== sanity test 124b: lru resize (performance test) ================================================================================= 11:56:18 (1761321378)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8f54e0ee0000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8f54e0ee0000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1490 (time 1761321390.73 total 10.01 last 148.91)
 - open/close 2975 (time 1761321400.73 total 20.01 last 148.48)
 - open/close 4511 (time 1761321410.73 total 30.01 last 153.57)
 - open/close 5681 (time 1761321420.74 total 40.01 last 116.97)
 - open/close 6899 (time 1761321430.75 total 50.02 last 121.69)
total: 8000 open/close in 59.26 seconds: 135.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 33 seconds
lru_size = 400
400
 - unlinked 0 (time 1761321476 ; total 0 ; last 0)
total: 8000 unlinks in 47 seconds: 170.212769 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8f54e0ee0000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8f54e0ee0000.lru_size=0
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1373 (time 1761321535.21 total 10.00 last 137.26)
 - open/close 3010 (time 1761321545.22 total 20.01 last 163.59)
 - open/close 4356 (time 1761321555.23 total 30.02 last 134.47)
 - open/close 5559 (time 1761321565.23 total 40.02 last 120.29)
 - open/close 6989 (time 1761321575.23 total 50.02 last 142.97)
total: 8000 open/close in 56.42 seconds: 141.80 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 18 seconds
lru_size = 4006
4001
ls -la is 45% faster with lru resize enabled
 - unlinked 0 (time 1761321605 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second