I've run it on the original 10G file (70M packets). It can't process all of
them. At around 30M packets memory consumption is about 3.7G.
It's a good improvement anyway!
Thanks
Dario.


On Fri, Aug 30, 2013 at 3:35 AM, Evan Huus <eapa...@gmail.com> wrote:

> On Thu, Aug 29, 2013 at 11:07 AM, Dario Lombardo <
> dario.lombardo...@gmail.com> wrote:
>
>> On Thu, Aug 29, 2013 at 4:35 PM, Evan Huus <eapa...@gmail.com> wrote:
>>
>>> Basically, but it's also more. If your capture contains a DNS packet
>>> resolving a name in a certain way, and the system name resolver gives a
>>> different answer, we prefer the DNS packet in the capture (since presumably
>>> the capture was on some local network where that name resolves
>>> differently). For this reason we can't just drop old cache entries unless
>>> name resolution is disabled completely.
>>>
>>>>
>> That's really interesting. This means that if a DNS packet with a fake
>> resolution is got, it can pollute the "cache".
>> I've triggered this behaviour in the attached pcap file. It appears that
>> I'm pinging google (in my svn wireshark), while actually I'm pinging a
>> private addres :).
>>
>
> I have checked in an option for this in revision 51584 which should also
> solve your memory problem (or most of them). If you run that revision of
> tshark with the flag: -o dns.use_for_addr_resolution:FALSE then you should
> see substantially lower memory usage, (and your crafted capture won't
> resolve the internal address as google either). I left it enabled by
> default, since that was the existing behaviour, but I don't have a strong
> opinion one way or the other.
>
> Cheers,
> Evan
>
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