[ http://issues.apache.org/jira/browse/HADOOP-226?page=all ]
Sameer Paranjpye updated HADOOP-226:
------------------------------------
Fix Version: 0.4
Version: 0.2
> DFSShell problems. Incorrect block replication detection in fsck.
> -----------------------------------------------------------------
>
> Key: HADOOP-226
> URL: http://issues.apache.org/jira/browse/HADOOP-226
> Project: Hadoop
> Type: Bug
> Components: dfs
> Versions: 0.2
> Environment: All
> Reporter: Konstantin Shvachko
> Fix For: 0.4
>
> 1. We need to adjust Dfsck to the new per-file replication feature.
> fsck checks block replication based on the configured global replication
> parameter.
> Which is now just the default. The actual file replication is returned in
> DFSFileInfo.
> So at least the reporting is screwed by that, although I didn't check what
> will happen with
> other options -move and -delete.
> 2. fsck throws NullPointerException if you type
> bin/hadoop fsck -files /doc
> instead of
> bin/hadoop fsck /doc -files
> 3. Unfortunately, there are several commands that throw different kinds of
> Exceptions
> rather than at least printing the usage info, when some of its arguments are
> missing or
> misplaced. ArrayIndexOutOfBoundsException is one them. Try
> bin/hadoop dfs -mv
> bin/hadoop dfs -cp
> bin/hadoop dfs -rm
> 4. In general the shell is growing and getting more sophisticated.
> Should we work out a general convention on how the parameters should be
> structured, named,
> short/long version of the keywords, help, etc.
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