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[HDFS-6964] NN fails to fix under replication leading to data loss - HDFS - [issue]
...We've encountered lost blocks due to node failure even when there is ample time to fix the under-replication.2 nodes were lost.  The 3rd node with the last remaining replicas averaged 1...
http://issues.apache.org/jira/browse/HDFS-6964    Author: Daryn Sharp, 2014-10-21, 17:54
[HDFS-6948] DN rejects blocks if it has older UC block - HDFS - [issue]
...DNs appear to always reject blocks, even with newer genstamps, if it already has a UC copy in its tmp dir.ReplicaAlreadyExistsException: BlockXXX alreadyexists in state TEMPORARY and thus ca...
http://issues.apache.org/jira/browse/HDFS-6948    Author: Daryn Sharp, 2014-09-06, 01:32
[HDFS-7005] DFS input streams do not timeout - HDFS - [issue]
...Input streams lost their timeout.  The problem appears to be DFSClient#newConnectedPeer does not set the read timeout.  During a temporary network interruption the server will clos...
http://issues.apache.org/jira/browse/HDFS-7005    Author: Daryn Sharp, 2014-09-05, 21:18
[HDFS-6967] DNs may OOM under high webhdfs load - HDFS - [issue]
...Webhdfs uses jetty.  The size of the request thread pool is limited, but jetty will accept and queue infinite connections.  Every queued connection is "heavy" with buffers, etc. &n...
http://issues.apache.org/jira/browse/HDFS-6967    Author: Daryn Sharp, 2014-09-05, 18:11
[HADOOP-10944] AbstractFileSystem may not return correct home directory - Hadoop - [issue]
...AbstractFileSystem#getHomeDirectory uses the property "user.name" instead of the current UGI user.  This is erroneous for proxy users, users with a TGT principal not matching the local ...
http://issues.apache.org/jira/browse/HADOOP-10944    Author: Daryn Sharp, 2014-09-04, 03:41
[HADOOP-10301] AuthenticationFilter should return Forbidden for failed authentication - Hadoop - [issue]
...The hadoop-auth AuthenticationFilter returns a 401 Unauthorized without a WWW-Authenticate headers.  The is illegal per the HTTP RPC and causes a NPE in the HttpUrlConnection.This is ha...
http://issues.apache.org/jira/browse/HADOOP-10301    Author: Daryn Sharp, 2014-09-04, 02:16
[MAPREDUCE-4202] TestYarnClientProtocolProvider is broken - MapReduce - [issue]
...The test fails because a cluster is unexpectedly created with an empty conf....
http://issues.apache.org/jira/browse/MAPREDUCE-4202    Author: Daryn Sharp, 2014-09-04, 02:05
[HADOOP-9374] Add tokens from -tokenCacheFile into UGI - Hadoop - [issue]
...GenericOptionsParser accepts a -tokenCacheFile option.  However, it only sets the mapreduce.job.credentials.json conf value instead of also adding the tokens to the UGI so they are usab...
http://issues.apache.org/jira/browse/HADOOP-9374    Author: Daryn Sharp, 2014-09-04, 01:53
[HADOOP-9789] Support server advertised kerberos principals - Hadoop - [issue]
...The RPC client currently constructs the kerberos principal based on the a config value, usually with an _HOST substitution.  This means the service principal must match the hostname the...
http://issues.apache.org/jira/browse/HADOOP-9789    Author: Daryn Sharp, 2014-09-04, 00:49
[HADOOP-9868] Server must not advertise kerberos realm - Hadoop - [issue]
...HADOOP-9789 broke kerberos authentication by making the RPC server advertise the kerberos service principal realm.  SASL clients and servers do not support specifying a realm, so it mus...
http://issues.apache.org/jira/browse/HADOOP-9868    Author: Daryn Sharp, 2014-09-04, 00:49
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