BUG #1110: psql -h localhost consults the nameservice - Mailing list pgsql-bugs

From PostgreSQL Bugs List
Subject BUG #1110: psql -h localhost consults the nameservice
Date
Msg-id 20040319084648.C2169CF5037@www.postgresql.com
Whole thread Raw
Responses Re: BUG #1110: psql -h localhost consults the nameservice  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: BUG #1110: psql -h localhost consults the nameservice  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-bugs
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.

For any mail to my email address, please include
in the subject line the keyword
_no_spam_

Thank you.

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