== sanity test 124b: lru resize (performance test) ================================================================================= 21:31:41 (1786411901)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 814 (time 1786411915.91 total 10.01 last 81.33)
 - open/close 1568 (time 1786411925.91 total 20.01 last 75.40)
 - open/close 2199 (time 1786411935.92 total 30.01 last 63.08)
 - open/close 2830 (time 1786411945.92 total 40.02 last 63.05)
 - open/close 3668 (time 1786411955.93 total 50.02 last 83.77)
 - open/close 4341 (time 1786411965.93 total 60.03 last 67.27)
 - open/close 5139 (time 1786411975.94 total 70.04 last 79.73)
 - open/close 5851 (time 1786411985.94 total 80.04 last 71.20)
 - open/close 6515 (time 1786411995.94 total 90.04 last 66.40)
 - open/close 7105 (time 1786412005.95 total 100.05 last 58.94)
 - open/close 7558 (time 1786412015.98 total 110.08 last 45.16)
total: 8000 open/close in 116.35 seconds: 68.76 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 172 seconds
lru_size = 400
 - unlinked 0 (time 1786412207 ; total 0 ; last 0)
total: 8000 unlinks in 104 seconds: 76.923080 unlinks/second
 - open/close 832 (time 1786412326.05 total 10.01 last 83.14)
 - open/close 1672 (time 1786412336.06 total 20.01 last 83.96)
 - open/close 2551 (time 1786412346.06 total 30.01 last 87.88)
 - open/close 3417 (time 1786412356.07 total 40.03 last 86.50)
 - open/close 4201 (time 1786412366.09 total 50.04 last 78.31)
 - open/close 4910 (time 1786412376.09 total 60.04 last 70.85)
 - open/close 5488 (time 1786412386.10 total 70.06 last 57.73)
 - open/close 6157 (time 1786412396.12 total 80.07 last 66.82)
 - open/close 6845 (time 1786412406.12 total 90.08 last 68.75)
 - open/close 7660 (time 1786412416.13 total 100.08 last 81.46)
total: 8000 open/close in 104.00 seconds: 76.93 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 45% faster with lru resize enabled
 - unlinked 0 (time 1786412533 ; total 0 ; last 0)
total: 8000 unlinks in 70 seconds: 114.285713 unlinks/second