[CQ-Contest] [ar-cluster] Skimmer and cluster node problems and changes

Thu Jan 20 16:01:02 PST 2011

I should have finished reading the notes first... My ar-cluster 6 node now
has 2 telnet ports, 7373 defaults to having skimmer spots, 7374 defaults to
not having them.  You can change the default using the new filter commands.

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net

> -----Original Message-----
> From: K1TTT [mailto:k1ttt at arrl.net] 
> Sent: Thursday, January 20, 2011 23:33
> To: skimmertalk at contesting.com; reflector cq-contest; 
> ar-cluster; YCCC; sysops at dxcluster.info
> Subject: [ar-cluster] Skimmer and cluster node problems and changes
> Over the last several days my internet has been slow, my 
> skimmer server
> seemed to be slow, and when I would restart the skimmer 
> server it would
> instantly have 16 connections, and its cpu load was a bit higher than
> usual... I finally figured it out, I had a 29MB telnet log 
> file for the last
> month, most of which was in the last couple days, this file 
> is usually less
> than 1MB for several months.  There was someone connecting 
> and giving it the
> call 'BYE' or a blank every few seconds... Since it is not 
> easy to monitor
> that connection, and the software is not really meant to be 
> much of a telnet
> server anyway, it is now no longer accessible from outside.
> My skimmer spots will still go to the reversebeacon network and are
> available on that web site or via their load balanced telnet 
> servers at
> telnet.reversebeacon.net:7000.
> I am also beta testing the ar-cluster version 6 code.  This 
> is a complete
> rewrite of the ar-cluster optimized for skimmer speed spot 
> processing and
> not much else so far... But it is doing very good at spot 
> processing.  Terry
> is working on some new filtering capabilities that should 
> make skimmer use
> much nicer.  See links in info when connecting for filters and his new
> client program also.  This node has the full feed of the rbn 
> plus my old
> node regular spots, plus a backup connection direct to my 
> skimmer in case
> the rbn is down.  It is at k1ttt.net:7373.
> Also for the last couple weeks on my regular cluster node I have been
> summarily locking out anyone who I see repeatedly connecting and
> disconnecting... So far no one has noticed.  If you are running a
> multiple-connect telnet client please take me off your list 
> of nodes unless
> you are watching the connections, I have some locked out 
> users who have been
> trying to connect regularly for weeks now.  Eventually this 
> will get dumped
> in favor of the ar-cluster 6 node so I really don't care 
> since those will
> end up getting rejected by the router, but you are wasting 
> your bandwidth
> and mine.
> David Robbins K1TTT
> e-mail: mailto:k1ttt at arrl.net
> web: http://www.k1ttt.net
> AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
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