== sanity test 124b: lru resize (performance test) ================================================================================= 20:29:07 (1712017747)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88007a72f000.lru_size=400
 - open/close 1523 (time 1712017759.60 total 10.00 last 152.24)
 - open/close 2914 (time 1712017769.61 total 20.01 last 139.03)
 - open/close 4280 (time 1712017779.61 total 30.01 last 136.57)
 - open/close 6098 (time 1712017789.61 total 40.02 last 181.69)
 - open/close 6766 (time 1712017804.99 total 55.40 last 43.43)
total: 8000 open/close in 64.45 seconds: 124.13 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 135 seconds
lru_size = 400
 - unlinked 0 (time 1712017952 ; total 0 ; last 0)
total: 8000 unlinks in 52 seconds: 153.846161 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88007a72f000.lru_size=0
 - open/close 1456 (time 1712018015.71 total 10.00 last 145.57)
 - open/close 1824 (time 1712018029.76 total 24.05 last 26.20)
 - open/close 3291 (time 1712018039.76 total 34.05 last 146.63)
 - open/close 4388 (time 1712018049.76 total 44.06 last 109.69)
 - open/close 5160 (time 1712018069.08 total 63.37 last 39.96)
 - open/close 6159 (time 1712018079.09 total 73.38 last 99.86)
 - open/close 7387 (time 1712018089.09 total 83.38 last 122.73)
total: 8000 open/close in 88.81 seconds: 90.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 34 seconds
lru_size = 8005
ls -la is 74% faster with lru resize enabled
 - unlinked 0 (time 1712018137 ; total 0 ; last 0)
total: 8000 unlinks in 46 seconds: 173.913040 unlinks/second