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From "Arya Goudarzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5155) Make Ec2Region's datacenter name configurable
Date Sat, 23 Feb 2013 05:46:13 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585017#comment-13585017
] 

Arya Goudarzi commented on CASSANDRA-5155:
------------------------------------------

Buddy, this breaks the node startup if cassandra-rackdc.properties is not present for nodes
using Ec2 and Ec2MultiRegion snitches as a RuntimeException is thrown in SnitchProperties.java.
I think we should either include an empty cassandra-rackdc.properties in the package or have
the default being returned on FileNotFoundException. What do you think? I opened another bug
with the same comment. See CASSANDRA-5281
                
> Make Ec2Region's datacenter name configurable
> ---------------------------------------------
>
>                 Key: CASSANDRA-5155
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5155
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.1.8, 1.2.0
>            Reporter: Jason Brown
>            Assignee: Jason Brown
>            Priority: Minor
>             Fix For: 1.1.10, 1.2.1
>
>         Attachments: 0001-allow-Ec2Region-s-datacenter-name-to-be-configurable.patch,
0002-CASSANDRA-5155.patch
>
>
> Ec2Region sets a one-to-one mapping between the EC2 region name and the datacenter name.
I'd like to be able to make the DC name configurable.
> The use case here is running DataStax Enterprise in EC2 and the need to have a plain
c* datacenter and a c*/solr cluster datacenter running within the same region (for the same
cluster). Can't make the two (or more) datacenters in the region with the one-to-one mapping
of EC2 region to c* DC.

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