== sanity test 124b: lru resize (performance test) ================================================================================= 23:22:07 (1790738527)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 768 (time 1790738542.81 total 10.02 last 76.66)
 - open/close 1490 (time 1790738552.81 total 20.02 last 72.19)
 - open/close 2241 (time 1790738562.83 total 30.04 last 74.97)
 - open/close 2928 (time 1790738572.84 total 40.05 last 68.62)
 - open/close 3665 (time 1790738582.84 total 50.05 last 73.69)
 - open/close 4309 (time 1790738592.85 total 60.06 last 64.35)
 - open/close 5053 (time 1790738602.86 total 70.07 last 74.29)
 - open/close 5734 (time 1790738612.89 total 80.10 last 67.92)
 - open/close 6456 (time 1790738622.90 total 90.11 last 72.12)
 - open/close 7155 (time 1790738632.90 total 100.11 last 69.88)
 - open/close 7887 (time 1790738642.90 total 110.11 last 73.19)
total: 8000 open/close in 111.72 seconds: 71.61 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 157 seconds
lru_size = 400
 - unlinked 0 (time 1790738810 ; total 0 ; last 0)
total: 8000 unlinks in 127 seconds: 62.992126 unlinks/second
 - open/close 712 (time 1790738951.95 total 10.00 last 71.17)
 - open/close 1449 (time 1790738961.96 total 20.01 last 73.63)
 - open/close 2158 (time 1790738971.96 total 30.02 last 70.87)
 - open/close 2821 (time 1790738981.97 total 40.02 last 66.26)
 - open/close 3459 (time 1790738992.00 total 50.05 last 63.61)
 - open/close 4054 (time 1790739002.00 total 60.06 last 59.47)
 - open/close 4631 (time 1790739012.01 total 70.07 last 57.63)
 - open/close 5278 (time 1790739022.02 total 80.07 last 64.69)
 - open/close 5887 (time 1790739032.03 total 90.08 last 60.83)
 - open/close 6602 (time 1790739042.04 total 100.09 last 71.44)
 - open/close 7301 (time 1790739052.04 total 110.10 last 69.84)
total: 8000 open/close in 119.69 seconds: 66.84 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 42% faster with lru resize enabled
 - unlinked 0 (time 1790739175 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second