 unlinks in 59 seconds: 135.593216 unlinks/second