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From "Kitti Nanasi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-14061) Check if the cluster topology supports the EC policy before setting, enabling or adding it
Date Fri, 09 Nov 2018 14:03:00 GMT
Kitti Nanasi created HDFS-14061:
-----------------------------------

             Summary: 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


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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