== sanity test 124b: lru resize (performance test) ================================================================================= 05:20:19 (1787390419)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 706 (time 1787390433.26 total 10.00 last 70.58)
 - open/close 1524 (time 1787390443.27 total 20.01 last 81.76)
 - open/close 2342 (time 1787390453.27 total 30.01 last 81.79)
 - open/close 3154 (time 1787390463.27 total 40.01 last 81.16)
 - open/close 3942 (time 1787390473.28 total 50.02 last 78.77)
 - open/close 4664 (time 1787390483.28 total 60.02 last 72.16)
 - open/close 5387 (time 1787390493.29 total 70.03 last 72.26)
 - open/close 6131 (time 1787390503.29 total 80.03 last 74.38)
 - open/close 6873 (time 1787390513.31 total 90.05 last 74.10)
 - open/close 7591 (time 1787390523.31 total 100.05 last 71.74)
total: 8000 open/close in 105.52 seconds: 75.82 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
 - unlinked 0 (time 1787390702 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 771 (time 1787390830.50 total 10.02 last 76.92)
 - open/close 1520 (time 1787390840.50 total 20.02 last 74.90)
 - open/close 2156 (time 1787390850.50 total 30.03 last 63.55)
 - open/close 2903 (time 1787390860.51 total 40.04 last 74.62)
 - open/close 3598 (time 1787390870.52 total 50.05 last 69.45)
 - open/close 4363 (time 1787390880.53 total 60.06 last 76.43)
 - open/close 5160 (time 1787390890.54 total 70.06 last 79.64)
 - open/close 5862 (time 1787390900.54 total 80.07 last 70.15)
 - open/close 6628 (time 1787390910.56 total 90.09 last 76.49)
 - open/close 7366 (time 1787390920.57 total 100.09 last 73.74)
total: 8000 open/close in 108.80 seconds: 73.53 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 49% faster with lru resize enabled
 - unlinked 0 (time 1787391033 ; total 0 ; last 0)
total: 8000 unlinks in 81 seconds: 98.765434 unlinks/second