== sanity test 124b: lru resize (performance test) ================================================================================= 13:37:49 (1787852269)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 814 (time 1787852284.27 total 10.01 last 81.30)
 - open/close 1622 (time 1787852294.27 total 20.01 last 80.80)
 - open/close 2434 (time 1787852304.29 total 30.03 last 81.03)
 - open/close 3193 (time 1787852314.29 total 40.04 last 75.87)
 - open/close 3930 (time 1787852324.30 total 50.05 last 73.64)
 - open/close 4720 (time 1787852334.32 total 60.06 last 78.89)
 - open/close 5518 (time 1787852344.33 total 70.07 last 79.73)
 - open/close 6305 (time 1787852354.33 total 80.08 last 78.66)
 - open/close 7003 (time 1787852364.35 total 90.10 last 69.63)
 - open/close 7646 (time 1787852374.36 total 100.10 last 64.26)
total: 8000 open/close in 105.14 seconds: 76.09 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 173 seconds
lru_size = 400
 - unlinked 0 (time 1787852566 ; total 0 ; last 0)
total: 8000 unlinks in 120 seconds: 66.666664 unlinks/second
 - open/close 716 (time 1787852702.68 total 10.00 last 71.57)
 - open/close 1414 (time 1787852712.68 total 20.01 last 69.76)
 - open/close 2237 (time 1787852722.68 total 30.01 last 82.30)
 - open/close 3027 (time 1787852732.69 total 40.02 last 78.94)
 - open/close 3848 (time 1787852742.69 total 50.02 last 82.10)
 - open/close 4637 (time 1787852752.70 total 60.03 last 78.82)
 - open/close 5439 (time 1787852762.70 total 70.03 last 80.16)
 - open/close 6190 (time 1787852772.73 total 80.06 last 74.91)
 - open/close 6913 (time 1787852782.75 total 90.07 last 72.17)
 - open/close 7627 (time 1787852792.75 total 100.08 last 71.36)
total: 8000 open/close in 104.62 seconds: 76.47 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 82 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1787852901 ; total 0 ; last 0)
total: 8000 unlinks in 66 seconds: 121.212120 unlinks/second