[dnsdist] Obscene amount of drops

Miguel Miranda miguel.mirandag at gmail.com
Thu Jan 7 17:26:28 UTC 2016


Hi Bert, i seems that there is not beta or release candidate package for
CentOS, this is the only package available in both 6 and 7 folders:

dnsdist-1.0.0-0.1.alpha1.1pdns.el6.x86_64.rpm
<https://repo.powerdns.com/centos/x86_64/6Server/dnsdist-10/dnsdist-1.0.0-0.1.alpha1.1pdns.el6.x86_64.rpm>

---

Miguel.



On Wed, Jan 6, 2016 at 12:04 PM, bert hubert <bert.hubert at netherlabs.nl>
wrote:

> On Wed, Jan 06, 2016 at 12:03:39PM -0600, Miguel Miranda wrote:
> > I installed dnsdist 1.x in CentOS 6 using your repositories:
>
> Hi Miguel,
>
> You can get the latest packages from https://repo.powerdns.com/ . These
> should be better in many ways than 1.0.0-alpha.
>
>         Bert
>
> >
> > [root at dns2 cron.d]# rpm -qa|grep dnsdist
> > dnsdist-1.0.0-0.1.alpha1.1pdns.el6.x86_64
> >
> >
> > Apparently i dont have topSlow() function:
> >
> > > grepq("3000ms")
> > Time    Client                                          ID
> > Name                      Type  Lat. TC RD AA Rcode
> >
> > > topSlow()
> > Error: [string "topSlow()"]:1: attempt to call global 'topSlow' (a nil
> > value):
> >
> >
> >
> >
> >
> > On Wed, Jan 6, 2016 at 11:54 AM, bert hubert <bert.hubert at netherlabs.nl>
> > wrote:
> >
> > > On Wed, Jan 06, 2016 at 11:24:20AM -0600, Miguel Miranda wrote:
> > > > Hello to all, i have just discovered this great dnsdist package, im
> > > testing
> > > > it with a resolver serving several thousands cablemodems, i
> configured
> > > two
> > > > resolver instances, pdns-recursor and unbound. Using a simple
> > > configuration:
> > >
> > > Hi Miguel,
> > >
> > > Before you subscribed we posted this on Monday:
> > > http://mailman.powerdns.com/pipermail/dnsdist/2016-January/000052.html
> > >
> > > This may be helpful to determine what is getting dropped.
> > >
> > > Please let us know!
> > >
> > >         Bert
> > >
> > > >
> > > > controlSocket("0.0.0.0")
> > > > webserver("0.0.0.0:8083", "J4s0n2015")
> > > > addLocal("127.0.0.1:53")
> > > > setKey("MXNeLFWHUe4363BBKrY06cAsH8NWNb+Se2eXU5+Bb74=")
> > > > carbonServer("37.252.122.50", "J4s0nDNSDIST", 30)
> > > >
> > > > warnlog(string.format("Script starting %s", "up!"))
> > > >
> > > > -- define the good servers
> > > > newServer {address="127.0.0.1:5353", name="unbound"}
> > > > newServer {address="127.0.0.1:5454", name="pdns-recursor"}
> > > >
> > > > What i just discovered after ruuning dnsdistis a obscene amount of
> > > drops, i
> > > > am not clear about what is the meaning of this, are server fail
> errors?,
> > > > timeouts?, etc.
> > > > What do you recommend me to check?
> > > > Because of this im running  recursor instances with trace on but i
> dont
> > > see
> > > > any droping packet error.
> > > >
> > > > > showServers()
> > > > #   Name                 Address                       State     Qps
> > > > Qlim Ord Wt    Queries   Drops Drate   Lat Pools
> > > > 0   unbound              127.0.0.1:5353                   up    57.0
> > > > 0   1  1    6219959   93631   1.0 119.9
> > > > 1   pdns-recursor        127.0.0.1:5454                   up    74.0
> > > > 0   1  1    3736215  250433   2.0 228.8
> > > > All
> > > > 129.0                   9956174  344064
> > >
> > > > _______________________________________________
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> > > > dnsdist at mailman.powerdns.com
> > > > http://mailman.powerdns.com/mailman/listinfo/dnsdist
> > >
> > >
>
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>
>
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