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Posted to hdfs-dev@hadoop.apache.org by "Allen Wittenauer (Resolved) (JIRA)" <ji...@apache.org> on 2011/11/02 18:53:33 UTC

[jira] [Resolved] (HDFS-870) Topology is permanently cached

     [ https://issues.apache.org/jira/browse/HDFS-870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HDFS-870.
-----------------------------------

    Resolution: Won't Fix

Sites should implement their own Java class that duplicates the current script method but implements caching.  Closing as won't fix.
                
> Topology is permanently cached
> ------------------------------
>
>                 Key: HDFS-870
>                 URL: https://issues.apache.org/jira/browse/HDFS-870
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Allen Wittenauer
>
> Replacing the topology script requires a namenode bounce because the NN caches the information permanently.  It should really either expire it periodically or expire on -refreshNodes.

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