[CentOS] resolving names it is really slow slow with CentOS5.x using named

carlopmart carlopmart at gmail.com
Mon May 25 21:23:27 UTC 2009


Victor Padro wrote:
> 
> 
> On Mon, May 25, 2009 at 4:05 PM, carlopmart <carlopmart at gmail.com 
> <mailto:carlopmart at gmail.com>> wrote:
> 
>     RobertH wrote:
>      > ive read most of the thread, yet not all. forgive me as i might
>     have missed
>      > some of this below in helping...
>      >
>      > carlopmart,
>      >
>      > what is in your /etc/resolv.conf
> 
>     search hpulabs.org <http://hpulabs.org>
>     nameserver 127.0.0.1
> 
>      >
>      > is it configured correctly?
>      >
>      > are you using ipv6?
> 
>     no.
> 
>      >
>      > if not, is it fully disabled / turned off?
>      >
>      > in modprobe.conf put
>      >
>      > alias net-pf-10 off
>      > alias ipv6 off
> 
>     I have configured this previously ..
> 
> 
>      >
>      > reboot...
>      >
>      > also, are you loading those other opsys on the same machine and
>     getting good
>      > results or different machines?
> 
>     I have good results using different operating systems but using same
>     hardware ..
> 
> 
>      >
>      > testing other opsys on different hardware could be problematic.
>      >
>      > did you bother to check the physical ports to see if any problems
>     in the
>      > switch or with ethtool on the server interface ?
> 
>     No, I didn't do it because i have good results using other opsys ...
>      >
>      > thoughtfully consinder following advise of others re: tcp and dns
>      >
>      > cables...
>      >
>      >  - rh
>      >
>      > _______________________________________________
>      > CentOS mailing list
>      > CentOS at centos.org <mailto:CentOS at centos.org>
>      > http://lists.centos.org/mailman/listinfo/centos
>      >
> 
> 
>     --
>     CL Martinez
>     carlopmart {at} gmail {d0t} com
>     _______________________________________________
>     CentOS mailing list
>     CentOS at centos.org <mailto:CentOS at centos.org>
>     http://lists.centos.org/mailman/listinfo/centos
> 
> 
> Have you double checked your SELinux config?

SeLinux is disabled on both CentOS servers ...

> 
> You said you tested different OS'es on the same hardware?  or tested 
> different OS'es on the same hardware but different servers?

Same hardware and same server, because all opsys are installed on a ESXi 3.5u4 
server with vmware tools ...

> 
> Maybe remotely could be a faulty NIC.

Maybe, but why only centos have problems??


> 
> 
> 
> -- 
> "It is human nature to think wisely and act in an absurd fashion."
> 
> "Todo el desorden del mundo proviene de las profesiones mal o 
> mediocremente servidas"
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos


-- 
CL Martinez
carlopmart {at} gmail {d0t} com



More information about the CentOS mailing list