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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-470) Some improvements in the DFS content browsing UI
Date Tue, 22 Aug 2006 05:56:13 GMT
Some improvements in the DFS content browsing UI
------------------------------------------------

                 Key: HADOOP-470
                 URL: http://issues.apache.org/jira/browse/HADOOP-470
             Project: Hadoop
          Issue Type: Improvement
          Components: dfs
            Reporter: Devaraj Das
            Priority: Minor


Some improvement requests from Yoram:

1. directory browsing: the size, replication and block size fields are unused, and indeed
the replication field contains random junk. It would be useful to use these fields to represent
the size of the folder (recursive, like du -s), and possibly the number of files in the folder.

2. since file sizes are typically very large, introducing a comma thousands separator will
make them more readable. 

3. For a particular file I have the list of blocks that make it up. It would be useful to
see the block placement information - which datanodes are holding that block. That's arguably
more relevant than the block contents when clicking on the block.

4. a nit - 2048 may be too small a chunk size by default. The overhead of getting the first
byte is so high (redirect, connect, handshake etc.) that you may as well get 10-20k as your
first shot.

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