On 2014-04-30 at 04:54:37 +0200, Jon Schipp <[email protected]> wrote: > On Thu, Apr 17, 2014 at 4:59 PM, Michał Purzyński < > [email protected]> wrote: > > > Hello. > > > > I'm trying to write to disk between 3-7Gbit/sec (traffic changes a lot). > > Netsniff-ng is dropping packets, at least that is what statistics say. > > > > Hardware and software details: > > > > 2 x E5-2620 > > 64GB memory in 8 x 8 DIMMs to use every channel > > Intel X520 based card > > 12 x 3TB (2.7TB in fact) in RAID5 - 1 as hot spare, the rest gives me a > > healthy 28TB usable > > > > Ubuntu 12.04 on 3.8.x kernel > > XFS > > > > I run the software like this > > > > netsniff-ng -i eth2 -o /nsm/sensor_data/nsm2-eth2/dailylogs/2014-04-17/ > > --user 2551 --group 2551 -s --prefix snort.log. --verbose --ring-size 4000 > > iB --interval 1500 MiB --mmap --filter /etc/nsm/nsm2-eth2/bpf-pcap.ops > > > > BTW - there is a bug (integer overflow) and the buffer can't be larger > > than 4095MB. Anyway. > > > > My understanding is that it's not really a bug but due to the nature of > mmap(), > I have an issue created for that if something can be done about it. [1]
Just had a quick look at this issue and it seems like that this really is due to an integer overflow, not due to mmap() limitations. I'll try to figure out a proper solution for this (probably should have done that before the release ;-). Cheers Tobias -- You received this message because you are subscribed to the Google Groups "netsniff-ng" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
