You are viewing a plain text version of this content. The canonical link for it is here.

Posted to hdfs-issues@hadoop.apache.org by "Arpit Agarwal (JIRA)" <ji...@apache.org> on 2014/09/03 07:57:51 UTC

[jira] [Work started] (HDFS-6991) Notify NN of evicted block before deleting it from RAM disk

     [ https://issues.apache.org/jira/browse/HDFS-6991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HDFS-6991 started by Arpit Agarwal.
-------------------------------------------
> Notify NN of evicted block before deleting it from RAM disk
> -----------------------------------------------------------
>
>                 Key: HDFS-6991
>                 URL: https://issues.apache.org/jira/browse/HDFS-6991
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>    Affects Versions: HDFS-6581
>            Reporter: Arpit Agarwal
>            Assignee: Arpit Agarwal
>
> When evicting a block from RAM disk to persistent storage, the DN should notify the NN of the persistent replica before deleting the replica from RAM disk. Else there can be a window of time during which the block is considered 'missing' by the NN.
> Found by [~xyao] via HDFS-6950.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)