== sanity test 124b: lru resize (performance test) ================================================================================= 23:49:35 (1718855375)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012b09f000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012b09f000.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2361 (time 1718855386.96 total 10.00 last 236.02)
 - open/close 4807 (time 1718855396.96 total 20.01 last 244.52)
 - open/close 7239 (time 1718855406.97 total 30.01 last 243.16)
total: 8000 open/close in 33.15 seconds: 241.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 44 seconds
lru_size = 400
400
 - unlinked 0 (time 1718855457 ; total 0 ; last 0)
total: 8000 unlinks in 28 seconds: 285.714294 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012b09f000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012b09f000.lru_size=0
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2507 (time 1718855497.41 total 10.00 last 250.67)
 - open/close 5474 (time 1718855507.41 total 20.00 last 296.63)
 - open/close 7889 (time 1718855517.41 total 30.00 last 241.48)
total: 8000 open/close in 30.25 seconds: 264.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 10 seconds
lru_size = 4052
3955
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1718855531 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second