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https://issues.apache.org/jira/browse/HDFS-14355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16802698#comment-16802698
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Feilong He commented on HDFS-14355:
-----------------------------------
HDFS-14355.005.patch is uploaded with some code refinement.
@[~umamaheswararao], @[~rakeshr], @[~daryn], @[~Sammi], please review the patch
again to see whether it needs some more improvements. I would be happy to get
your feedback.
Thanks!
> Implement HDFS cache on SCM by using pure java mapped byte buffer
> -----------------------------------------------------------------
>
> Key: HDFS-14355
> URL: https://issues.apache.org/jira/browse/HDFS-14355
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: caching, datanode
> Reporter: Feilong He
> Assignee: Feilong He
> Priority: Major
> Attachments: HDFS-14355.000.patch, HDFS-14355.001.patch,
> HDFS-14355.002.patch, HDFS-14355.003.patch, HDFS-14355.004.patch,
> HDFS-14355.005.patch
>
>
> This task is to implement the caching to persistent memory using pure
> {{java.nio.MappedByteBuffer}}, which could be useful in case native support
> isn't available or convenient in some environments or platforms.
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