hadoop-hdfs-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5051) Propagate cache status information from the DataNode to the NameNode
Date Tue, 13 Aug 2013 23:57:51 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5051?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739042#comment-13739042
] 

Suresh Srinivas commented on HDFS-5051:
---------------------------------------

Can you comment on this:
bq. I see the code related to initial cache report after random jitter. When a datanode starts,
do we expect any thing to be in the cache at all? 
                
> Propagate cache status information from the DataNode to the NameNode
> --------------------------------------------------------------------
>
>                 Key: HDFS-5051
>                 URL: https://issues.apache.org/jira/browse/HDFS-5051
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Colin Patrick McCabe
>            Assignee: Andrew Wang
>         Attachments: hdfs-5051-1.patch, hdfs-5051-2.patch
>
>
> The DataNode needs to inform the NameNode of its current cache state. Let's wire up the
RPCs and stub out the relevant methods on the DN and NN side.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira

Mime
View raw message