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Posted to hdfs-issues@hadoop.apache.org by "maobaolong (JIRA)" <ji...@apache.org> on 2019/04/13 14:24:00 UTC

[jira] [Commented] (HDFS-13804) DN maxDataLength is useless except DN webui. I suggest to get maxDataLength from NN heartbeat.

    [ https://issues.apache.org/jira/browse/HDFS-13804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16816955#comment-16816955 ] 

maobaolong commented on HDFS-13804:
-----------------------------------

[~jojochuang] If DN can get the maxDataLength after DN register to NN, NN return the maxDataLength to the DN, so that, DN never need to config the maxDataLength. Do you think this make sense?

> DN maxDataLength is useless except DN webui. I suggest to get maxDataLength from NN heartbeat.
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-13804
>                 URL: https://issues.apache.org/jira/browse/HDFS-13804
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode
>            Reporter: maobaolong
>            Priority: Major
>              Labels: DataNode
>




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