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https://issues.apache.org/jira/browse/HDFS-14355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16792596#comment-16792596
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Feilong He commented on HDFS-14355:
-----------------------------------
Currently, the patch for this subtask is an incremental one based on the patch
for HDFS-14354. I just uploaded HDFS-14355.001.patch for tracking
HDFS-14354.004.patch.
Please feel free to post you comments, thanks!
> Implement SCM cache 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
>
>
> 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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