Description
Create file with some data.
Go to DataNode and vi the block; add some extra data to the block.
Start doing a bunch of 'hdfs dfs -cat <file path>'s; should see checksum error.
NameNode should replicate a new healthy block and delete the corrupt block.
Attachments
Issue Links
- duplicates
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BIGTOP-1560 Add a test case for performing block corruption recovery
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- Resolved
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