== sanity test 124b: lru resize (performance test) ================================================================================= 13:13:34 (1781284414)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 621 (time 1781284428.79 total 10.00 last 62.07)
 - open/close 1188 (time 1781284438.79 total 20.01 last 56.69)
 - open/close 1773 (time 1781284448.80 total 30.02 last 58.45)
 - open/close 2301 (time 1781284458.83 total 40.05 last 52.64)
 - open/close 2851 (time 1781284468.84 total 50.06 last 54.92)
 - open/close 3377 (time 1781284478.85 total 60.07 last 52.56)
 - open/close 3916 (time 1781284488.89 total 70.11 last 53.70)
 - open/close 4446 (time 1781284498.89 total 80.11 last 52.97)
 - open/close 5034 (time 1781284508.90 total 90.11 last 58.78)
 - open/close 5585 (time 1781284518.91 total 100.12 last 55.04)
 - open/close 5979 (time 1781284528.93 total 110.15 last 39.30)
 - open/close 6337 (time 1781284538.95 total 120.16 last 35.76)
 - open/close 6804 (time 1781284548.95 total 130.17 last 46.67)
 - open/close 7312 (time 1781284558.96 total 140.17 last 50.77)
 - open/close 7850 (time 1781284568.96 total 150.18 last 53.79)
total: 8000 open/close in 152.57 seconds: 52.43 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 196 seconds
lru_size = 400
 - unlinked 0 (time 1781284777 ; total 0 ; last 0)
total: 8000 unlinks in 144 seconds: 55.555557 unlinks/second
 - open/close 619 (time 1781284936.39 total 10.02 last 61.75)
 - open/close 1253 (time 1781284946.40 total 20.03 last 63.36)
 - open/close 1859 (time 1781284956.41 total 30.04 last 60.55)
 - open/close 2478 (time 1781284966.41 total 40.04 last 61.90)
 - open/close 3102 (time 1781284976.41 total 50.04 last 62.37)
 - open/close 3758 (time 1781284986.41 total 60.05 last 65.58)
 - open/close 4407 (time 1781284996.42 total 70.05 last 64.89)
 - open/close 5008 (time 1781285006.44 total 80.07 last 59.96)
 - open/close 5529 (time 1781285016.44 total 90.08 last 52.08)
 - open/close 6039 (time 1781285026.46 total 100.09 last 50.93)
 - open/close 6552 (time 1781285036.46 total 110.09 last 51.27)
 - open/close 7176 (time 1781285046.50 total 120.14 last 62.15)
 - open/close 7758 (time 1781285056.51 total 130.14 last 58.17)
total: 8000 open/close in 133.71 seconds: 59.83 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 94 seconds
lru_size = 8005
ls -la is 52% faster with lru resize enabled
 - unlinked 0 (time 1781285178 ; total 0 ; last 0)
total: 8000 unlinks in 87 seconds: 91.954025 unlinks/second