[Asterisk-Users] Realtime Replication of a Single File

Matt Roth mroth at imminc.com
Thu Dec 8 09:55:28 MST 2005


List users,

Please provide me with tips on how to replicate a single file to a 
separate machine as changes are made to it.  I would prefer a method 
that reacts to file modifications (ie. FAM/gamin) as opposed to timed 
loops/polling (cron + rsync).  I'd also like to avoid NFS altogether.

Keeping resource consumption low on the source machine is a priority.  A 
bit of research has lead me to believe that calling rsync when gamin is 
alerted to a file modification would be a good fit for my scenario, but 
I'm unclear on the easiest implementation.

My scenario is as follows.  I have a machine that runs Asterisk VoIP PBX 
software.  Asterisk creates a log file that we generate reports off of.  
Another machine handles the generation of these reports, which involves 
significant number crunching and file I/O.  By replicating the file on 
the reporting machine, I'd like to decouple the resource consumption of 
reporting from the VoIP server.  Some of the reports are used to monitor 
activities in realtime, so cronning off rsync on a large time interval 
is not an option.

Thank you,

Matthew Roth
InterMedia Marketing Solutions
Software Engineer and Systems Developer



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