== sanity test 124b: lru resize (performance test) ================================================================================= 11:47:16 (1790783236)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 571 (time 1790783252.02 total 10.01 last 57.06)
 - open/close 1230 (time 1790783262.03 total 20.01 last 65.89)
 - open/close 1843 (time 1790783272.04 total 30.03 last 61.20)
 - open/close 2439 (time 1790783282.05 total 40.03 last 59.56)
 - open/close 3067 (time 1790783292.06 total 50.04 last 62.72)
 - open/close 3758 (time 1790783302.07 total 60.05 last 69.03)
 - open/close 4380 (time 1790783312.09 total 70.07 last 62.11)
 - open/close 5119 (time 1790783322.11 total 80.10 last 73.70)
 - open/close 5776 (time 1790783332.12 total 90.11 last 65.65)
 - open/close 6527 (time 1790783342.13 total 100.11 last 75.03)
 - open/close 7220 (time 1790783352.14 total 110.13 last 69.20)
 - open/close 7937 (time 1790783362.15 total 120.14 last 71.63)
total: 8000 open/close in 121.11 seconds: 66.06 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 151 seconds
lru_size = 400
 - unlinked 0 (time 1790783524 ; total 0 ; last 0)
total: 8000 unlinks in 102 seconds: 78.431374 unlinks/second
 - open/close 767 (time 1790783641.08 total 10.00 last 76.67)
 - open/close 1441 (time 1790783651.09 total 20.01 last 67.35)
 - open/close 2075 (time 1790783661.13 total 30.06 last 63.09)
 - open/close 2783 (time 1790783671.15 total 40.07 last 70.71)
 - open/close 3500 (time 1790783681.15 total 50.08 last 71.65)
 - open/close 4142 (time 1790783691.16 total 60.09 last 64.12)
 - open/close 4871 (time 1790783701.17 total 70.09 last 72.87)
 - open/close 5640 (time 1790783711.18 total 80.11 last 76.79)
 - open/close 6413 (time 1790783721.19 total 90.12 last 77.23)
 - open/close 7117 (time 1790783731.21 total 100.14 last 70.28)
 - open/close 7923 (time 1790783741.22 total 110.14 last 80.52)
total: 8000 open/close in 111.11 seconds: 72.00 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 74 seconds
lru_size = 8005
ls -la is 50% faster with lru resize enabled
 - unlinked 0 (time 1790783838 ; total 0 ; last 0)
total: 8000 unlinks in 67 seconds: 119.402985 unlinks/second