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[HDFS-6962] ACLs inheritance conflict with umaskmode - HDFS - [issue]
...In hdfs-site.xml <property>    <name>dfs.umaskmode</name>    <value>027</value></property>1/ Create a directory as superuser...
http://issues.apache.org/jira/browse/HDFS-6962    Author: LINTE, 2014-09-02, 11:28
[HDFS-6980] TestWebHdfsFileSystemContract fails in trunk - HDFS - [issue]
...Many tests in TestWebHdfsFileSystemContract fail by "too many open files" error....
http://issues.apache.org/jira/browse/HDFS-6980    Author: Akira AJISAKA, 2014-09-02, 09:28
[HDFS-6886] Use single editlog record for creating file + overwrite. - HDFS - [issue]
...As discussed in HDFS-6871, as Jing Zhao and Colin Patrick McCabe's suggestion, we could do further improvement to use one editlog record for creating file + overwrite in this JIRA. We could ...
http://issues.apache.org/jira/browse/HDFS-6886    Author: Yi Liu, 2014-09-02, 08:52
[HDFS-6942] Fix typos in log messages - HDFS - [issue]
...There are a bunch of typos in log messages. HADOOP-10946 was initially created, but may have failed due to being in multiple components. Try fixing typos on a per-component basis....
http://issues.apache.org/jira/browse/HDFS-6942    Author: Ray Chiang, 2014-09-02, 07:09
[HDFS-6961] Archival Storage: BlockPlacementPolicy#chooseTarget should check each valid storage type in each choosing round - HDFS - [issue]
...Currently in each choosing round of BlockPlacementPolicy#chooseTarget (e.g., round 1 for choosing local storage, round 2 for remote rack, etc.), we only take into account the first storage t...
http://issues.apache.org/jira/browse/HDFS-6961    Author: Jing Zhao, 2014-09-02, 02:07
[HDFS-6969] Archival Storage: INode#getStoragePolicyID should always return the latest storage policy - HDFS - [issue]
...In general, every file should only provide exact one storage policy for the Mover, no matter its snapshot states. Suppose a file /foo/bar, and it is contained in snapshots s1 and s2 of the r...
http://issues.apache.org/jira/browse/HDFS-6969    Author: Jing Zhao, 2014-09-02, 01:56
[HDFS-6606] Optimize HDFS Encrypted Transport performance - HDFS - [issue]
...In HDFS-3637, Aaron T. Myers added support for encrypting the DataTransferProtocol, it was a great work.It utilizes SASL Digest-MD5 mechanism (use Qop: auth-conf),  it supports three se...
http://issues.apache.org/jira/browse/HDFS-6606    Author: Yi Liu, 2014-09-02, 01:55
[HDFS-6981] DN upgrade with layout version change should not use trash - HDFS - [issue]
...Post HDFS-6800, we can encounter the following scenario: We start with DN software version -55 and initiate a rolling upgrade to version -56 We delete some blocks, and they are moved to tras...
http://issues.apache.org/jira/browse/HDFS-6981    Author: James Thomas, 2014-09-02, 00:40
[HDFS-6800] Support Datanode layout changes with rolling upgrade - HDFS - [issue]
...We need to handle attempts to rolling-upgrade the DataNode to a new storage directory layout.One approach is to disallow such upgrades.  If we choose this approach, we should make sure ...
http://issues.apache.org/jira/browse/HDFS-6800    Author: Colin Patrick McCabe, 2014-09-01, 22:44
[HDFS-6482] Use block ID-based block layout on datanodes - HDFS - [issue]
...Right now blocks are placed into directories that are split into many subdirectories when capacity is reached. Instead we can use a block's ID to determine the path it should go in. This eli...
http://issues.apache.org/jira/browse/HDFS-6482    Author: James Thomas, 2014-09-01, 22:41
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