== sanity test 124b: lru resize (performance test) ================================================================================= 07:35:43 (1786016143)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/disable_lru_resize
 - open/close 542 (time 1786016159.26 total 10.01 last 54.17)
 - open/close 1016 (time 1786016169.27 total 20.01 last 47.37)
 - open/close 1519 (time 1786016179.29 total 30.03 last 50.21)
 - open/close 2137 (time 1786016189.29 total 40.03 last 61.77)
 - open/close 2664 (time 1786016199.30 total 50.04 last 52.67)
 - open/close 3342 (time 1786016209.31 total 60.05 last 67.76)
 - open/close 3971 (time 1786016219.31 total 70.05 last 62.86)
 - open/close 4772 (time 1786016229.33 total 80.07 last 80.00)
 - open/close 5343 (time 1786016239.33 total 90.07 last 57.08)
 - open/close 6030 (time 1786016249.34 total 100.08 last 68.65)
 - open/close 6461 (time 1786016259.35 total 110.09 last 43.05)
 - open/close 6940 (time 1786016269.36 total 120.10 last 47.85)
 - open/close 7285 (time 1786016279.39 total 130.13 last 34.38)
 - open/close 7816 (time 1786016289.42 total 140.16 last 52.96)
total: 8000 open/close in 144.04 seconds: 55.54 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 125 seconds
lru_size = 400
400
 - unlinked 0 (time 1786016432 ; total 0 ; last 0)
total: 8000 unlinks in 133 seconds: 60.150375 unlinks/second
striped dir -i0 -c2 -H crush2  /mnt/lustre/d124b.sanity/enable_lru_resize
 - open/close 669 (time 1786016581.04 total 10.00 last 66.89)
 - open/close 1250 (time 1786016591.05 total 20.01 last 58.08)
 - open/close 1812 (time 1786016601.09 total 30.05 last 55.95)
 - open/close 2371 (time 1786016611.09 total 40.05 last 55.88)
 - open/close 3041 (time 1786016621.10 total 50.06 last 66.94)
 - open/close 3633 (time 1786016631.12 total 60.08 last 59.13)
 - open/close 4054 (time 1786016641.12 total 70.08 last 42.07)
 - open/close 4509 (time 1786016651.13 total 80.09 last 45.49)
 - open/close 5131 (time 1786016661.13 total 90.09 last 62.19)
 - open/close 5745 (time 1786016671.15 total 100.11 last 61.26)
 - open/close 6271 (time 1786016681.16 total 110.12 last 52.58)
 - open/close 6814 (time 1786016691.16 total 120.12 last 54.26)
 - open/close 7351 (time 1786016701.17 total 130.13 last 53.65)
total: 8000 open/close in 138.15 seconds: 57.91 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 123 seconds
lru_size = 4052
3955
ls -la is 1% faster with lru resize enabled
 - unlinked 0 (time 1786016863 ; total 1 ; last 1)
total: 8000 unlinks in 98 seconds: 81.632652 unlinks/second