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RE: Hadoop 2.6.0: "FileSystem file:/// is not a distributed file system" - Hadoop - [mail # user]
...Hi Dong,HADOOP_CONF_DIR might be referring to default..you can export HADOOP_CONF_DIR where following configuration files are present..Thanks & RegardsBrahma Reddy Battula___________________...
   Author: Brahma Reddy Battula, 2014-12-13, 05:51
[HADOOP-11392] FileUtil.java leaks file descriptor when copybytes success. - Hadoop - [issue]
...Please check following code for same..try {        in = srcFS.open(src);        out = dstFS.create(dst, overwrite);      ...
http://issues.apache.org/jira/browse/HADOOP-11392    Author: Brahma Reddy Battula, 2014-12-13, 02:16
[HADOOP-11361] NPE in MetricsSourceAdapter - Hadoop - [issue]
...Caused by: java.lang.NullPointerException at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.updateAttrCache(MetricsSourceAdapter.java:247) at org.apache.hadoop.metrics2.impl.MetricsSou...
http://issues.apache.org/jira/browse/HADOOP-11361    Author: Brahma Reddy Battula, 2014-12-08, 17:01
[HADOOP-8437] getLocalPathForWrite is not throwing any expection for invalid paths - Hadoop - [issue]
...call dirAllocator.getLocalPathForWrite ( "/InvalidPath", conf );Here it will not thrown any exception but earlier version it used throw....
http://issues.apache.org/jira/browse/HADOOP-8437    Author: Brahma Reddy Battula, 2013-10-29, 05:27
RE: how to use ContentSumary - Hadoop - [mail # user]
...Please check the following for same....    DistributedFileSystem dfs=new DistributedFileSystem ();  dfs.initialize(URI.create("hdfs://hacluster"), conf);  DistributedFile...
   Author: Brahma Reddy Battula, 2013-10-09, 05:28
RE: ArrayIndexOutOfBoundsException occurs from MapTask - Hadoop - [mail # user]
...I had also faced same issue, after chnaging "mapreduce.task.io.sort.mb" from 2047 to 512, then jobs are executed success    It might help in your case also..    _________...
   Author: Brahma Reddy Battula, 2013-09-12, 01:59
RE: region server can not start(Might be configration problem) - Hadoop - [mail # user]
...RS is trying to connect to the Zookeepr with 2181,But ZK is running with 2281 port..Hence it's not able to connect.So you need to change port in configuration..    Please check con...
   Author: Brahma Reddy Battula, 2013-06-27, 02:02
RE: Namenode memory usage - Hadoop - [mail # user]
...Can you take heapdump and check ..? Here you can check which objects are using how much..    Command : jmap -histo:live namenodepid  ________________________________ From: Per...
   Author: Brahma Reddy Battula, 2013-06-18, 01:45
RE: [ANNOUNCE] New Hadoop PMC members - Hadoop - [mail # dev]
...Congratulations guys...  ________________________________________ From: Jun Ping Du [[EMAIL PROTECTED]] Sent: Wednesday, June 12, 2013 8:00 AM To: [EMAIL PROTECTED] Subject: Re: [ANNOUN...
   Author: Brahma Reddy Battula, 2013-06-12, 11:15
[expand - 1 more] - RE: Kerboes--Checksum failed----HDFS IN HA mode - Hadoop - [mail # user]
...HI All,    After some round of testing came to know following thing.    We created the single principle for both the nodes, then restarted the cluster then we did not see...
   Author: Brahma Reddy Battula, 2013-05-10, 03:01
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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