== sanity test 124b: lru resize (performance test) ================================================================================= 04:55:23 (1711097723)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012a529000.lru_size=400
 - open/close 614 (time 1711097741.29 total 15.50 last 39.62)
 - open/close 2052 (time 1711097751.29 total 25.50 last 143.76)
 - open/close 3381 (time 1711097761.30 total 35.50 last 132.86)
 - open/close 4057 (time 1711097777.56 total 51.76 last 41.58)
 - open/close 5607 (time 1711097787.56 total 61.76 last 154.99)
 - open/close 6975 (time 1711097797.57 total 71.77 last 136.71)
 - open/close 7841 (time 1711097814.35 total 88.56 last 51.59)
total: 8000 open/close in 89.66 seconds: 89.23 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 140 seconds
lru_size = 400
 - unlinked 0 (time 1711097959 ; total 0 ; last 0)
total: 8000 unlinks in 54 seconds: 148.148148 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012a529000.lru_size=0
 - open/close 1290 (time 1711098025.49 total 10.00 last 128.94)
 - open/close 1535 (time 1711098038.96 total 23.48 last 18.18)
 - open/close 2789 (time 1711098048.97 total 33.49 last 125.35)
 - open/close 3966 (time 1711098058.98 total 43.50 last 117.59)
 - open/close 4440 (time 1711098074.15 total 58.67 last 31.23)
 - open/close 5500 (time 1711098084.16 total 68.68 last 105.92)
 - open/close 5689 (time 1711098097.32 total 81.84 last 14.36)
 - open/close 6611 (time 1711098107.33 total 91.84 last 92.17)
 - open/close 7171 (time 1711098124.11 total 108.63 last 33.36)
 - open/close 7323 (time 1711098136.78 total 121.30 last 12.00)
total: 8000 open/close in 128.54 seconds: 62.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 8005
ls -la is 65% faster with lru resize enabled
 - unlinked 0 (time 1711098203 ; total 0 ; last 0)
total: 8000 unlinks in 51 seconds: 156.862747 unlinks/second