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Type:
Bug
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 1.1.0
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Component/s: performance
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Labels:None
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Hadoop Flags:Reviewed
Multiple efforts have been made gradually to improve the CRC performance in Hadoop. This JIRA is to back port these changes to branch-1, which include HADOOP-6166, HADOOP-6148, HADOOP-7333.
The related HDFS and MAPREDUCE patches are uploaded to their original JIRAs HDFS-496 and MAPREDUCE-782.
- relates to
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HADOOP-6148 Implement a pure Java CRC32 calculator
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- Closed
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HADOOP-6166 Improve PureJavaCrc32
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- Closed
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HADOOP-7333 Performance improvement in PureJavaCrc32
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- Closed
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HDFS-496 Use PureJavaCrc32 in HDFS
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- Closed
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MAPREDUCE-782 Use PureJavaCrc32 in mapreduce spills
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- Closed
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