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From "Chen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11537) Block Storage : add cache layer
Date Mon, 27 Mar 2017 18:44:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15943821#comment-15943821
] 

Chen Liang commented on HDFS-11537:
-----------------------------------

The failed tests were caused by "address already in use" error. The tests passed in local
runs so the fails seem to be specific to this particular Jenkins run. The checkstyle warnings
were about the setting method, as mentioned above.

> 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-HDFS-7240.004.patch, HDFS-11537-HDFS-7240.005.patch,
HDFS-11537-HDSF-7240.001.patch, HDFS-11537-HDSF-7240.002.patch, HDFS-11537-HDSF-7240.003.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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