| Highwinds Software Product Documentation: Typhoon, Twister, Tornado, Hurricane, and Cyclone | ||
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Tornado Back End configuration is quite simple, all that needs to be done is the creation of a cascade feed object (in feeds.conf) of the following format:
<cascadefeed> OutgoingHostName outgoing_hostname OutgoingFeedName cascade_name Port 119 </cascadefeed> |
Modifications in stormcellar.conf:
NumberOfStreams 16 CascadeDepthPercent 1 |
The name/IP of the stormcellar
For reporting stats, this name will be used
Optional the port number to connect to on the StormCellar
How many streams to feed to the backend. This number depends on the size of the feed coming in, as a rule of thumb, one stream per 5megabit/sec, minimum 3.
The percentage of the backend retention that will overlap the stormcellar. 1% should be sufficient for most installations. Increasing this will cause more of a backlog to be retained by the backend, allowing for more of a buffer for StormCellar downtime.
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