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https://issues.apache.org/jira/browse/HDFS-235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746094#action_12746094
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Bill Zeller commented on HDFS-235:
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I believe you're asking if seek() could be called on the FSDataInputStream
object returned by HftpFileSystem::open if byte-ranges are implemented. Seek
could be called, but it would only allow seeking between the byte-range
initially specified when making the open() call. I don't believe byte-ranges
could be used to optimize seek, because the seek is happening after the HTTP
response returns. This forces seek() to work within the confines of the bytes
already requested.
> Add support for byte-ranges to hftp
> -----------------------------------
>
> Key: HDFS-235
> URL: https://issues.apache.org/jira/browse/HDFS-235
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: Venkatesh S
> Assignee: Bill Zeller
>
> Support should be similar to http byte-serving.
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