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https://issues.apache.org/jira/browse/HDFS-3051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13258432#comment-13258432
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Tim Broberg commented on HDFS-3051:
-----------------------------------
This interface adds some complexity to the ZeroCopyCompressor interface,
HADOOP-8148. Debugging traversal of a list of objects across JNI is likely to
take some work.
Are we approaching any kind of consensus on whether to incorporate this or not?
Also, how large are the individual buffers in these lists, typically?
> A zero-copy ScatterGatherRead api from FSDataInputStream
> --------------------------------------------------------
>
> Key: HDFS-3051
> URL: https://issues.apache.org/jira/browse/HDFS-3051
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs client
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
>
> It will be nice if we can get a new API from FSDtaInputStream that allows for
> zero-copy read for hdfs readers.
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