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From "xupeng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10328) Add cache pool level replication managment
Date Tue, 26 Apr 2016 07:04:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

xupeng updated HDFS-10328:
    Attachment: HADOOP-10328.001.patch

> Add cache pool level replication managment 
> -------------------------------------------
>                 Key: HDFS-10328
>                 URL: https://issues.apache.org/jira/browse/HDFS-10328
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: caching
>            Reporter: xupeng
>            Assignee: xupeng
>            Priority: Minor
>             Fix For: 2.3.0
>         Attachments: HADOOP-10328.001.patch
> For now, hdfs cacheadmin can not set a replication num for cachepool. Each cache directive
added in the cache pool should set their own replication num individually. 
> Consider this situation, we add daily hive table into cache pool "hive" .Each time i
should set the same replication num for every table directive in the same cache pool.  
> I think we should enable setting a replication num for cachepool that every cache directive
in the pool can inherit replication configuration from the pool. Also cache directive can
override replication configuration explicitly by calling "add & modify  directive -replication"
command from cli.    

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