== sanity test 124b: lru resize (performance test) ================================================================================= 01:03:23 (1777007003)
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 1501 (time 1777007016.01 total 10.00 last 150.08)
 - open/close 3005 (time 1777007026.01 total 20.00 last 150.35)
 - open/close 4356 (time 1777007036.02 total 30.01 last 135.01)
 - open/close 5630 (time 1777007046.03 total 40.02 last 127.32)
 - open/close 6944 (time 1777007056.03 total 50.02 last 131.32)
total: 8000 open/close in 56.98 seconds: 140.41 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 97 seconds
lru_size = 400
400
 - unlinked 0 (time 1777007164 ; total 0 ; last 0)
total: 8000 unlinks in 57 seconds: 140.350876 unlinks/second
striped dir -i0 -c2 -H crush  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1430 (time 1777007234.22 total 10.00 last 142.99)
 - open/close 2926 (time 1777007244.22 total 20.00 last 149.59)
 - open/close 4341 (time 1777007254.23 total 30.01 last 141.42)
 - open/close 5750 (time 1777007264.23 total 40.01 last 140.86)
 - open/close 7343 (time 1777007274.23 total 50.01 last 159.27)
total: 8000 open/close in 54.04 seconds: 148.04 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 45 seconds
lru_size = 4052
3955
ls -la is 53% faster with lru resize enabled
 - unlinked 0 (time 1777007333 ; total 0 ; last 0)
total: 8000 unlinks in 33 seconds: 242.424240 unlinks/second