daimin created HDFS-16286:
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Summary: Debug tool to verify the correctness of erasure coding on
file
Key: HDFS-16286
URL: https://issues.apache.org/jira/browse/HDFS-16286
Project: Hadoop HDFS
Issue Type: Improvement
Components: erasure-coding, tools
Affects Versions: 3.3.1, 3.3.0
Reporter: daimin
Assignee: daimin
Block data in erasure coded block group may corrupt and the block meta
(checksum) is unable to discover the corruption in some cases such as EC
reconstruction, related issues are: HDFS-14768, HDFS-15186, HDFS-15240.
In addition to HDFS-15759, there needs a tool to check erasure coded file
whether any block group has data corruption in case of other conditions rather
than EC reconstruction, or the feature HDFS-15759(validation during EC
reconstruction) is not open(which is close by default now).
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