== sanity test 124b: lru resize (performance test) ================================================================================= 22:17:52 (1763090272)
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 1989 (time 1763090285.72 total 10.00 last 198.85)
 - open/close 4041 (time 1763090295.72 total 20.01 last 205.14)
 - open/close 6046 (time 1763090305.73 total 30.01 last 200.43)
total: 8000 open/close in 39.71 seconds: 201.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 115 seconds
lru_size = 400
400
 - unlinked 0 (time 1763090435 ; total 0 ; last 0)
total: 8000 unlinks in 39 seconds: 205.128204 unlinks/second
striped dir -i0 -c2 -H all_char /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2005 (time 1763090487.30 total 10.00 last 200.43)
 - open/close 4056 (time 1763090497.30 total 20.00 last 205.08)
 - open/close 6085 (time 1763090507.30 total 30.01 last 202.86)
total: 8000 open/close in 39.37 seconds: 203.19 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 85 seconds
lru_size = 4006
4001
ls -la is 26% faster with lru resize enabled
 - unlinked 0 (time 1763090612 ; total 0 ; last 0)
total: 8000 unlinks in 21 seconds: 380.952393 unlinks/second