Konstantin Shvachko created HDFS-7263:
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Summary: Snapshot read of an appended file returns more bytes than
the file length.
Key: HDFS-7263
URL: https://issues.apache.org/jira/browse/HDFS-7263
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Affects Versions: 2.5.0
Reporter: Konstantin Shvachko
The following sequence of steps will produce extra bytes, that should not be
visible, because they are not in the snapshot.
* Create a file of size L, where {{L % blockSize != 0}}.
* Create a snapshot
* Append bytes to the file
* Read file in the snapshot (not the current file)
* You will see the bytes are read beoynd the original file size L
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