What if you make the file "/dev/null" -- does this still happen?
On 2016-04-05 14:12, monika bansal wrote:
> Hii,
>
> I am running benchmark code and on the receiver side after receiving some
> number of packets(8000 so), it starts showing overflow errors ("DDDD") on
> terminal.
> Following is the system configuration
>
> python benchmark_rx.py -f 1100M --args "addr=10.32.38.163"
> --to-file=/home/ashokbandi/GNU/a_rx.txt --bandwidth=500000
>
> Decreasing the bandwidth delays the error.
>
> I tried changing buffer size by setting net.core.rmem_max and
> net.core.wmem_max to 33445532 but to no avail.
>
> Following is the screen shot of terminal
>
> DDok: True pktno: 24116 n_rcvd: 9730 n_right: 9723
> DDDDDDDDok: True pktno: 24182 n_rcvd: 9731 n_right: 9724
> DDDDDDDDDDDDDDok: True pktno: 24319 n_rcvd: 9732 n_right: 9725
> DDDDDDDDDDDDDDDDok: True pktno: 24442 n_rcvd: 9733 n_right: 9726
> DDDok: True pktno: 24477 n_rcvd: 9734 n_right: 9727
> DDDDDDDDDok: True pktno: 24568 n_rcvd: 9735 n_right: 9728
> DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDok:
> False pktno: 22729 n_rcvd: 9736 n_right: 9728
>
> Thanks
>
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