network tuning and performance troubleshooting
josh.carroll at gmail.com
Wed Jan 3 23:33:13 PST 2007
> Problem: Browser status 'looking up address' for 10 seconds for any
> web page clicked. Slashdot takes almost a minute to load. But FTP
> performance is good and running a shoutcast stream is no problem.
> Sending mail via my ISP is slow.
How about a large transfer over http with fetch or wget? Does it
perform as well as an ftp connection? It could be a DNS problem. Try a
dig of slashdot.org and see what the query time is:
dig A slashdot.org | grep 'Query time'
Run that a few times and see how fast it's resolving. It should be on
the order of a 100ms or less, at least after the first query.
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