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Date: Mon, 01 Apr 2013 22:48:35 +0200
From: vermaden <vermaden@interia.pl>
Subject: Re: How to disable completion of 127.0.0.1 entries from /etc/hosts
To: Phil Pennock <zsh-workers+phil.pennock@spodhuis.org>
Cc: zsh-users@zsh.org
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> On 2013-03-31 at 10:29 +0200, vermaden wrote:
> > Hi all,I use 'static' 127.0.0.1 entries in /etc/hosts to block various
> > things, like described here for
> > example:http://someonewhocares.org/hosts/ Of course ZSH always tries
> > to 'complete' the ssh/scp and always goes thru about 100 000 entries
> > in my /etc/hosts file while the 'real' ones are about 100 maybe at
> > most. My question is: Is there a way to 'tell' ZSH to NOT complete
> > entries beginning with 127.0.0.1 from the /etc/hosts file?
> > Regards,vermaden 
> 
> Are you aware that the contents of /etc/hosts get loaded into _every_
> process doing hostname resolution?  And the file isn't mmap'd in and so
> shared, but is instead _read_ into each process, so is not shared
> memory?
> 
> Seriously, install unbound, use unbound-control and/or home-grown tools
> to maintain the list of overrides, make sure the cost of filtering is
> only borne once, instead of having zsh also load a 4MB hosts file and
> parse it out.  Your system will be faster for _every_ hostname-resolving
> package, not just zsh.
> 
> Otherwise, use zstyle to set 'hosts':
> 
>   zstyle ':completion:*:hosts' hosts $the_hosts_you_care_about
> 
> and so override the automatic parsing of /etc/hosts.

Thank You for Your suggestions and two various solutions, that solves the problem ;)

Regards,
vermaden