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Date: Wed, 13 Jul 2011 22:42:59 +0000 (UTC)
From: "Tsz Wo (Nicholas), SZE (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HDFS-2140) Move Host2NodesMap to block management
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     [ https://issues.apache.org/jira/browse/HDFS-2140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo (Nicholas), SZE updated HDFS-2140:
-----------------------------------------

    Attachment: h2140_201107113.patch

Hi Suresh, thanks for reviewing the patch.

I intend to have some straightforward changes, moving codes from the namenode package to the block management package.  For fixing lock mechanism, let's do it separately.

I am going to move namesystem.datanodeMap and other datanode related code (registration, heartbeat, etc.) to DatanodeManager.  This is going to be a big patch.


h2140_201107113.patch: added javadoc for Host2NodesMap and renamed unprotectedAddDatanode to addDatanode.

> Move Host2NodesMap to block management
> --------------------------------------
>
>                 Key: HDFS-2140
>                 URL: https://issues.apache.org/jira/browse/HDFS-2140
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h2140_20110711.patch, h2140_201107113.patch, h2140_20110711b.patch
>
>


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