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Posted to hdfs-dev@hadoop.apache.org by "Eli Collins (JIRA)" <ji...@apache.org> on 2011/04/21 19:11:06 UTC

[jira] [Resolved] (HDFS-243) Namenode cluster(multi namenode working in active-active mode) to keep high availability and expansivity

     [ https://issues.apache.org/jira/browse/HDFS-243?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eli Collins resolved HDFS-243.
------------------------------

    Resolution: Duplicate

Closing as a dupe of HDFS-1064 (NN availability), HDFS-1052 (scalability via multiple NNs).

> Namenode cluster(multi namenode working in active-active mode) to keep high availability and expansivity
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-243
>                 URL: https://issues.apache.org/jira/browse/HDFS-243
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>         Environment: Hadoop cluster on more than thousands of nodes, most of all, the number of files is mass.
>            Reporter: Meng Xu
>              Labels: Availability, HA, High
>   Original Estimate: 672h
>  Remaining Estimate: 672h
>
>  If we use the DFS to store a great quantity of files which is very small, i.e. the namenode is under high pressure of indexing files, should we consider to introduce other namenodes working concurrently for availability and scalability?

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