Some improvements in the DFS content browsing UI
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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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