== sanity test 124b: lru resize (performance test) ================================================================================= 21:46:50 (1746150410)
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 1520 (time 1746150423.04 total 10.00 last 151.99)
 - open/close 3267 (time 1746150433.04 total 20.00 last 174.63)
 - open/close 4764 (time 1746150443.05 total 30.01 last 149.64)
 - open/close 6242 (time 1746150453.05 total 40.02 last 147.70)
 - open/close 7649 (time 1746150463.06 total 50.02 last 140.59)
total: 8000 open/close in 52.45 seconds: 152.53 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 1746150545 ; total 0 ; last 0)
total: 8000 unlinks in 39 seconds: 205.128204 unlinks/second
striped dir -i0 -c2 -H crush /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1381 (time 1746150596.48 total 10.01 last 138.02)
 - open/close 2786 (time 1746150606.48 total 20.01 last 140.46)
 - open/close 4197 (time 1746150616.48 total 30.01 last 141.04)
 - open/close 5617 (time 1746150626.50 total 40.02 last 141.85)
 - open/close 7020 (time 1746150636.50 total 50.02 last 140.30)
total: 8000 open/close in 56.74 seconds: 141.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 29 seconds
lru_size = 4052
3955
ls -la is 61% faster with lru resize enabled
 - unlinked 0 (time 1746150680 ; total 0 ; last 0)
total: 8000 unlinks in 32 seconds: 250.000000 unlinks/second