== sanity test 124b: lru resize (performance test) ================================================================================= 17:39:12 (1746135552)
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 1522 (time 1746135565.20 total 10.01 last 152.11)
 - open/close 2989 (time 1746135575.20 total 20.01 last 146.68)
 - open/close 4590 (time 1746135585.21 total 30.01 last 159.98)
 - open/close 6123 (time 1746135595.21 total 40.02 last 153.25)
 - open/close 7564 (time 1746135605.22 total 50.02 last 144.07)
total: 8000 open/close in 52.59 seconds: 152.11 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 76 seconds
lru_size = 400
400
 - unlinked 0 (time 1746135688 ; total 0 ; last 0)
total: 8000 unlinks in 29 seconds: 275.862061 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1563 (time 1746135729.14 total 10.01 last 156.20)
 - open/close 3087 (time 1746135739.14 total 20.01 last 152.37)
 - open/close 4644 (time 1746135749.15 total 30.02 last 155.59)
 - open/close 6197 (time 1746135759.15 total 40.02 last 155.22)
 - open/close 7479 (time 1746135769.16 total 50.03 last 128.11)
total: 8000 open/close in 53.43 seconds: 149.72 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 28 seconds
lru_size = 4052
3955
ls -la is 63% faster with lru resize enabled
 - unlinked 0 (time 1746135808 ; total 0 ; last 0)
total: 8000 unlinks in 31 seconds: 258.064514 unlinks/second