Details
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Improvement
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Status: Closed
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Major
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Resolution: Duplicate
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None
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None
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None
Description
HDFS should record every new block allocation (of a file) into its transaction logs. In the current code, block allocations are persisted only when a file is closed or hflush-ed. This feature will enable HDFS writers to survive namenode restarts.
Attachments
Issue Links
- duplicates
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HDFS-1108 Log newly allocated blocks
- Closed