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From "Kai Sasaki (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7826) Erasure Coding: Update INodeFile quota computation for striped blocks
Date Mon, 02 Mar 2015 00:14:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14342554#comment-14342554
] 

Kai Sasaki commented on HDFS-7826:
----------------------------------

[~jingzhao] I have a question about compute quota usage on INodeFile. The methods used in
INodeFile seem to be already updated to compute for striped blocks. I think name space quota
is the same to contiguous one and storage space quota can be calculated by `storagespaceConsumedNoReplication`
due to [this commit](https://github.com/apache/hadoop/commit/edb29268884642dfeed9315f4dd8c4bb2979e414#diff-14f4a294c57a9aa32512d13ec2f120d3L420)
. Is this assumption correct? I will be glad to hear your advice. Thank you.

> Erasure Coding: Update INodeFile quota computation for striped blocks
> ---------------------------------------------------------------------
>
>                 Key: HDFS-7826
>                 URL: https://issues.apache.org/jira/browse/HDFS-7826
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: Kai Sasaki
>
> Currently INodeFile's quota computation only considers contiguous blocks (i.e., {{INodeFile#blocks}}).
We need to update it to support striped blocks.



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