== sanity test 124b: lru resize (performance test) ================================================================================= 00:05:40 (1767330340)
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 2888 (time 1767330353.13 total 10.00 last 288.80)
 - open/close 5174 (time 1767330363.13 total 20.00 last 228.59)
 - open/close 7389 (time 1767330373.13 total 30.00 last 221.49)
total: 8000 open/close in 32.99 seconds: 242.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 400
400
 - unlinked 0 (time 1767330466 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second
striped dir -i0 -c2 -H crush2 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2550 (time 1767330509.80 total 10.00 last 254.92)
 - open/close 4774 (time 1767330519.80 total 20.01 last 222.34)
 - open/close 7056 (time 1767330529.80 total 30.01 last 228.15)
total: 8000 open/close in 34.39 seconds: 232.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 64 seconds
lru_size = 4052
3955
ls -la is 24% faster with lru resize enabled
 - unlinked 0 (time 1767330609 ; total 0 ; last 0)
total: 8000 unlinks in 20 seconds: 400.000000 unlinks/second