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Konstantin Shvachko updated HDFS-7263: -------------------------------------- Summary: Snapshot read can reveal future bytes for appended files. (was: Snapshot read of an appended file returns more bytes than the file length.) +1 > Snapshot read can reveal future bytes for appended files. > --------------------------------------------------------- > > 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 > Assignee: Tao Luo > Attachments: HDFS-7263.patch, HDFS-7263.patch, HDFS-7263.patch, > TestSnapshotRead.java > > > 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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)