[hobbit] Antwort: [hobbit] Antwort: Re: [hobbit] ping test is too slow

[Jerald Sheets]

Also, run a long-running ping test against an IP list and in another window
against a domain name list.

I'm willing to bet you get latency on the domain list vs. the IP list.

---
Jerald M. Sheets jr.




On Thu, Jun 24, 2010 at 9:42 AM, Patrick Nixon <pnixon at gmail.com> wrote:

> I'll agree with jerald on this one.
>
>  If your DNS is not resolving properly, it can increase your ping
> times as well, because ping does a DNS lookup as well when it
> executes.
>
>  Check your DNS server/records, walk through your bb-hosts file to
> determine if something is timing out/not resolving, and I suspect
> you'll find the culprit
>
> On Wed, Jun 23, 2010 at 10:20 AM, Jerald Sheets <questy at gmail.com> wrote:
> > I am running RHEL5.2, but am not having anywhere near the latency you
> are.
> > The only apparent difference between our output is that I am on Xymon
> > 4.3.0-0.beta2.  I am also going over a gigabit network, but my DNS
> > resolution time never crawls above the microseconds all that much.  Your
> OP
> > states that sometimes it takes up to 20 seconds to get resolution, and
> I'm
> > wondering if that isn't where you need to concentrate your efforts?
> > As much as I hate to suggest such a thing because of other potential
> bugs,
> > could you gain any benefit from having nscd running on the Xymon host
> only?
> > ---
> > Jerald M. Sheets jr.
> >
> >
> >
> >
> > On Wed, Jun 23, 2010 at 9:09 AM, <thorsten.erdmann at daimler.com> wrote:
> >>
> >> Hello again
> >>
> >> Is there really no other option to speed up the ping test, maybe by
> using
> >> multiple instance of fping/hobbitping. A collegue has the same issue on
> a
> >> Hobbitserver running on HPUX.
> >> I am running Redhat EL.
> >>
> >> Thorsten Erdmann
> >>
> >>
> >> thorsten.erdmann at daimler.com schrieb am 18.06.2010 14:06:43:
> >>
> >> >
> >> > Hi
> >> >
> >> > > On Monday, 14 June 2010 19:12:33 White, Bruce wrote:
> >> > > > My experience with "hobbitping", is that it is just slower.  You
> are
> >> > > > better off downloading and installing "fping".   Once you do this,
> >> > > > you
> >> > > > will need to rebuild hobbit and select fping in the build process.
> >> > >
> >> > > Instead of rebuilding hobbit, you can change FPING in
> hobbitserver.cfg
> >> > > to
> >> > > "/path/to/fping -Ae " or similar.
> >> >
> >> > sorry for the delay. I just tried fping. But the turnaround time is
> >> > exactly the same, no benefit. Any other ideas?
> >> >
> >> >
> >> > bbtest-net version 4.2.0
> >> > SSL library : OpenSSL 0.9.7a Feb 19 2003
> >> > LDAP library: OpenLDAP 20213
> >> >
> >> > Statistics:
> >> >  Hosts total           :      834
> >> >  Hosts with no tests   :       20
> >> >  Total test count      :      819
> >> >  Status messages       :      820
> >> >  Alert status msgs     :        0
> >> >  Transmissions         :       10
> >> >
> >> > DNS statistics:
> >> >  # hostnames resolved  :      287
> >> >  # succesful           :      287
> >> >  # failed              :        0
> >> >  # calls to dnsresolve :      289
> >> >
> >> > TCP test statistics:
> >> >  # TCP tests total     :        3
> >> >  # HTTP tests          :        2
> >> >  # Simple TCP tests    :        1
> >> >  # Connection attempts :        3
> >> >  # bytes written       :      261
> >> >  # bytes read          :     1467
> >> >
> >> >
> >> > TIME SPENT
> >> > Event                                            Starttime
> >> >  Duration
> >> > bbtest-net startup                       1276862496.735994
> >> >   -
> >> > Service definitions loaded               1276862496.738353
> >> >  0.002359
> >> > Tests loaded                             1276862496.780920
> >> >  0.042567
> >> > DNS lookups completed                    1276862511.817886
> >> > 15.036966
> >> > Test engine setup completed              1276862511.823173
> >> >  0.005287
> >> > TCP tests completed                      1276862511.825895
> >> >  0.002722
> >> > PING test completed (814 hosts)          1276862553.583528
> >> > 41.757633
> >> > PING test results sent                   1276862553.718441
> >> >  0.134913
> >> > Test result collection completed         1276862553.718452
> >> >  0.000011
> >> > LDAP test engine setup completed         1276862553.718454
> >> >  0.000002
> >> > LDAP tests executed                      1276862553.718455
> >> >  0.000001
> >> > LDAP tests result collection completed   1276862553.718456
> >> >  0.000001
> >> > NSLOOKUP tests executed                  1276862554.634700
> >> >  0.916244
> >> > Test results transmitted                 1276862554.700414
> >> >  0.065714
> >> > bbtest-net completed                     1276862554.702291
> >> >  0.001877
> >> > TIME TOTAL
> >> > 57.966297
> >> >
> >> >
> >> > Thorsten Erdmann
> >> >
> >> > bgmilne at staff.telkomsa.net schrieb am 15.06.2010 12:32:39:
> >> >
> >> > >
> >> > > Regards,
> >> > > Buchan
> >> > >
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