== sanity test 124b: lru resize (performance test) ================================================================================= 16:47:21 (1746132441)
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 1443 (time 1746132453.53 total 10.00 last 144.29)
 - open/close 2817 (time 1746132463.54 total 20.00 last 137.37)
 - open/close 4147 (time 1746132473.54 total 30.01 last 132.89)
 - open/close 5486 (time 1746132483.55 total 40.01 last 133.89)
 - open/close 6696 (time 1746132493.55 total 50.02 last 120.93)
 - open/close 7875 (time 1746132503.57 total 60.04 last 117.68)
total: 8000 open/close in 61.08 seconds: 130.97 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 89 seconds
lru_size = 400
400
 - unlinked 0 (time 1746132598 ; total 0 ; last 0)
total: 8000 unlinks in 43 seconds: 186.046509 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1523 (time 1746132653.68 total 10.00 last 152.25)
 - open/close 2961 (time 1746132663.69 total 20.01 last 143.69)
 - open/close 4422 (time 1746132673.69 total 30.01 last 146.05)
 - open/close 5936 (time 1746132683.70 total 40.02 last 151.35)
 - open/close 7526 (time 1746132693.70 total 50.02 last 159.00)
total: 8000 open/close in 52.98 seconds: 151.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 22 seconds
lru_size = 4052
3955
ls -la is 75% faster with lru resize enabled
 - unlinked 0 (time 1746132726 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second