== sanity test 124b: lru resize (performance test) ================================================================================= 02:39:49 (1732433989)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 5336 (time 1732434001.20 total 10.00 last 533.47)
total: 8000 open/close in 15.91 seconds: 502.78 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 48 seconds
lru_size = 400
400
 - unlinked 0 (time 1732434056 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 5131 (time 1732434083.31 total 10.00 last 513.06)
total: 8000 open/close in 15.71 seconds: 509.21 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 11 seconds
lru_size = 4052
3955
ls -la is 77% faster with lru resize enabled
 - unlinked 0 (time 1732434104 ; total 0 ; last 0)
total: 8000 unlinks in 9 seconds: 888.888916 unlinks/second