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Date:      Sat, 13 May 1995 15:43:36 -0700
From:      David Greenman <davidg@Root.COM>
To:        Charles Henrich <henrich@crh.cl.msu.edu>
Cc:        freebsd-bugs@freefall.cdrom.com
Subject:   Re: bin/402: w -n doesnt work as advertised. 
Message-ID:  <199505132243.PAA00153@corbin.Root.COM>
In-Reply-To: Your message of "Sat, 13 May 95 18:38:55 EDT." <199505132239.PAA14255@freefall.cdrom.com> 

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>>   This works if the nameserver for all the domains is currently reachable. If
>>it isn't, it can take a minute for the query to timeout. About half the time I
>>do a 'w' on freefall, it takes > 1 minute to complete because of this. In
>>other cases, it's often that nameservers are slow to respond - 2 seconds isn't
>>unusual for non-cached entries. If this happens with just a few of the users,
>>the delay can approach 5-10 seconds. The problem grows as the number of users
>>increases. It's extremely annoying.
>
>Thats true, but if the user has logged in, they have caused their entry to be
>cached at the local nameserver, so you should very rarely be going offsite to
>get the data..  Unless something is broken in the local nameserver.

   Again, not if the nameserver for a given zone is down. If it was down when
they logged in and down when somebody does a "w", then there won't be any
cached entry. named doesn't cache "timed-out" queries.

-DG



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