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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-3689.006.patch
Thanks for the review, Nicholas! Update the patch to address the comments.
Here's a summary of the changes:
# remove the new Append2 API and add a boolean {{newBlock}} to
{{ClientProtocol#append}} to indicate whether the data should be appended to a
new block
# still add a new OP_APPEND editlog and use it also for the old append
operation (instead of using OP_ADD)
# update the APPEND inotify event
# Fix the bug in flushOrSync as pointed by Nicholas
> 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
> 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
>
>
> 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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