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https://issues.apache.org/jira/browse/HDFS-12615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16349120#comment-16349120
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Íñigo Goiri commented on HDFS-12615:
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[~linyiqun] was asking in HDFS-13043 what would be the plan was we completed
the tasks related to exposing the Router state.
At this point the only critical task missing is enabling security (mainly
HDFS-12284), [~zhengxg3] has been doing progress there and we are only missing
the delegation tokens.
The other tasks are mostly done we should try to complete them, the most
important in my opinion:
* HDFS-12773 to do a proper HDFS State Store.
* HDFS-12792 to have complete unit tests.
Then there are a bunch of open topics:
# Rebalancer of data across subclusters. We have some internal prototype based
on DistCp that I shared with [~ywskycn] (we could also include moving blocks
across blockpools). We could start a separate umbrella for this.
# DNs interacting with the Routers. I recently opened HDFS-13098 to discuss
this but this could.
# Spreading a mount point across multiple mount points. This is similar to
merge mount points and we have most of it working in production.
What is the opinion around? Which ones we should tackle in this umbrella? Any
preference?
> Router-based HDFS federation phase 2
> ------------------------------------
>
> Key: HDFS-12615
> URL: https://issues.apache.org/jira/browse/HDFS-12615
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Labels: RBF
>
> This umbrella JIRA tracks set of improvements over the Router-based HDFS
> federation (HDFS-10467).
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