== sanity test 124b: lru resize (performance test) ================================================================================= 11:21:50 (1761319310)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9d117b410800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff9d117b410800.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 981 (time 1761319323.30 total 10.01 last 98.04)
 - open/close 2020 (time 1761319333.30 total 20.01 last 103.87)
 - open/close 3004 (time 1761319343.31 total 30.01 last 98.36)
 - open/close 3976 (time 1761319353.31 total 40.02 last 97.15)
 - open/close 4985 (time 1761319363.32 total 50.02 last 100.84)
 - open/close 5968 (time 1761319373.32 total 60.03 last 98.23)
 - open/close 7002 (time 1761319383.33 total 70.03 last 103.37)
total: 8000 open/close in 79.52 seconds: 100.60 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 400
400
 - unlinked 0 (time 1761319446 ; total 0 ; last 0)
total: 8000 unlinks in 55 seconds: 145.454544 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9d117b410800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff9d117b410800.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1342 (time 1761319513.22 total 10.00 last 134.16)
 - open/close 2853 (time 1761319523.22 total 20.01 last 151.06)
 - open/close 4333 (time 1761319533.22 total 30.01 last 147.93)
 - open/close 5997 (time 1761319543.23 total 40.02 last 166.31)
 - open/close 7494 (time 1761319553.23 total 50.02 last 149.68)
total: 8000 open/close in 53.44 seconds: 149.70 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4006
4001
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1761319573 ; total 0 ; last 0)
total: 8000 unlinks in 48 seconds: 166.666672 unlinks/second