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https://issues.apache.org/jira/browse/CASSANDRA-7839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Brown resolved CASSANDRA-7839.
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Resolution: Fixed
Reviewer: Joseph Lynch
Fix Version/s: 4.0
committed as sha {{fd44a69fce135c6ddf7ebcba25d032a36a1d9064}}. Thanks, all
> Support standard EC2 naming conventions in Ec2Snitch
> ----------------------------------------------------
>
> Key: CASSANDRA-7839
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7839
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Gregory Ramsperger
> Assignee: Jason Brown
> Priority: Major
> Labels: docs-impacting
> Fix For: 4.0
>
> Attachments: CASSANDRA-7839-aws-naming-conventions.patch
>
>
> The EC2 snitches use datacenter and rack naming conventions inconsistent with
> those presented in Amazon EC2 APIs as region and availability zone. A
> discussion of this is found in CASSANDRA-4026. This has not been changed for
> valid backwards compatibility reasons. Using SnitchProperties, it is possible
> to switch between the legacy naming and the full, AWS-style naming.
> Proposal:
> * introduce a property (ec2_naming_scheme) to switch naming schemes.
> * default to current/legacy naming scheme
> * add support for a new scheme ("standard") which is consistent AWS
> conventions
> ** data centers will be the region name, including the number
> ** racks will be the availability zone name, including the region name
> Examples:
> * * legacy* : datacenter is the part of the availability zone name preceding
> the last "\-" when the zone ends in \-1 and includes the number if not \-1.
> Rack is the portion of the availability zone name following the last "\-".
> ** us-west-1a => dc: us-west, rack: 1a
> ** us-west-2b => dc: us-west-2, rack: 2b;
> * *standard* : datacenter is the part of the availability zone name preceding
> zone letter. rack is the entire availability zone name.
> ** us-west-1a => dc: us-west-1, rack: us-west-1a
> ** us-west-2b => dc: us-west-2, rack: us-west-2b;
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