[ https://issues.apache.org/jira/browse/HDFS-2591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-2591:
------------------------------
Attachment: hdfs-2591-v3.txt
Small update to fix some unit test failures discovered when testing this patch against the
tip of branch:
- add a toString method to ConfiguredNNAddress (helpful when debugging)
- change {{addNameNode}} to fail when trying to add a NN to a minicluster which wasn't set
up as federated (to fix failure of TestDatanodeMultipleRegistrations)
- fix TestDatanodeMulitipleBlockScanner to use the DN's old configuration when refreshing
it
Fairly trivial delta between the two, so I'll commit unless there's any comment in the next
few hours.
> HA: MiniDFSCluster support to mix and match federation with HA
> --------------------------------------------------------------
>
> Key: HDFS-2591
> URL: https://issues.apache.org/jira/browse/HDFS-2591
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, test
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hdfs-2591-v2.txt, hdfs-2591-v3.txt, hdfs-2591.txt
>
>
> Right now the MiniDFS builder is somewhat inflexible - it just takes a "numNameNodes"
parameter, which is used to specify federated nameservices. In order to add HA support, we
need to be able to be more specific when configuring the NNs -- eg to test the case where
there is one nameservice that is HA and another which is not.
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