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

PostgreSQL Bugs List wrote:
>
> The following bug has been logged online:
>
> Bug reference:      1110
> Logged by:          Michael Enke
>
> Email address:      michael.enke@wincor-nixdorf.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.

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