== sanity test 124b: lru resize (performance test) ================================================================================= 23:51:43 (1781236303)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 731 (time 1781236318.47 total 10.00 last 73.08)
 - open/close 1476 (time 1781236328.47 total 20.00 last 74.49)
 - open/close 2296 (time 1781236338.48 total 30.02 last 81.90)
 - open/close 2958 (time 1781236348.48 total 40.02 last 66.17)
 - open/close 3702 (time 1781236358.49 total 50.02 last 74.39)
 - open/close 4410 (time 1781236368.49 total 60.02 last 70.80)
 - open/close 5328 (time 1781236378.50 total 70.04 last 91.68)
 - open/close 6145 (time 1781236388.51 total 80.05 last 81.58)
 - open/close 6949 (time 1781236398.53 total 90.06 last 80.29)
 - open/close 7749 (time 1781236408.53 total 100.07 last 79.94)
total: 8000 open/close in 103.60 seconds: 77.22 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 192 seconds
lru_size = 400
 - unlinked 0 (time 1781236614 ; total 0 ; last 0)
total: 8000 unlinks in 108 seconds: 74.074074 unlinks/second
 - open/close 651 (time 1781236737.56 total 10.02 last 64.95)
 - open/close 1234 (time 1781236747.57 total 20.03 last 58.26)
 - open/close 1980 (time 1781236757.57 total 30.03 last 74.59)
 - open/close 2680 (time 1781236767.59 total 40.05 last 69.87)
 - open/close 3426 (time 1781236777.61 total 50.07 last 74.43)
 - open/close 4265 (time 1781236787.64 total 60.10 last 83.67)
 - open/close 4907 (time 1781236797.64 total 70.10 last 64.18)
 - open/close 5606 (time 1781236807.64 total 80.10 last 69.88)
 - open/close 6368 (time 1781236817.66 total 90.12 last 76.10)
 - open/close 7199 (time 1781236827.66 total 100.12 last 83.08)
 - open/close 7964 (time 1781236837.67 total 110.13 last 76.46)
total: 8000 open/close in 110.50 seconds: 72.40 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 93 seconds
lru_size = 8005
ls -la is 51% faster with lru resize enabled
 - unlinked 0 (time 1781236957 ; total 0 ; last 0)
total: 8000 unlinks in 65 seconds: 123.076920 unlinks/second