== sanity test 124b: lru resize (performance test) ================================================================================= 11:01:48 (1761318108)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9b0788eac000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9b0788eac000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 912 (time 1761318120.77 total 10.01 last 91.15)
 - open/close 1776 (time 1761318130.78 total 20.01 last 86.36)
 - open/close 2602 (time 1761318140.78 total 30.02 last 82.55)
 - open/close 3571 (time 1761318150.79 total 40.02 last 96.89)
 - open/close 4473 (time 1761318160.80 total 50.03 last 90.09)
 - open/close 5372 (time 1761318170.81 total 60.04 last 89.81)
 - open/close 6244 (time 1761318180.82 total 70.05 last 87.14)
 - open/close 7141 (time 1761318190.82 total 80.05 last 89.65)
total: 8000 open/close in 88.74 seconds: 90.15 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 68 seconds
lru_size = 400
400
 - unlinked 0 (time 1761318272 ; total 0 ; last 0)
total: 8000 unlinks in 84 seconds: 95.238098 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9b0788eac000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9b0788eac000.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 993 (time 1761318369.98 total 10.01 last 99.16)
 - open/close 1852 (time 1761318379.98 total 20.02 last 85.82)
 - open/close 2753 (time 1761318389.99 total 30.03 last 90.05)
 - open/close 3701 (time 1761318400.00 total 40.03 last 94.75)
 - open/close 4558 (time 1761318410.00 total 50.04 last 85.65)
 - open/close 5374 (time 1761318420.01 total 60.05 last 81.49)
 - open/close 6303 (time 1761318430.02 total 70.06 last 92.84)
 - open/close 7230 (time 1761318440.02 total 80.06 last 92.69)
total: 8000 open/close in 88.58 seconds: 90.31 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 24 seconds
lru_size = 4052
3955
ls -la is 64% faster with lru resize enabled
 - unlinked 0 (time 1761318480 ; total 0 ; last 0)
total: 8000 unlinks in 47 seconds: 170.212769 unlinks/second