Reading of the previously synced data will fail if the last block got
corrupted.
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Key: HDFS-1944
URL: https://issues.apache.org/jira/browse/HDFS-1944
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node, hdfs client, name-node
Affects Versions: 0.20-append
Reporter: Uma Maheswara Rao G
For example a file can comprise 5 blcoks . In that we have written 4.5 blocks
and invoked sync.
Reading of this 4.5 blocks will be successful at this point of time.
Now when writing the remaining 0.5 block write has failed due to checksum
errors, Then the reading of the previously synced 4.5 blocks also fails.
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