WordCount demo does not work with Yarn: NodeManager: RECEIVED SIGNAL 15: SIGTERM and exit code from container xy is : 143 [hadoop 2.6.4, hadoop 2.7.2, hadoop 2.7.3]

Hi everybody I'm trying to run the wordcount example with a 1000 copies of a gutenberg file downloaded and extracted from: http://www.gutenberg.lib.md.us/1/0/0/0/10001/10001.zip, e.g. like: $ cd /home/input $ for i in `seq 1 999`; do cp 0.txt $i.txt; done $ start-dfs.sh $ hdfs namenode -forma

Re: Hadoop Certification

Honestly, this is going to depend on the jobs you are targeting and the local market. For example, in the New York market I'm not aware of any job listings that mention certification as even a nice to have. For someone who wants to become a Hadoop admin it might be at least mildly valuable. I thi

Hadoop Certification

Hi, I m newbie on Hadoop and I want to prepare for a certification. What is the best one Hortonworks or Cloudera Certification ? Thank you in advance