== sanity test 124b: lru resize (performance test) ================================================================================= 21:30:16 (1788571816)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 607 (time 1788571831.64 total 10.00 last 60.68)
 - open/close 1421 (time 1788571841.65 total 20.01 last 81.31)
 - open/close 2285 (time 1788571851.66 total 30.02 last 86.39)
 - open/close 3084 (time 1788571861.66 total 40.02 last 79.86)
 - open/close 3791 (time 1788571871.66 total 50.02 last 70.67)
 - open/close 4475 (time 1788571881.67 total 60.03 last 68.34)
 - open/close 5238 (time 1788571891.68 total 70.04 last 76.26)
 - open/close 6087 (time 1788571901.68 total 80.04 last 84.88)
 - open/close 6951 (time 1788571911.69 total 90.05 last 86.32)
 - open/close 7626 (time 1788571921.69 total 100.05 last 67.49)
total: 8000 open/close in 104.60 seconds: 76.48 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 191 seconds
lru_size = 400
 - unlinked 0 (time 1788572128 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 651 (time 1788572245.80 total 10.00 last 65.08)
 - open/close 1312 (time 1788572255.81 total 20.01 last 66.04)
 - open/close 1981 (time 1788572265.81 total 30.01 last 66.89)
 - open/close 2730 (time 1788572275.82 total 40.03 last 74.81)
 - open/close 3402 (time 1788572285.83 total 50.04 last 67.13)
 - open/close 4100 (time 1788572295.84 total 60.04 last 69.79)
 - open/close 4961 (time 1788572305.84 total 70.04 last 86.05)
 - open/close 5845 (time 1788572315.85 total 80.05 last 88.34)
 - open/close 6515 (time 1788572325.86 total 90.06 last 66.94)
 - open/close 7228 (time 1788572335.87 total 100.07 last 71.24)
 - open/close 7803 (time 1788572345.88 total 110.08 last 57.43)
total: 8000 open/close in 114.37 seconds: 69.95 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 86 seconds
lru_size = 8005
ls -la is 54% faster with lru resize enabled
 - unlinked 0 (time 1788572459 ; total 0 ; last 0)
total: 8000 unlinks in 72 seconds: 111.111115 unlinks/second