== sanity test 124b: lru resize (performance test) ================================================================================= 20:13:08 (1786839188)
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 3072 (time 1786839200.42 total 10.00 last 307.12)
 - open/close 5511 (time 1786839210.43 total 20.00 last 243.85)
 - open/close 7790 (time 1786839220.43 total 30.01 last 227.88)
total: 8000 open/close in 30.91 seconds: 258.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 77 seconds
lru_size = 400
400
 - unlinked 0 (time 1786839301 ; total 0 ; last 0)
total: 8000 unlinks in 15 seconds: 533.333313 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 3968 (time 1786839327.64 total 10.00 last 396.73)
total: 8000 open/close in 19.92 seconds: 401.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 54 seconds
lru_size = 4006
4001
ls -la is 29% faster with lru resize enabled
 - unlinked 0 (time 1786839399 ; total 0 ; last 0)
total: 8000 unlinks in 16 seconds: 500.000000 unlinks/second