== sanity test 124b: lru resize (performance test) ================================================================================= 14:06:21 (1709060781)
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012a47e000.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012a47e000.lru_size=400
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1806 (time 1709060793.44 total 10.00 last 180.58)
 - open/close 3321 (time 1709060813.59 total 30.14 last 75.21)
 - open/close 4847 (time 1709060823.59 total 40.15 last 152.58)
 - open/close 5803 (time 1709060840.01 total 56.57 last 58.22)
 - open/close 7240 (time 1709060850.01 total 66.57 last 143.64)
total: 8000 open/close in 71.07 seconds: 112.57 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 58 seconds
lru_size = 400
400
 - unlinked 0 (time 1709060915 ; total 0 ; last 0)
total: 8000 unlinks in 43 seconds: 186.046509 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff88012a47e000.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff88012a47e000.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1842 (time 1709060969.79 total 10.00 last 184.11)
 - open/close 3591 (time 1709060979.79 total 20.00 last 174.90)
 - open/close 5536 (time 1709060989.79 total 30.01 last 194.49)
 - open/close 7127 (time 1709060999.80 total 40.01 last 159.06)
total: 8000 open/close in 45.91 seconds: 174.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 14 seconds
lru_size = 4052
3955
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1709061024 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second