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From "Kitti Nanasi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-14061) Check if the cluster topology supports the EC policy before setting, enabling or adding it
Date Mon, 14 Jan 2019 10:02:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-14061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kitti Nanasi updated HDFS-14061:
--------------------------------
    Attachment: HDFS-14061.005.patch

> Check if the cluster topology supports the EC policy before setting, enabling or adding
it
> ------------------------------------------------------------------------------------------
>
>                 Key: HDFS-14061
>                 URL: https://issues.apache.org/jira/browse/HDFS-14061
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: erasure-coding, hdfs
>    Affects Versions: 3.1.1
>            Reporter: Kitti Nanasi
>            Assignee: Kitti Nanasi
>            Priority: Major
>         Attachments: HDFS-14061.001.patch, HDFS-14061.002.patch, HDFS-14061.003.patch,
HDFS-14061.004.patch, HDFS-14061.005.patch
>
>
> HDFS-12946 introduces a command for verifying if there are enough racks and datanodes
for the enabled erasure coding policies.
> This verification could be executed for the erasure coding policy before enabling, setting
or adding it and a warning message could be written if the verify fails, or the policy setting
could be even failed in this case.



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