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https://issues.apache.org/jira/browse/HDFS-3689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-3689:
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Attachment: HDFS-3689.branch-2.patch
Post the patch for branch-2. So far I have not found any place where the
functionality is broken by the variable length block. Maybe we should merge
this to branch-2 this week? Note that the variable length block will not be
generated unless the user explicitly passes in the {{CreateFlag#NEW_BLOCK}}
while creating the file. Also if we find anything is broken by this feature we
can fix them in separate jiras.
> 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: Jing Zhao
> Fix For: 3.0.0
>
> Attachments: HDFS-3689.000.patch, HDFS-3689.001.patch,
> HDFS-3689.002.patch, HDFS-3689.003.patch, HDFS-3689.003.patch,
> HDFS-3689.004.patch, HDFS-3689.005.patch, HDFS-3689.006.patch,
> HDFS-3689.007.patch, HDFS-3689.008.patch, HDFS-3689.008.patch,
> HDFS-3689.009.patch, HDFS-3689.009.patch, HDFS-3689.010.patch,
> HDFS-3689.branch-2.patch, editsStored
>
>
> 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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