[Bro] Netmap plugin issue
Dave Crawford
bro at pingtrip.com
Mon Feb 13 10:07:52 PST 2017
Continuing to see impressive performance with Bro+Netmap:
data_forward_rate_Mbps":1484.1698"
data_drop_rate_Mbps":0.0000"
And of the 10 workers, the greatest capture_loss reported by Bro is well under 1%:
2017-02-13T09:01:56-0500 600.000013 MID_INT-8 1221 3368533 0.036247
-Dave
> On Feb 12, 2017, at 7:15 AM, Dave Crawford <bro at pingtrip.com> wrote:
>
> My LB stats are similar, but Bro isn’t reflecting a loss:
>
> Feb 11 04:58:02 mid-csignsm-01 lb[3144]: {"ts":1486807082.815681,"interface":"netmap:eth6","packets_received":739258266,"packets_forwarded":737718676,"packets_dropped":1213100,"non_ip_packets":371283,"data_forward_rate_Mbps":758.6328,"data_drop_rate_Mbps":0.0000,"packet_forward_rate_kpps":102.7250,"packet_drop_rate_kpps":0.0000,"free_buffer_slots":100000}
>
> The next cycle of capture_loss shows less than 1% loss for the 10 workers:
>
> 2017-02-11T05:01:56-0500 600.000119 MID_INT-2 5 102927 0.004858
> 2017-02-11T05:01:56-0500 600.000015 MID_INT-4 7 107577 0.006507
> 2017-02-11T05:01:56-0500 600.000053 MID_INT-9 6 101979 0.005884
> 2017-02-11T05:01:56-0500 600.000016 MID_INT-3 1 304887 0.000328
> 2017-02-11T05:01:56-0500 600.000543 MID_INT-10 5 186552 0.00268
> 2017-02-11T05:01:56-0500 600.000009 MID_INT-5 6 101433 0.005915
> 2017-02-11T05:01:56-0500 600.000005 MID_INT-6 5 110256 0.004535
> 2017-02-11T05:01:56-0500 600.000085 MID_INT-7 1 98164 0.001019
> 2017-02-11T05:01:56-0500 600.000041 MID_INT-8 4 99979 0.004001
> 2017-02-11T05:01:57-0500 600.000047 MID_INT-1 3 90591 0.003312
>
> I also noticed that Andy’s LB output is slightly different. His displays the free buffers as “overflow_queue_size” where my output is “free_buffer_slots”.
>
> Also Andy, your overflow queue size is “0”, did you define one and its been depleted? Creating one, or increasing the size may help with the Bro dropped packets.
>
> -Dave
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