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Posted to mapreduce-dev@hadoop.apache.org by "BELUGA BEHR (JIRA)" <ji...@apache.org> on 2017/08/02 18:53:00 UTC
[jira] [Created] (MAPREDUCE-6928) BackupStore Should Checksum Files
Persisted To Disk
BELUGA BEHR created MAPREDUCE-6928:
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Summary: BackupStore Should Checksum Files Persisted To Disk
Key: MAPREDUCE-6928
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6928
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv2
Affects Versions: 3.0.0-alpha4, 2.8.1
Reporter: BELUGA BEHR
Priority: Minor
The class {{org.apache.hadoop.mapred.BackupStore}} persists data to memory or disk. Like the {{IFile}} format that this class works in tandem with, the data in {{BackupStore}} should be under a check sum to prevent otherwise good data from becoming corrupt.
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