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[HDFS-6796] Improving the argument check during balancer command line parsing - HDFS - [issue]
...Currently balancer CLI parser simply checks if the total number of arguments is greater than 2 inside the loop. Since the check does not include any loop variables, it is not a proper check ...
http://issues.apache.org/jira/browse/HDFS-6796    Author: Benoy Antony, 2014-08-02, 15:04
[HDFS-6798] Add test case for incorrect data node condition during balancing - HDFS - [issue]
...The Balancer makes a check to see if a block's location is a known data node. But the variable it uses to check is wrong. This issue was fixed in HDFS-6364.There was no way to easily unit te...
http://issues.apache.org/jira/browse/HDFS-6798    Author: Benoy Antony, 2014-08-01, 17:28
[HDFS-6364] Incorrect check for unknown datanode in Balancer - HDFS - [issue]
...The Balancer makes a check to see if a block's location is known datanode. But the variable it uses to check is wrong....
http://issues.apache.org/jira/browse/HDFS-6364    Author: Benoy Antony, 2014-07-31, 22:45
[HDFS-4634] Make HDFS home directory configurable per user - HDFS - [issue]
...Currently the HDFS home directory is hardcoded to the /user/<user-name> . For some use cases, it is required to make it configurable per user.I'll submit a patch for this shortly....
http://issues.apache.org/jira/browse/HDFS-4634    Author: Benoy Antony, 2014-07-23, 23:52
[HDFS-6595] Configure the maximum threads allowed for balancing on datanodes - HDFS - [issue]
...Currently datanode allows a max of 5 threads to be used for balancing.In some cases, , it may make sense to use a different number of threads to the purpose of moving....
http://issues.apache.org/jira/browse/HDFS-6595    Author: Benoy Antony, 2014-06-26, 16:17
[HDFS-6433] Replace BytesMoved class with AtomicLong - HDFS - [issue]
...The Balancer internally uses a class BytesMoved to keep track of the bytes moved. It has the same requirements and semantics of AtomicLong. But BytesMoved  uses monitors. It will be an ...
http://issues.apache.org/jira/browse/HDFS-6433    Author: Benoy Antony, 2014-05-23, 20:53
[HDFS-6363] Improve concurrency while checking inclusion and exclusion of datanodes - HDFS - [issue]
...HostFileManager holds two effectively immutable objects - includes and excludes. These two objects can be safely published together using a volatile container instead of synchronizing for al...
http://issues.apache.org/jira/browse/HDFS-6363    Author: Benoy Antony, 2014-05-09, 22:52
[HDFS-6202] Replace direct usage of ProxyUser Constants with function - HDFS - [issue]
...This is a pre-requisite for HADOOP-10471  to reduce the visibility of constants of ProxyUsers.The TestJspHelper directly uses the constants in ProxyUsers. This can be replaced with the ...
http://issues.apache.org/jira/browse/HDFS-6202    Author: Benoy Antony, 2014-05-07, 03:39
[HDFS-6270] Secondary namenode status page shows transaction count in bytes - HDFS - [issue]
...Though checkpoint trigger is changed from edit log size to transaction count , the SN UI still shows the limit in terms of bytesIt appears as :Checkpoint Period    : 3600 secondsCh...
http://issues.apache.org/jira/browse/HDFS-6270    Author: Benoy Antony, 2014-04-26, 16:13
[HDFS-5910] Enhance DataTransferProtocol to allow per-connection choice of encryption/plain-text - HDFS - [issue]
...It is possible to enable encryption of DataTransferProtocol. In some use cases, it is required to encrypt data transfer with some clients , but communicate in plain text with some other clie...
http://issues.apache.org/jira/browse/HDFS-5910    Author: Benoy Antony, 2014-04-08, 17:05
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NEW: Monitor These Apps!
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