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[HDFS-5876] SecureDataNodeStarter does not pick up configuration in hdfs-site.xml - HDFS - [issue]
...The current implementation of SecureDataNodeStarter does not guarantee that configuration in hdfs-site.xml is picked up.The configuration in hdfs-site.xml will be only picked up when the JVM...
http://issues.apache.org/jira/browse/HDFS-5876    Author: Haohui Mai, 2014-02-06, 14:48
[HDFS-5872] Validate configuration of dfs.http.policy - HDFS - [issue]
...The current implementation does not complain on invalid values of dfs.http.policy. The implementation should bail out to alert the user that he / she has misconfigured the system....
http://issues.apache.org/jira/browse/HDFS-5872    Author: Haohui Mai, 2014-02-05, 00:11
[HDFS-5884] LoadDelegator should use IOUtils.readFully() to read the magic header - HDFS - [issue]
...Currently FSImageFormat.LoadDelegator reads the magic header using FileInputStream.read(). It does not guarantee that the magic header is fully read. It should use IOUtils.readFully() instea...
http://issues.apache.org/jira/browse/HDFS-5884    Author: Haohui Mai, 2014-02-04, 23:17
[HDFS-5871] Use PBHelper to serialize CacheDirectiveInfoExpirationProto - HDFS - [issue]
...The current implementation of CacheManager serializes the CacheDirectiveInfoExpirationProto in-house. It should call PBHelper.convert()    to avoid code duplication....
http://issues.apache.org/jira/browse/HDFS-5871    Author: Haohui Mai, 2014-02-04, 18:55
[HDFS-5797] Implement offline image viewer. - HDFS - [issue]
...The format of FSImage has changed dramatically therefore a new implementation of OfflineImageViewer is required....
http://issues.apache.org/jira/browse/HDFS-5797    Author: Haohui Mai, 2014-02-04, 02:39
[HDFS-5825] Use FileUtils.copyFile() to implement DFSTestUtils.copyFile() - HDFS - [issue]
...DFSTestUtils.copyFile() is implemented by copying data through FileInputStream / FileOutputStream. Apache Common IO provides FileUtils.copyFile(). It uses FileChannel which is more efficient...
http://issues.apache.org/jira/browse/HDFS-5825    Author: Haohui Mai, 2014-01-28, 13:40
[HDFS-5231] Fix broken links in the document of HDFS Federation - HDFS - [issue]
...The image links in the documents are broken.http://hadoop.apache.org/docs/r2.1.0-beta/hadoop-project-dist/hadoop-hdfs/Federation.htmlIt seems that these images are in YARN. These images need...
http://issues.apache.org/jira/browse/HDFS-5231    Author: Haohui Mai, 2014-01-28, 07:22
[HDFS-5826] Update the stored edit logs to be consistent with the changes in HDFS-5698 branch - HDFS - [issue]
...HDFS-5698 bumps the LayoutVersion to indicate whether the file is in new format. The stored edit logs have to be updated in order to pass testOfflineEditsViewer....
http://issues.apache.org/jira/browse/HDFS-5826    Author: Haohui Mai, 2014-01-27, 18:37
[HDFS-5771] Track progress when loading fsimage - HDFS - [issue]
...The old code that loads the fsimage tracks the progress during loading. This jira proposes to implement the same functionality in the new code which serializes the fsimage using protobuf.....
http://issues.apache.org/jira/browse/HDFS-5771    Author: Haohui Mai, 2014-01-24, 18:40
[HDFS-5808] Implement cancellation when saving FSImage - HDFS - [issue]
...The code should be able to cancel the progress of saving fsimage / checkpointing. When fail over happens, the code needs to timely cancel the checkpoint operations so that the fail over sequ...
http://issues.apache.org/jira/browse/HDFS-5808    Author: Haohui Mai, 2014-01-23, 20:30
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