Colin Patrick McCabe
Tsz Wo Nicholas Sze
Aaron T. Myers
Brahma Reddy Battula
Uma Maheswara Rao G
Rushabh S Shah
Surendra Singh Lilhore
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[HDFS-4256] Backport concatenation of files into a single file to branch-1
...HDFS-222 added support concatenation of multiple files in a directory into a single file. This helps several use cases where writes can be parallelized and several folks have expressed in th...
, 2013-05-06, 05:00
[HDFS-4252] Improve confusing log message that prints exception when editlog read is completed
...Namenode prints a log with an exception to indicate successful completion of reading of logs. This causes misunderstanding where people have interpreted it as failure to load editlog. The lo...
, 2013-05-03, 04:10
[HDFS-4122] Cleanup HDFS logs and reduce the size of logged messages
...I have attached the patch that removes unnecessary information from the log such as "Namesystem." and prefixing file information with "file" and block information with "block" etc.On a branc...
, 2013-05-03, 04:10
[HDFS-4595] When short circuit read is fails, DFSClient does not fallback to regular reads
...In 1.0, when short circuit is disallowed for a user, the DFSClient disables short circuit and falls back to the regular socket based reads over DataTransferProtocol. In release 2.0, this fal...
, 2013-04-24, 23:39
[HDFS-4296] Add layout version for HDFS-4256 for release 1.2.0
...Backport of concat requires editlog change and incrementing layout version. See this comment.Version number -41 will be reserved for release 1.2.0....
, 2013-04-24, 19:29
[HDFS-4635] Move BlockManager#computeCapacity to LightWeightGSet
...The computeCapacity in BlockManager that calculates the LightWeightGSet capacity as the percentage of total JVM memory should be moved to LightWeightGSet. This helps in other maps that are b...
, 2013-04-17, 01:25
[HDFS-4703] Permission checker should not expose resolved paths
...Namenode currently prints inode information in AccessControlException. When path provided by user is different from the actual path is resolved to a different path in namenode (some examples...
, 2013-04-16, 22:01
[HDFS-4676] TestHDFSFileSystemContract should set MiniDFSCluster variable to null to free up memory
...TestHDFSFileSystemContract should reset the cluster member to null in order to make garbage collection quickly collect large chunk of memory associated with MiniDFSCluster. This avoids...
, 2013-04-10, 15:06
[HDFS-1971] HA: Send block report from datanode to both active and standby namenodes
...To enable hot standby namenode, the standby node must have current information for - namenode state (image + edits) and block location information. This jira addresses keeping the block loca...
, 2013-02-22, 11:09
[HDFS-4126] Add reading/writing snapshot information to FSImage
...After the changes proposed in HDFS-4125 is completed, reading and writing snapshot related information from FSImage can be implemented. This jira tracks changes required for: Loading snapsho...
, 2013-01-23, 13:15
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