== sanity test 124b: lru resize (performance test) ================================================================================= 20:14:43 (1746144883)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 1438 (time 1746144895.72 total 10.00 last 143.73)
 - open/close 2980 (time 1746144905.73 total 20.01 last 154.09)
 - open/close 4468 (time 1746144915.73 total 30.01 last 148.79)
 - open/close 5922 (time 1746144925.74 total 40.02 last 145.29)
 - open/close 7321 (time 1746144935.74 total 50.02 last 139.90)
total: 8000 open/close in 54.76 seconds: 146.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 78 seconds
lru_size = 400
400
 - unlinked 0 (time 1746145023 ; total 0 ; last 0)
total: 8000 unlinks in 37 seconds: 216.216217 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1503 (time 1746145072.24 total 10.01 last 150.09)
 - open/close 2964 (time 1746145082.24 total 20.02 last 146.08)
 - open/close 4746 (time 1746145092.24 total 30.02 last 178.19)
 - open/close 6433 (time 1746145102.24 total 40.02 last 168.68)
 - open/close 7959 (time 1746145112.24 total 50.02 last 152.60)
total: 8000 open/close in 50.30 seconds: 159.05 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 23 seconds
lru_size = 4006
4001
ls -la is 70% faster with lru resize enabled
 - unlinked 0 (time 1746145143 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second