nkeywal created HDFS-3701:
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Summary: HDFS may miss the final block when reading a file opened
for writing if one of the datanode is dead
Key: HDFS-3701
URL: https://issues.apache.org/jira/browse/HDFS-3701
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs client
Affects Versions: 1.0.3
Reporter: nkeywal
Priority: Critical
When the file is opened for writing, the DFSClient calls one of the datanode
owning the last block to get its size. If this datanode is dead, the socket
exception is shallowed and the size of this last block is equals to zero. This
seems to be fixed on trunk, but I didn't find a related Jira. On 1.0.3, it's
not fixed. It's on the same area as HDFS-1950 or HDFS-3222.
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