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https://issues.apache.org/jira/browse/HDFS-6673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14284590#comment-14284590
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Lei (Eddy) Xu commented on HDFS-6673:
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One more thing, we'd also like to have the full path of each file, storing
inode as {{IN || parent id || localName}} still requires look up of the parent
directory somehow.
Additionally, since the first {{inode -> parent id}} mapping is very small
(<100MB for this 3.3GB fsimage), it should be reasonable cached by OS. It also
avoids LevelDB's write amplification to some extends in my tests.
> Add Delimited format supports for PB OIV tool
> ---------------------------------------------
>
> Key: HDFS-6673
> URL: https://issues.apache.org/jira/browse/HDFS-6673
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 2.4.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Priority: Minor
> Attachments: HDFS-6673.000.patch, HDFS-6673.001.patch,
> HDFS-6673.002.patch, HDFS-6673.003.patch, HDFS-6673.004.patch,
> HDFS-6673.005.patch
>
>
> The new oiv tool, which is designed for Protobuf fsimage, lacks a few
> features supported in the old {{oiv}} tool.
> This task adds supports of _Delimited_ processor to the oiv tool.
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