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Re: BUG #1110: psql -h localhost consults the nameservice

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Michael Enke <michael(dot)enke(at)wincor-nixdorf(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #1110: psql -h localhost consults the nameservice
Date: 2004-03-19 13:28:31
Message-ID: 200403191328.i2JDSVb27611@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
PostgreSQL Bugs List wrote:
> 
> The following bug has been logged online:
> 
> Bug reference:      1110
> Logged by:          Michael Enke
> 
> Email address:      michael(dot)enke(at)wincor-nixdorf(dot)com
> 
> PostgreSQL version: 7.4
> 
> Operating system:   Linux
> 
> Description:        psql -h localhost consults the nameservice
> 
> Details: 
> 
> If I call "psql -h localhost" it is very slow
> compared to "psql -h 127.0.0.1" since for "localhost"
> the nameservice is consulted.
> 
> It is reproducable best in a loop. Call 50 times:
> "psql -h localhost" takes 6 seconds
> "psql -h 127.0.0.1" takes 0.6 seconds
> This was not the case for psql from version 7.3
> May be this has something to do with changes for IP v6.

Odds are your nameserver is messed up.  Try:

	host localhost

and see if that is slow.  I bet it is.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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Subject: Re: BUG #1110: psql -h localhost consults the nameservice
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