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https://issues.apache.org/jira/browse/HDFS-3689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14104411#comment-14104411
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Jing Zhao commented on HDFS-3689:
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The sparse file idea sounds good to me. Let me see if I can implement a demo
for this. Also, let's hear from [~owen.omalley], [~hagleitn], and [~gopalv] who
understand the hive use cases to see if this can meet their requirement.
> Add support for variable length block
> -------------------------------------
>
> Key: HDFS-3689
> URL: https://issues.apache.org/jira/browse/HDFS-3689
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: datanode, hdfs-client, namenode
> Affects Versions: 3.0.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HDFS-3689.000.patch, HDFS-3689.001.patch
>
>
> Currently HDFS supports fixed length blocks. Supporting variable length block
> will allow new use cases and features to be built on top of HDFS.
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