== sanity test 124b: lru resize (performance test) ================================================================================= 12:00:27 (1790956827)
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 1020 (time 1790956841.02 total 10.01 last 101.94)
 - open/close 2034 (time 1790956851.03 total 20.01 last 101.31)
 - open/close 2987 (time 1790956861.03 total 30.01 last 95.30)
 - open/close 4086 (time 1790956871.04 total 40.02 last 109.83)
 - open/close 5217 (time 1790956881.04 total 50.02 last 113.08)
 - open/close 6252 (time 1790956891.06 total 60.04 last 103.35)
 - open/close 7217 (time 1790956901.06 total 70.05 last 96.42)
total: 8000 open/close in 78.62 seconds: 101.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 106 seconds
lru_size = 400
400
 - unlinked 0 (time 1790957022 ; total 0 ; last 0)
total: 8000 unlinks in 43 seconds: 186.046509 unlinks/second
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 1090 (time 1790957077.86 total 10.00 last 108.98)
 - open/close 2151 (time 1790957087.86 total 20.00 last 106.10)
 - open/close 3093 (time 1790957097.86 total 30.00 last 94.19)
 - open/close 4042 (time 1790957107.87 total 40.01 last 94.86)
 - open/close 5078 (time 1790957117.87 total 50.02 last 103.51)
 - open/close 6105 (time 1790957127.88 total 60.02 last 102.64)
 - open/close 7157 (time 1790957137.89 total 70.03 last 105.14)
total: 8000 open/close in 77.86 seconds: 102.75 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 49% faster with lru resize enabled
 - unlinked 0 (time 1790957211 ; total 0 ; last 0)
total: 8000 unlinks in 36 seconds: 222.222229 unlinks/second