== sanity test 124b: lru resize (performance test) ================================================================================= 19:55:05 (1781222105)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 694 (time 1781222119.68 total 10.01 last 69.35)
 - open/close 1358 (time 1781222129.68 total 20.01 last 66.39)
 - open/close 1956 (time 1781222139.69 total 30.02 last 59.74)
 - open/close 2549 (time 1781222149.69 total 40.02 last 59.27)
 - open/close 3077 (time 1781222159.73 total 50.06 last 52.61)
 - open/close 3694 (time 1781222169.74 total 60.07 last 61.64)
 - open/close 4183 (time 1781222179.76 total 70.09 last 48.81)
 - open/close 4774 (time 1781222189.76 total 80.09 last 59.07)
 - open/close 5523 (time 1781222199.78 total 90.11 last 74.77)
 - open/close 6136 (time 1781222209.80 total 100.13 last 61.18)
 - open/close 6898 (time 1781222219.80 total 110.13 last 76.17)
 - open/close 7621 (time 1781222229.81 total 120.14 last 72.25)
total: 8000 open/close in 124.85 seconds: 64.08 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 195 seconds
lru_size = 400
 - unlinked 0 (time 1781222440 ; total 0 ; last 0)
total: 8000 unlinks in 105 seconds: 76.190475 unlinks/second
 - open/close 736 (time 1781222560.58 total 10.02 last 73.49)
 - open/close 1473 (time 1781222570.58 total 20.02 last 73.69)
 - open/close 2301 (time 1781222580.58 total 30.02 last 82.75)
 - open/close 3054 (time 1781222590.58 total 40.02 last 75.29)
 - open/close 3859 (time 1781222600.60 total 50.04 last 80.41)
 - open/close 4664 (time 1781222610.64 total 60.08 last 80.17)
 - open/close 5471 (time 1781222620.65 total 70.09 last 80.61)
 - open/close 6135 (time 1781222630.66 total 80.10 last 66.33)
 - open/close 6877 (time 1781222640.66 total 90.10 last 74.18)
 - open/close 7585 (time 1781222650.71 total 100.15 last 70.45)
total: 8000 open/close in 104.72 seconds: 76.39 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 101 seconds
lru_size = 8006
ls -la is 48% faster with lru resize enabled
 - unlinked 0 (time 1781222784 ; total 0 ; last 0)
total: 8000 unlinks in 74 seconds: 108.108109 unlinks/second