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https://issues.apache.org/jira/browse/HDFS-13173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shashikant Banerjee updated HDFS-13173:
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Attachment: HDFS-13173.001.patch
> Replace ArrayList with DirectoryDiffList(SnapshotSkipList) to store
> DirectoryDiffs
> ----------------------------------------------------------------------------------
>
> Key: HDFS-13173
> URL: https://issues.apache.org/jira/browse/HDFS-13173
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
> Attachments: HDFS-13173.001.patch
>
>
> This Jira will replace the existing ArrayList with DirectoryDiffList to store
> directory diffs for snapshots based on the config value of maxSkipLevels. If
> the config specified is set to greater than 0, SnapshotSkipList will be used
> to store DirectoryDiffs else ArrayList will be used. The config value is set
> to 0 by default.
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