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https://issues.apache.org/jira/browse/HDFS-11537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15933090#comment-15933090
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Xiaoyu Yao commented on HDFS-11537:
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Thanks [~vagarychen] for updating the patch. +1 for v2 pending Jenkins.
> Block Storage : add cache layer
> -------------------------------
>
> Key: HDFS-11537
> URL: https://issues.apache.org/jira/browse/HDFS-11537
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs
> Reporter: Chen Liang
> Assignee: Chen Liang
> Attachments: HDFS-11537-HDSF-7240.001.patch,
> HDFS-11537-HDSF-7240.002.patch
>
>
> This JIRA adds the cache layer. Specifically, this JIRA implements the cache
> interface in HDFS-11361 and adds the code that actually talks to containers.
> The upper layer can simply view the storage as a cache with simple put and
> get interface, while in the backend the get and put are actually talking to
> containers. This is a critical part to the cblock performance.
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