== sanity test 124b: lru resize (performance test) ================================================================================= 01:30:50 (1780983050)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9354d045a000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9354d045a000.lru_size=400
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 801 (time 1780983064.99 total 10.00 last 80.06)
 - open/close 1612 (time 1780983075.03 total 20.04 last 80.79)
 - open/close 2514 (time 1780983085.04 total 30.05 last 90.14)
 - open/close 3411 (time 1780983095.05 total 40.06 last 89.65)
 - open/close 4278 (time 1780983105.05 total 50.06 last 86.65)
 - open/close 5116 (time 1780983115.06 total 60.07 last 83.72)
 - open/close 5895 (time 1780983125.07 total 70.08 last 77.87)
 - open/close 6560 (time 1780983135.07 total 80.08 last 66.48)
 - open/close 7244 (time 1780983145.07 total 90.08 last 68.36)
total: 8000 open/close in 98.82 seconds: 80.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 400
400
 - unlinked 0 (time 1780983261 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9354d045a000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9354d045a000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 792 (time 1780983383.26 total 10.01 last 79.14)
 - open/close 1414 (time 1780983393.27 total 20.01 last 62.17)
 - open/close 2216 (time 1780983403.27 total 30.02 last 80.14)
 - open/close 3047 (time 1780983413.28 total 40.02 last 83.07)
 - open/close 3837 (time 1780983423.31 total 50.06 last 78.76)
 - open/close 4491 (time 1780983433.32 total 60.06 last 65.35)
 - open/close 5105 (time 1780983443.32 total 70.07 last 61.37)
 - open/close 5739 (time 1780983453.33 total 80.07 last 63.37)
 - open/close 6621 (time 1780983463.34 total 90.08 last 88.12)
 - open/close 7362 (time 1780983473.35 total 100.09 last 74.01)
 - open/close 7862 (time 1780983483.36 total 110.11 last 49.92)
total: 8000 open/close in 112.97 seconds: 70.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 51 seconds
lru_size = 4006
4001
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1780983552 ; total 0 ; last 0)
total: 8000 unlinks in 62 seconds: 129.032257 unlinks/second