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https://issues.apache.org/jira/browse/HDFS-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13083391#comment-13083391
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Konstantin Shvachko commented on HDFS-2231:
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bq. You want to use backup node ... Some want solution where they do not want
ip failover, nor special load balancer.
I think Allen's point is which approach are you taking and implementing. I've
asked this many times. It seems that you are building a universal HA framework
that would fit multiple approaches. If so that would be "trying to do too much"
as Allen states. E.g. with IP failover approach you probably don't need any
configuration changes.
bq. if you do not make changes. and overload backup configuration to mean
standby, it is not clean.
"clean" is a subjective metrics.
The configuration parameters should be the same for Backup and Standby nodes.
As these are only different roles of the single NodeNode. If some of existing
parameters need to be reasonably renamed I'm for it.
> Configuration changes for HA namenode
> -------------------------------------
>
> Key: HDFS-2231
> URL: https://issues.apache.org/jira/browse/HDFS-2231
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: HA branch (HDFS-1623)
>
>
> This jira tracks the changes required for configuring HA setup for namenodes.
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