Top "Mapreduce" questions

Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses-submiting job2remoteClustr

I recently upgraded my cluster from Apache Hadoop1.0 to CDH4.4.0. I have a weblogic server in another machine from where …

hadoop mapreduce cloudera

How to define avro schema for complex json document?

I have a JSON document that I would like to convert to Avro and need a schema to be specified …

json serialization mapreduce avro

Where are the hadoop-examples* and hadoop-test* jars in Cloudera CDH?

I am looking for the jar files to be able to run the hadoop jobs associated with the examples and …

hadoop mapreduce cloudera

Could not find or load main class com.sun.tools.javac.Main hadoop mapreduce

I am trying to learn MapReduce but I am a little lost right now. http://hadoop.apache.org/docs/r2.6.0/…

java hadoop mapreduce hadoop2

Container killed by the ApplicationMaster Exit code is 143

I've been getting the following error in several cases: 2017-03-23 11:55:10,794 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.…

hadoop hive mapreduce hadoop2

How to set the VCORES in hadoop mapreduce/yarn?

The following are my configuration : **mapred-site.xml** map-mb : 4096 opts:-Xmx3072m reduce-mb : 8192 opts:-Xmx6144m **yarn-site.xml** resource memory-mb : 40GB …

hadoop mapreduce yarn hcatalog

IllegalAccessError to guava's StopWatch from org.apache.hadoop.mapreduce.lib.input.FileInputFormat.listStatus

I'm trying to run small spark application and am getting the following exception: Exception in thread "main" java.lang.IllegalAccessError: …

hadoop apache-spark mapreduce guava

MapReduce or Spark?

I have tested hadoop and mapreduce with cloudera and I found it pretty cool, I thought I was the most …

apache-spark hadoop mapreduce

What is the maximum container(s) in a single-node cluster (hadoop)?

I am new in hadoop and i am not yet familiar to its configuration. I just want to ask the …

apache hadoop mapreduce yarn hadoop2

HDFS error put: `input': No such file or directory

I have installed hadoop 2.6.0 and I'm playing around with it. I'm trying the Pseudo-distributed setup and I'm following the instructions …

hadoop mapreduce hdfs hadoop2