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Re: Wordcount file cannot be located - Hadoop - [mail # user]
...Try this along with your MapReduce source codeConfiguration config = new Configuration();config.set("fs.defaultFS", "hdfs://IP:port/");FileSystem dfs = FileSystem.get(config);Path path = new...
   Author: unmesha sreeveni, 2014-05-02, 03:14
[expand - 1 more] - Re: hadoop.tmp.dir directory size - Hadoop - [mail # user]
...Can You just try and see this.Configuration conf = new Configuration();FileSystem fs = FileSystem.get(conf);fs.deleteOnExit("path/to/tmp");On Thu, May 1, 2014 at 12:10 AM, S.L  wrote:*T...
   Author: unmesha sreeveni, 2014-05-01, 04:16
Re: Using Eclipse for Hadoop code - Hadoop - [mail # user]
...Are you asking about standalone mode where we run hadoop using local fs?​​*Thanks & Regards **Unmesha Sreeveni U.B**Hadoop, Bigdata Developer**Center for Cyber Security | Amrita Vishwa Vidya...
   Author: unmesha sreeveni, 2014-04-30, 10:54
[expand - 1 more] - Re: How do I get started with hadoop on windows system - Hadoop - [mail # user]
...In order to get started with hadoop you need to install cgywin (Provides anexact look and feel as linux)Or else u can run ubundu in a vmPlayerOnce you done thisYou can download hadoop direct...
   Author: unmesha sreeveni, 2014-04-30, 10:52
Re: What configuration parameters cause a Hadoop 2.x job to run on the cluster - Hadoop - [mail # user]
...  config.set("fs.defaultFS", "hdfs://port/");  config.set("hadoop.job.ugi", "hdfs");On Fri, Apr 25, 2014 at 10:46 PM, Oleg Zhurakousky <[EMAIL PROTECTED]> wrote:*Thanks ...
   Author: unmesha sreeveni, 2014-04-30, 10:46
Re: Job stuck at reduce with lease exception on hadoop 2.3.0 - Hadoop - [mail # user]
...​LeaseExpiredException occurs if we are trying to write or access a deletedfile or non existing file.Can you check if something is happening in your code block.​*Thanks & Regards **Unmesha S...
   Author: unmesha sreeveni, 2014-04-30, 10:25
Re: how to customize hadoop configuration for a job? - Hadoop - [mail # user]
...Hi Libo, You can implement your driver code using ToolRunner.So that you can passyour extra configuration through command line instead of editing your codeall the time.Driver codepublic...
   Author: unmesha sreeveni, 2014-04-02, 03:21
Re: error in hadoop hdfs while building the code. - Hadoop - [mail # user]
...I think it is Hadoop problem not javahttps://issues.apache.org/jira/browse/HADOOP-5396On Wed, Mar 12, 2014 at 11:37 AM, Avinash Kujur  wrote:*Thanks & Regards*Unmesha Sreeveni U.BJunior...
   Author: unmesha sreeveni, 2014-03-12, 06:11
Re: GC overhead limit exceeded - Hadoop - [mail # user]
...Try to increase the memory for datanode and see.This need to restart hadoopexport HADOOP_DATANODE_OPTS="-Xmx10g"This will set the heap to 10gbYou can also add this in start of hadoop-env.sh ...
   Author: unmesha sreeveni, 2014-03-11, 04:12
Grouping data in Reducer - Hadoop - [mail # user]
...I am doing a chaning job. And want to get the previous output values in ahashmap.My output of previous job is1 0 4.3 - 5.021 1 5.02 - 5.7399999999999991 2 5.739999999999999 - 6.4599999999999...
   Author: unmesha sreeveni, 2014-02-14, 04:49
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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