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https://reviews.apache.org/r/27/
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Review request for hadoop-hdfs.
Summary
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DFSClient.getBlockLocations returns BlockLocations with no indication that the
corresponding blocks are corrupt
When there are no uncorrupted replicas of a block,
FSNamesystem.getBlockLocations returns LocatedBlocks corresponding to corrupt
blocks. When DFSClient converts these to BlockLocations, the information that
the corresponding block is corrupt is lost. We should add a field to
BlockLocation to indicate whether the corresponding block is corrupt in order
to warn the client that reading this block will fail. This would be especially
useful for tools such as RAID FSCK, which could then easily inspect whether
data or parity blocks are corrupted without having to make direct RPC calls
This addresses bug HDFS-1483.
https://issues.apache.org/jira/browse/HDFS-1483
Diffs
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http://svn.apache.org/repos/asf/hadoop/hdfs/trunk/src/java/org/apache/hadoop/hdfs/DFSUtil.java
1028386
http://svn.apache.org/repos/asf/hadoop/hdfs/trunk/src/test/hdfs/org/apache/hadoop/hdfs/TestDFSUtil.java
PRE-CREATION
Diff: https://reviews.apache.org/r/27/diff
Testing
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TestDFSUtil
Thanks,
Patrick
