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https://issues.apache.org/jira/browse/HADOOP-6467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806131#action_12806131
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Mahadev konar commented on HADOOP-6467:
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doug,
most of the metadata that is used in archives is plain text. For later uses
when we have more advanced archives avro would surely be suitable. For this
jira, the goal is to make archives performant and be usable on a regular basis
by users.
> Performance improvement for liststatus on directories in hadoop archives.
> -------------------------------------------------------------------------
>
> Key: HADOOP-6467
> URL: https://issues.apache.org/jira/browse/HADOOP-6467
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Fix For: 0.22.0
>
> Attachments: Archives_performance.docx
>
>
> A liststatus call on a directory in hadoop archives leads to ( 2* number of
> files in directory) open calls to the namenode. This is very sub optimal and
> needs to be fixed to make it performant enough to be used on a daily basis.
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