== sanity test 124b: lru resize (performance test) ================================================================================= 05:07:41 (1785229661)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 730 (time 1785229675.94 total 10.00 last 72.97)
 - open/close 1405 (time 1785229685.94 total 20.01 last 67.46)
 - open/close 1909 (time 1785229695.96 total 30.03 last 50.31)
 - open/close 2582 (time 1785229705.96 total 40.03 last 67.27)
 - open/close 3325 (time 1785229715.98 total 50.05 last 74.17)
 - open/close 3879 (time 1785229725.99 total 60.06 last 55.34)
 - open/close 4368 (time 1785229736.00 total 70.07 last 48.85)
 - open/close 4984 (time 1785229746.01 total 80.08 last 61.54)
 - open/close 5566 (time 1785229756.04 total 90.11 last 58.04)
 - open/close 6207 (time 1785229766.05 total 100.12 last 64.06)
 - open/close 6881 (time 1785229776.05 total 110.12 last 67.37)
 - open/close 7665 (time 1785229786.06 total 120.13 last 78.35)
total: 8000 open/close in 125.00 seconds: 64.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 186 seconds
lru_size = 400
 - unlinked 0 (time 1785229988 ; total 0 ; last 0)
total: 8000 unlinks in 123 seconds: 65.040649 unlinks/second
 - open/close 632 (time 1785230127.78 total 10.01 last 63.14)
 - open/close 1368 (time 1785230137.80 total 20.03 last 73.45)
 - open/close 2076 (time 1785230147.81 total 30.04 last 70.76)
 - open/close 2583 (time 1785230157.83 total 40.06 last 50.57)
 - open/close 3044 (time 1785230167.84 total 50.07 last 46.06)
 - open/close 3585 (time 1785230177.85 total 60.08 last 54.04)
 - open/close 4235 (time 1785230187.87 total 70.09 last 64.92)
 - open/close 4938 (time 1785230197.89 total 80.12 last 70.15)
 - open/close 5565 (time 1785230207.93 total 90.16 last 62.45)
 - open/close 6226 (time 1785230217.94 total 100.16 last 66.05)
 - open/close 6963 (time 1785230227.94 total 110.17 last 73.69)
 - open/close 7717 (time 1785230237.94 total 120.17 last 75.37)
total: 8000 open/close in 124.24 seconds: 64.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 96 seconds
lru_size = 8005
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1785230363 ; total 0 ; last 0)
total: 8000 unlinks in 76 seconds: 105.263161 unlinks/second