== sanity test 124b: lru resize (performance test) ================================================================================= 09:38:24 (1789306704)
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 2240 (time 1789306715.96 total 10.00 last 223.93)
 - open/close 4203 (time 1789306725.96 total 20.01 last 196.20)
 - open/close 6721 (time 1789306735.96 total 30.01 last 251.78)
total: 8000 open/close in 35.56 seconds: 225.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 75 seconds
lru_size = 400
400
 - unlinked 0 (time 1789306820 ; total 0 ; last 0)
total: 8000 unlinks in 19 seconds: 421.052643 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 2867 (time 1789306851.13 total 10.00 last 286.61)
 - open/close 5405 (time 1789306861.14 total 20.01 last 253.69)
total: 8000 open/close in 28.64 seconds: 279.28 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 47 seconds
lru_size = 4052
3955
ls -la is 37% faster with lru resize enabled
 - unlinked 0 (time 1789306924 ; total 0 ; last 0)
total: 8000 unlinks in 18 seconds: 444.444458 unlinks/second