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https://issues.apache.org/jira/browse/HADOOP-12060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14585358#comment-14585358
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Kai Zheng commented on HADOOP-12060:
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Thanks [~jingzhao] for the great comments! I will address them all in following
update.
> Address some issues related to ByteBuffer type input/output buffers for raw
> erasure coders
> ------------------------------------------------------------------------------------------
>
> Key: HADOOP-12060
> URL: https://issues.apache.org/jira/browse/HADOOP-12060
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: io
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Attachments: HADOOP-12060-HDFS-7285-v1.patch
>
>
> In HDFS-8319 [~jingzhao] raised some issues about ByteBuffer type
> input/output buffers for raw erasure coders:
> * Should support ByteBuffers originated from {{ByteBuffer#slice}} calls;
> * Should clearly spec in Javadoc that no mixing of on-heap buffers and direct
> buffers are allowed, and with necessary checking codes ensuring the same type
> of buffers are used.
> In HDFS-8319 patch by [~jingzhao] there are some good refactoring codes that
> would be incorporated here.
> As discussed open this to address the issues separately.
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