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https://issues.apache.org/jira/browse/HDFS-13248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391383#comment-16391383
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maobaolong commented on HDFS-13248:
-----------------------------------
Maybe we can modify the client logic, let the client get the correct namenode
from router, then the client call to namenode.
Not sure this is a wise way, because people doesn't want to update client
package, further more, some body doesn't use the client.
> RBF: namenode need to choose block location for the client
> ----------------------------------------------------------
>
> Key: HDFS-13248
> URL: https://issues.apache.org/jira/browse/HDFS-13248
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Weiwei Wu
> Priority: Major
>
> When execute a put operation via router, the namenode will choose block
> location for the router, not for the real client. This will affect the file's
> locality.
> I think on both namennode and router, we should add a new addBlock method, or
> add a parameter for the current addBlock method, to pass the real client
> information.
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