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[HDFS-255] Create a user-guide for describing HDFS symlinks - HDFS - [issue]
...HADOOP-4044 introduces symlinks in HDFS. We need a user-guide (aka man-page) that describes the semantics of this new construct.....
http://issues.apache.org/jira/browse/HDFS-255    Author: dhruba borthakur, 2014-07-22, 21:41
[HDFS-269] Implement seek for HftpFileSystem - HDFS - [issue]
...Support seek in the HftpFileSystem. This is useful for a host of applications that need to access data from a hadoop cluster running a different version of hadoop....
http://issues.apache.org/jira/browse/HDFS-269    Author: dhruba borthakur, 2014-07-22, 20:53
[HDFS-289] HDFS should blacklist datanodes that are not performing well - HDFS - [issue]
...On a large cluster, a few datanodes could be under-performing. There were cases when the network connectivity of a few of these bad datanodes were degraded, resulting in long long times (in ...
http://issues.apache.org/jira/browse/HDFS-289    Author: dhruba borthakur, 2014-07-19, 19:58
[HDFS-220] Transparent archival and restore of files from HDFS - HDFS - [issue]
...There should be a facility to migrate old files away from a production cluster. Access to those files from applications should continue to work transparently, without changing application co...
http://issues.apache.org/jira/browse/HDFS-220    Author: dhruba borthakur, 2014-07-18, 23:45
[HDFS-233] Support for snapshots - HDFS - [issue]
...Support HDFS snapshots. It should support creating snapshots without shutting down the file system. Snapshot creation should be lightweight and a typical system should be able to support a f...
http://issues.apache.org/jira/browse/HDFS-233    Author: dhruba borthakur, 2014-07-18, 18:22
[HDFS-134] premature end-of-decommission of datanodes - HDFS - [issue]
...Decommissioning requires that the nodes be listed in the dfs.hosts.excludes file. The administrator runs the "dfsadmin -refreshNodes" command. The decommissioning process starts off. Suppose...
http://issues.apache.org/jira/browse/HDFS-134    Author: dhruba borthakur, 2014-07-18, 06:19
[HDFS-24] FSDataOutputStream should flush last partial CRC chunk - HDFS - [issue]
...The FSDataOutputSteam.flush() api is supposed to flush all data to the underlying stream. However, for LocalFileSystem, the flush APi does not flush the last partial CRC chunk.One solution i...
http://issues.apache.org/jira/browse/HDFS-24    Author: dhruba borthakur, 2014-07-17, 22:17
[HDFS-295] Update the "how to configure HDFS" documentation to include new features - HDFS - [issue]
...There has been lots of cases where HDFS administrators have enquired about setup and configuration of HDFS. A recent question asked about configuring Datanodes to understand the rack that it...
http://issues.apache.org/jira/browse/HDFS-295    Author: dhruba borthakur, 2014-07-17, 18:57
[HDFS-1179] Implement a file change log - HDFS - [issue]
...The File Change Log (FCL) is a construct that records all metadata changes in a file system (http://en.wikipedia.org/wiki/File_change_log). This JIRA is to discuss various high-level approac...
http://issues.apache.org/jira/browse/HDFS-1179    Author: dhruba borthakur, 2014-07-08, 01:55
[HDFS-2006] ability to support storing extended attributes per file - HDFS - [issue]
...It would be nice if HDFS provides a feature to store extended attributes for files, similar to the one described here: http://en.wikipedia.org/wiki/Extended_file_attributes. The challenge is...
http://issues.apache.org/jira/browse/HDFS-2006    Author: dhruba borthakur, 2014-06-30, 02:48
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