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Date: Wed, 15 Mar 2017 23:02:41 +0000 (UTC)
From: "Chen Liang (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.13056471.1489618609000.32157.1489618961549@Atlassian.JIRA>
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Subject: [jira] [Updated] (HDFS-11537) Block Storage : add cache layer
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archived-at: Wed, 15 Mar 2017 23:02:48 -0000


     [ https://issues.apache.org/jira/browse/HDFS-11537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chen Liang updated HDFS-11537:
------------------------------
    Description: 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.   (was: 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. [~anu] is actually the author who contributed to most of this part.)

> 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
>
>
> 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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