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[HDFS-6247] Avoid timeouts for replaceBlock() call by sending intermediate responses to Balancer - HDFS - [issue]
...Currently there is no response sent from target Datanode to Balancer for the replaceBlock() calls.Since the Block movement for balancing is throttled, complete block movement will take time ...
http://issues.apache.org/jira/browse/HDFS-6247    Author: Vinayakumar B, 2014-07-28, 09:22
[HDFS-6761] supergroup permission - HDFS - [issue]
...<hdfs default directory information>Permission   Owner     Group           Size     Namedrwxr-wr-x      hdfs   &nb...
http://issues.apache.org/jira/browse/HDFS-6761    Author: whitejane, 2014-07-28, 09:00
[HDFS-6760] Deletion of directories with snapshots will not output reason for trash move failure - HDFS - [issue]
...When using trash-enabled FsShell to delete a directory that has snapshots, we se an error message saying "Failed to move to trash" but no  explanation.[hdfs@schu-enc2 ~]$ hdfs dfs -rm -...
http://issues.apache.org/jira/browse/HDFS-6760    Author: Stephen Chu, 2014-07-28, 06:52
[HDFS-6759] Namenode Web UI only display 1 datanode when multiple datanodes exist on same hostname under different ports - HDFS - [issue]
...NameNode Web UI only display 1 datanode when multiple datanodes exist on same hostname under different ports.This seems to affect only version 2.xVersion 1.x working as expected.This is a de...
http://issues.apache.org/jira/browse/HDFS-6759    Author: Konnjuta, 2014-07-28, 06:00
[HDFS-6709] Implement off-heap data structures for NameNode and other HDFS memory optimization - HDFS - [issue]
...We should investigate implementing off-heap data structures for NameNode and other HDFS memory optimization.  These data structures could reduce latency by avoiding the long GC times th...
http://issues.apache.org/jira/browse/HDFS-6709    Author: Colin Patrick McCabe, 2014-07-28, 05:49
[HDFS-6755] There is an unnecessary sleep in the code path where DFSOutputStream#close gives up its attempt to contact the namenode - HDFS - [issue]
...DFSOutputStream#close has a loop where it tries to contact the NameNode, to call complete on the file which is open-for-write.  This loop includes a sleep which increases exponentially ...
http://issues.apache.org/jira/browse/HDFS-6755    Author: Mit Desai, 2014-07-28, 05:25
[HDFS-6441] Add ability to exclude/include few datanodes while balancing - HDFS - [issue]
...In some use cases, it is desirable to ignore a few data nodes  while balancing. The administrator should be able to specify a list of data nodes in a file similar to the hosts file and ...
http://issues.apache.org/jira/browse/HDFS-6441    Author: Benoy Antony, 2014-07-28, 05:21
[HDFS-6364] Incorrect check for unknown datanode in Balancer - HDFS - [issue]
...The Balancer makes a check to see if a block's location is known datanode. But the variable it uses to check is wrong....
http://issues.apache.org/jira/browse/HDFS-6364    Author: Benoy Antony, 2014-07-28, 03:43
[HDFS-6509] create a /.reserved/raw filesystem namespace - HDFS - [issue]
...This is part of the work for making distcp work with Data at Rest Encryption. Per the attached document, create a /.reserved/raw HDFS filesystem namespace that allows access to the encrypted...
http://issues.apache.org/jira/browse/HDFS-6509    Author: Charles Lamb, 2014-07-28, 01:10
[HDFS-6742] Support sorting datanode list on the new NN webUI - HDFS - [issue]
...The legacy webUI allows sorting datanode list based on specific column such as hostname. It is handy for admins can find pattern more quickly, especially for big clusters....
http://issues.apache.org/jira/browse/HDFS-6742    Author: Ming Ma, 2014-07-27, 23:47
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