== sanity test 124b: lru resize (performance test) ================================================================================= 09:51:35 (1787838695)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 693 (time 1787838709.79 total 10.01 last 69.24)
 - open/close 1387 (time 1787838719.79 total 20.02 last 69.34)
 - open/close 2154 (time 1787838729.80 total 30.03 last 76.64)
 - open/close 2988 (time 1787838739.80 total 40.03 last 83.39)
 - open/close 3805 (time 1787838749.82 total 50.04 last 81.56)
 - open/close 4637 (time 1787838759.82 total 60.04 last 83.19)
 - open/close 5350 (time 1787838769.83 total 70.05 last 71.24)
 - open/close 6107 (time 1787838779.85 total 80.07 last 75.55)
 - open/close 6959 (time 1787838789.85 total 90.07 last 85.20)
 - open/close 7818 (time 1787838799.86 total 100.08 last 85.85)
total: 8000 open/close in 102.54 seconds: 78.02 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 178 seconds
lru_size = 400
 - unlinked 0 (time 1787838989 ; total 0 ; last 0)
total: 8000 unlinks in 106 seconds: 75.471695 unlinks/second
 - open/close 822 (time 1787839111.27 total 10.01 last 82.16)
 - open/close 1587 (time 1787839121.28 total 20.01 last 76.45)
 - open/close 2317 (time 1787839131.29 total 30.03 last 72.88)
 - open/close 3074 (time 1787839141.30 total 40.03 last 75.65)
 - open/close 3879 (time 1787839151.31 total 50.05 last 80.38)
 - open/close 4694 (time 1787839161.32 total 60.05 last 81.48)
 - open/close 5414 (time 1787839171.32 total 70.05 last 71.99)
 - open/close 6180 (time 1787839181.32 total 80.06 last 76.56)
 - open/close 6947 (time 1787839191.32 total 90.06 last 76.70)
 - open/close 7692 (time 1787839201.34 total 100.07 last 74.40)
total: 8000 open/close in 103.57 seconds: 77.24 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1787839314 ; total 0 ; last 0)
total: 8000 unlinks in 78 seconds: 102.564102 unlinks/second