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https://issues.apache.org/jira/browse/HDFS-10548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15359780#comment-15359780
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Andrew Wang commented on HDFS-10548:
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SGTM, feel free to commit Kai. +1.
> Remove the long deprecated BlockReaderRemote
> --------------------------------------------
>
> Key: HDFS-10548
> URL: https://issues.apache.org/jira/browse/HDFS-10548
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Attachments: HDFS-10548-v1.patch, HDFS-10548-v2.patch,
> HDFS-10548-v3.patch
>
>
> To lessen the maintain burden like raised in HDFS-8901, suggest we remove
> {{BlockReaderRemote}} class that's deprecated very long time ago.
> From {{BlockReaderRemote}} header:
> {quote}
> * @deprecated this is an old implementation that is being left around
> * in case any issues spring up with the new {@link BlockReaderRemote2}
> * implementation.
> * It will be removed in the next release.
> {quote}
> From {{BlockReaderRemote2}} class header:
> {quote}
> * This is a new implementation introduced in Hadoop 0.23 which
> * is more efficient and simpler than the older BlockReader
> * implementation. It should be renamed to BlockReaderRemote
> * once we are confident in it.
> {quote}
> So even further, after getting rid of the old class, we could rename as the
> comment suggested: BlockReaderRemote2 => BlockReaderRemote.
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