== sanity test 124b: lru resize (performance test) ================================================================================= 11:09:53 (1787670593)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 499 (time 1787670608.49 total 10.00 last 49.89)
 - open/close 1010 (time 1787670618.50 total 20.01 last 51.06)
 - open/close 1603 (time 1787670628.50 total 30.01 last 59.30)
 - open/close 2287 (time 1787670638.50 total 40.01 last 68.37)
 - open/close 2975 (time 1787670648.50 total 50.01 last 68.80)
 - open/close 3559 (time 1787670658.53 total 60.04 last 58.25)
 - open/close 4146 (time 1787670668.53 total 70.04 last 58.68)
 - open/close 4668 (time 1787670678.53 total 80.05 last 52.19)
 - open/close 5292 (time 1787670688.54 total 90.05 last 62.36)
 - open/close 5851 (time 1787670698.59 total 100.10 last 55.62)
 - open/close 6321 (time 1787670708.59 total 110.11 last 46.98)
 - open/close 6953 (time 1787670718.61 total 120.12 last 63.12)
 - open/close 7630 (time 1787670728.61 total 130.12 last 67.68)
total: 8000 open/close in 134.74 seconds: 59.38 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 172 seconds
lru_size = 400
400
 - unlinked 0 (time 1787670918 ; total 0 ; last 0)
total: 8000 unlinks in 125 seconds: 64.000000 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 789 (time 1787671057.86 total 10.00 last 78.88)
 - open/close 1502 (time 1787671067.87 total 20.01 last 71.23)
 - open/close 2221 (time 1787671077.87 total 30.02 last 71.87)
 - open/close 3077 (time 1787671087.87 total 40.02 last 85.56)
 - open/close 3740 (time 1787671097.89 total 50.04 last 66.19)
 - open/close 4494 (time 1787671107.91 total 60.06 last 75.27)
 - open/close 5116 (time 1787671117.94 total 70.09 last 61.98)
 - open/close 5696 (time 1787671127.96 total 80.11 last 57.91)
 - open/close 6301 (time 1787671137.97 total 90.12 last 60.44)
 - open/close 7061 (time 1787671147.97 total 100.12 last 75.96)
 - open/close 7743 (time 1787671157.98 total 110.13 last 68.16)
total: 8000 open/close in 114.27 seconds: 70.01 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 4006
4001
ls -la is 43% faster with lru resize enabled
 - unlinked 0 (time 1787671284 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second