Kitti Nanasi created HDFS-14061:
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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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