== sanity test 124b: lru resize (performance test) ================================================================================= 04:03:44 (1787126624)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 677 (time 1787126638.84 total 10.01 last 67.65)
 - open/close 1422 (time 1787126648.85 total 20.02 last 74.41)
 - open/close 2143 (time 1787126658.86 total 30.02 last 72.08)
 - open/close 2823 (time 1787126668.88 total 40.05 last 67.82)
 - open/close 3491 (time 1787126678.89 total 50.06 last 66.73)
 - open/close 4214 (time 1787126688.92 total 60.09 last 72.12)
 - open/close 4934 (time 1787126698.94 total 70.10 last 71.89)
 - open/close 5665 (time 1787126708.94 total 80.11 last 73.06)
 - open/close 6348 (time 1787126718.96 total 90.13 last 68.16)
 - open/close 7049 (time 1787126728.96 total 100.13 last 70.09)
 - open/close 7762 (time 1787126738.98 total 110.14 last 71.21)
total: 8000 open/close in 113.59 seconds: 70.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 183 seconds
lru_size = 400
 - unlinked 0 (time 1787126935 ; total 0 ; last 0)
total: 8000 unlinks in 114 seconds: 70.175438 unlinks/second
 - open/close 716 (time 1787127064.09 total 10.01 last 71.53)
 - open/close 1419 (time 1787127074.09 total 20.01 last 70.29)
 - open/close 2153 (time 1787127084.10 total 30.02 last 73.36)
 - open/close 2876 (time 1787127094.11 total 40.03 last 72.22)
 - open/close 3595 (time 1787127104.11 total 50.03 last 71.87)
 - open/close 4311 (time 1787127114.12 total 60.03 last 71.58)
 - open/close 5073 (time 1787127124.12 total 70.04 last 76.18)
 - open/close 5820 (time 1787127134.12 total 80.04 last 74.70)
 - open/close 6532 (time 1787127144.14 total 90.05 last 71.10)
 - open/close 7226 (time 1787127154.14 total 100.06 last 69.35)
 - open/close 7872 (time 1787127164.15 total 110.07 last 64.54)
total: 8000 open/close in 111.99 seconds: 71.44 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 92 seconds
lru_size = 8005
ls -la is 49% faster with lru resize enabled
 - unlinked 0 (time 1787127282 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second