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From Apache Wiki <wikidi...@apache.org>
Subject [Cassandra Wiki] Update of "StorageConfiguration" by JonHermes
Date Wed, 27 Oct 2010 22:24:59 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Cassandra Wiki" for change notification.

The "StorageConfiguration" page has been changed by JonHermes.
The comment on this change is: Finished StorageConf endpoint_snitch changes..
http://wiki.apache.org/cassandra/StorageConfiguration?action=diff&rev1=50&rev2=51

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    a. {{{org.apache.cassandra.locator.SimpleSnitch}}} which will do nothing, 
    a. {{{org.apache.cassandra.locator.RackInferringSnitch}}} which will assume that the 2nd
and 3rd octets of the IP contain the datacenter and rack, 
    a. {{{org.apache.cassandra.locator.PropertyFileSnitch}}} which will read from cassandra-topology.properties
to give explicit proximities, and 
-   a. {{{org.apache.cassandra.locator.EC2Snitch}}} which will read the region and zone from
the ec2 node and use them as datacenter and rack.
+   a. {{{org.apache.cassandra.locator.EC2Snitch}}} which will read the region and zone from
the ec2 node and use them as datacenter and rack. Don't use this if you're not running on
EC2.
  
  Dynamic Snitch is a boolean that controls if the above snitch is wrapped with a dynamic
snitch, which will monitor read latencies and avoid reading from hosts that have slowed.
  

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