== sanity test 124b: lru resize (performance test) ================================================================================= 12:03:22 (1761321802)
ldlm.namespaces.lustre-MDT0000-mdc-ffff9918c5472000.lru_size=400
 - open/close 1335 (time 1761321814.88 total 10.00 last 133.48)
 - open/close 3070 (time 1761321824.88 total 20.01 last 173.44)
 - open/close 4621 (time 1761321834.89 total 30.01 last 155.05)
 - open/close 6069 (time 1761321844.89 total 40.01 last 144.73)
 - open/close 7384 (time 1761321854.90 total 50.02 last 131.41)
total: 8000 open/close in 54.45 seconds: 146.94 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 34 seconds
lru_size = 400
 - unlinked 0 (time 1761321897 ; total 0 ; last 0)
total: 8000 unlinks in 42 seconds: 190.476196 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff9918c5472000.lru_size=0
 - open/close 1420 (time 1761321951.62 total 10.01 last 141.91)
 - open/close 2846 (time 1761321961.62 total 20.01 last 142.56)
 - open/close 4215 (time 1761321971.62 total 30.01 last 136.88)
 - open/close 5916 (time 1761321981.62 total 40.01 last 170.08)
 - open/close 7470 (time 1761321991.63 total 50.02 last 155.29)
total: 8000 open/close in 53.56 seconds: 149.36 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 14 seconds
lru_size = 8005
ls -la is 58% faster with lru resize enabled
 - unlinked 0 (time 1761322014 ; total 0 ; last 0)
total: 8000 unlinks in 25 seconds: 320.000000 unlinks/second