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[HDFS-6666] Abort NameNode and DataNode startup if security is enabled but block access token is not enabled. - HDFS - [issue]
...Currently, if security is enabled by setting hadoop.security.authentication to kerberos, but HDFS block access tokens are disabled by setting dfs.block.access.token.enable to false (which is...
http://issues.apache.org/jira/browse/HDFS-6666    Author: Chris Nauroth, 2015-04-16, 07:53
Re: [VOTE] Release Apache Hadoop 2.7.0 RC0 - HDFS - [mail # dev]
...+1 (binding)- Downloaded source tarball and verified signature and checksum.- Built from source, including native code on Linux and Windows.- Ran a 3-node unsecured cluster.- Tested various ...
   Author: Chris Nauroth, 2015-04-15, 16:07
Re: map() function call related - HDFS - [mail # dev]
...Hello Shahil,In the current trunk codebase, the relevant files arehadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/MapTask...
   Author: Chris Nauroth, 2015-04-07, 17:15
Re: upstream jenkins build broken? - HDFS - [mail # dev]
...+1 for the git clean command.HDFS-7917 still might be valuable for enabling us to run a few unit testson Windows that are currently skipped.  Let's please keep it open, butit's less urg...
   Author: Chris Nauroth, 2015-03-16, 19:19
Re: How to build and run my own test code of HDFS - HDFS - [mail # dev]
...Hadoop requires that the test class name start with "Test".  Inhadoop-project/pom.xml, we override the default Surefire include pattern:  **/Test*.javaChris NaurothHortonworkshttp:...
   Author: Chris Nauroth, 2015-02-26, 00:45
Re: Code example of Simple Authenication using Hadoop - HDFS - [mail # dev]
...Hello Rahul,Hadoop processes, including the map and reduce tasks of a MapReduce job,handle Kerberos authentication transparently after the user submitting thejob runs kinit to obtain a ticke...
   Author: Chris Nauroth, 2015-02-23, 18:55
[HDFS-4919] Improve documentation of dfs.permissions.enabled flag. - HDFS - [issue]
...The description of dfs.permissions.enabled in hdfs-default.xml does not state that permissions are always checked on certain calls regardless of this configuration.  The HDFS permission...
http://issues.apache.org/jira/browse/HDFS-4919    Author: Chris Nauroth, 2015-02-05, 01:44
[HDFS-7632] MiniDFSCluster configures DataNode data directories incorrectly if using more than 1 DataNode and more than 2 storage locations per DataNode. - HDFS - [issue]
...MiniDFSCluster allows the caller to set the number of storage locations per DataNode.  If this number is set higher than 2, and if the cluster is configured with more than 1 DataNode, t...
http://issues.apache.org/jira/browse/HDFS-7632    Author: Chris Nauroth, 2015-01-17, 15:41
[HDFS-7635] Remove TestCorruptFilesJsp from branch-2. - HDFS - [issue]
...HDFS-6252 removed corrupt_files.jsp, but there is still a test suite named TestCorruptFilesJsp in branch-2.  The tests attempt to call corrupt_files.jsp and fail on an HTTP 404 error re...
http://issues.apache.org/jira/browse/HDFS-7635    Author: Chris Nauroth, 2015-01-17, 15:41
[HDFS-7636] Support sorting by columns in the Datanode Information tables of the NameNode web UI. - HDFS - [issue]
...During discussion of HDFS-7604, we mentioned that it would be nice to be able to sort the Datanode Information tables by count of Failed Volumes.  This issue proposes to implement sorti...
http://issues.apache.org/jira/browse/HDFS-7636    Author: Chris Nauroth, 2015-01-16, 19:17
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elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB