== sanity test 124b: lru resize (performance test) ================================================================================= 09:26:24 (1724765184)
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a9ec1800.lru_size=400
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a9ec1800.lru_size=400
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 2447 (time 1724765196.00 total 10.00 last 244.59)
 - open/close 4747 (time 1724765206.01 total 20.01 last 229.92)
 - open/close 7067 (time 1724765216.01 total 30.01 last 231.94)
total: 8000 open/close in 34.08 seconds: 234.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 49 seconds
lru_size = 400
400
 - unlinked 0 (time 1724765271 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second
ldlm.namespaces.lustre-MDT0000-mdc-ffff8800a9ec1800.lru_size=0
ldlm.namespaces.lustre-MDT0001-mdc-ffff8800a9ec1800.lru_size=0
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2356 (time 1724765315.57 total 10.00 last 235.50)
 - open/close 4923 (time 1724765325.57 total 20.01 last 256.60)
 - open/close 7786 (time 1724765335.57 total 30.01 last 286.27)
total: 8000 open/close in 30.89 seconds: 258.98 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 9 seconds
lru_size = 4052
3955
ls -la is 81% faster with lru resize enabled
 - unlinked 0 (time 1724765349 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second