org.apache.cassandra.locator

Class Ec2MultiRegionSnitch

java.lang.Object

org.apache.cassandra.locator.AbstractEndpointSnitch

org.apache.cassandra.locator.AbstractNetworkTopologySnitch

org.apache.cassandra.locator.Ec2Snitch

org.apache.cassandra.locator.Ec2MultiRegionSnitch

All Implemented Interfaces:

IEndpointSnitch

public class Ec2MultiRegionSnitch
extends Ec2Snitch

1) Snitch will automatically set the public IP by querying the AWS API 2) Snitch will set the private IP as a Gossip application state. 3) Uses a helper class that implements IESCS and will reset the public IP connection if it is within the same region to communicate via private IP. Operational: All the nodes in this cluster needs to be able to (modify the Security group settings in AWS) communicate via Public IP's.

Field Summary

Fields inherited from class org.apache.cassandra.locator.Ec2Snitch

connector, ec2region, ec2zone, logger, ZONE_NAME_QUERY

Constructor Summary

Constructors

Constructor and Description
Ec2MultiRegionSnitch()
Ec2MultiRegionSnitch(SnitchProperties props)
Ec2MultiRegionSnitch(SnitchProperties props, org.apache.cassandra.locator.Ec2MetadataServiceConnector connector)

Method Summary

Modifier and Type	Method and Description
void	gossiperStarting() called after Gossiper instance exists immediately before it starts gossiping

Methods inherited from class org.apache.cassandra.locator.Ec2Snitch

getDatacenter, getRack

Methods inherited from class org.apache.cassandra.locator.AbstractNetworkTopologySnitch

compareEndpoints

Methods inherited from class org.apache.cassandra.locator.AbstractEndpointSnitch

getSortedListByProximity, isWorthMergingForRangeQuery, sortByProximity

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Ec2MultiRegionSnitch

public Ec2MultiRegionSnitch()
                     throws java.io.IOException,
                            ConfigurationException

Throws:

java.io.IOException

ConfigurationException

Ec2MultiRegionSnitch

public Ec2MultiRegionSnitch(SnitchProperties props)
                     throws java.io.IOException,
                            ConfigurationException

Throws:

java.io.IOException

ConfigurationException

Ec2MultiRegionSnitch

public Ec2MultiRegionSnitch(SnitchProperties props,
                            org.apache.cassandra.locator.Ec2MetadataServiceConnector connector)
                     throws java.io.IOException

Throws:

java.io.IOException

Method Detail

gossiperStarting

public void gossiperStarting()

Description copied from interface: IEndpointSnitch

called after Gossiper instance exists immediately before it starts gossiping

Specified by:

gossiperStarting in interface IEndpointSnitch

Overrides:

gossiperStarting in class AbstractEndpointSnitch