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[HDFS-6897] If DatanodeThreshold is not set up, do not show information regarding DatanodeThreshold during NN startup - HDFS - [issue]
...During Namenode startup, we see the following message:The number of live datanodes XXX has reached the minimum number 0. Safe mode will be turned off automatically once the thresholds have b...
http://issues.apache.org/jira/browse/HDFS-6897    Author: Benoy Antony, 2014-08-30, 09:42
[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, 2014-08-30, 07:39
[HDFS-6776] distcp from insecure cluster (source) to secure cluster (destination) doesn't work via webhdfs - HDFS - [issue]
...Issuing distcp command at the secure cluster side, trying to copy stuff from insecure cluster to secure cluster, and see the following problem:hadoopuser@yjc5u-1 ~]$ hadoop distcp webhdfs://...
http://issues.apache.org/jira/browse/HDFS-6776    Author: Yongjun Zhang, 2014-08-30, 06:22
[HDFS-6634] inotify in HDFS - HDFS - [issue]
...Design a mechanism for applications like search engines to access the HDFS edit stream....
http://issues.apache.org/jira/browse/HDFS-6634    Author: James Thomas, 2014-08-30, 01:55
[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, 2014-08-30, 00:53
[HDFS-6727] Refresh data volumes on DataNode based on configuration changes - HDFS - [issue]
...HDFS-1362 requires DataNode to reload configuration file during the runtime, so that DN can change the data volumes dynamically. This JIRA reuses the reconfiguration framework introduced by ...
http://issues.apache.org/jira/browse/HDFS-6727    Author: Lei, 2014-08-30, 00:42
[HDFS-6977] Delete all copies when a block is deleted from the block space - HDFS - [issue]
...When a block is deleted from RAM disk we should also delete the copies written to lazyPersist/.Reported by Xiaoyu Yao...
http://issues.apache.org/jira/browse/HDFS-6977    Author: Xiaoyu Yao, 2014-08-30, 00:03
[HDFS-6930] Improve replica eviction from RAM disk - HDFS - [issue]
...The current replica eviction scheme is inefficient since it performs multiple file operations in the context of block allocation.A better implementation would be asynchronous eviction when f...
http://issues.apache.org/jira/browse/HDFS-6930    Author: Arpit Agarwal, 2014-08-30, 00:01
[HDFS-6972] TestRefreshUserMappings.testRefreshSuperUserGroupsConfiguration doesn't decode url correctly - HDFS - [issue]
...https://builds.apache.org/job/PreCommit-HDFS-Build/7846/consoleFull[INFO] Surefire report directory: /home/jenkins/jenkins-slave/workspace/PreCommit-HDFS-Build@2/hadoop-hdfs-project/hadoop-h...
http://issues.apache.org/jira/browse/HDFS-6972    Author: Yongjun Zhang, 2014-08-29, 23:58
[HDFS-6843] Create FSDataInputStream & FSDataOutputStream isEncrypted() method - HDFS - [issue]
...FileStatus should have a 'boolean isEncrypted()' method. (it was in the context of discussing with AndreW about FileStatus being a Writable).Having this method would allow MR JobSubmitter do...
http://issues.apache.org/jira/browse/HDFS-6843    Author: Charles Lamb, 2014-08-29, 23:52
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