Measuring reader traffic
davidsen at tmr.com
Tue May 4 15:14:00 UTC 2004
divya at avnika.com wrote:
> Hi all,
> Two questions that came to mind as I was setting up a news server:
> (1) What's a good way to measure the reader traffic that a news
> server is seeing? What other usage metrics should I track that would
> help me understand how to manage the load?
> (2) Are their architectures that people have used with inn for highly
> available load balanced NNTP Services?
> The issue I am trying to capture is with regards to capacity planning
> and high availability. I want to understand at what point a server will
> become unusable and if it does, how do I "fail-over" to another host
> in such a way to not have to make all the users re-configure their
> newsgroup settings.
You can run a perfect image server as an xref-slave, and any reader can
connect to any server. However, since connections are stateful, there
are no inexpensive solutions I've seen to make a failure invisible if a
server fails while the reader is connected.
-bill davidsen (davidsen at tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
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