@Eric Periard We don't need to restart any service, you can use below command to force failover. hdfs haadmin -failover http://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/HDFSCommands.html#haadmin ... View more

@sankar rao Generally to install R dependent packages we use below command on R shell. install.packages(c("rJava", "Rcpp", "RJSONIO", "bitops", "digest","functional", "stringr", "plyr", "reshape2", "dplyr","R.methodsS3", "caTools", "Hmisc")) For R hdfs packages you need to download the package and installed it like below. Download packages rhdfs , rhbase , rmr2 and plyrmr from https://github.com/RevolutionAnalytics/RHadoop/wiki and install them install.packages("<path>/rhdfs_<version>.tar.gz", repos=NULL, type="source") install.packages("<path>/rmr2<version>.tar.gz", repos=NULL, type="source") install.packages("<path>plyrmr_<version>.tar.gz", repos=NULL, type="source") install.packages("<path>/rhbase_<version>.tar.gz", repos=NULL, type="source") Here is good doc link for R on hadoop. http://www.rdatamining.com/big-data/r-hadoop-setup-guide ... View more

@Washington Nascimento Try with below two commands. export HADOOP_OPTS=" -Djavax.net.ssl.trustStore=/home/user/truststore-xxxxx.jks" OR sqoop import -Dmapred.child.java.opts=" -Djavax.net.ssl.trustStore=/home/user/truststore-xxxxx.jks" ... View more

@Kaliyug Antagonist If prod doesn't have internet access then I would recommend to setup local repo for it and it is easier to setup. please follow below docs. Download .tar file for HDP and UTIL repro. https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.1.0/bk_Installing_HDP_AMB/content/_hdp_24_repositories.html For creating local repro. https://docs.hortonworks.com/HDPDocuments/Ambari-2.2.1.0/bk_Installing_HDP_AMB/content/_getting_started_setting_up_a_local_repository.html ... View more

@David Tam Can you try adding native dir in AMBARI_JVM_ARGS variable and see if that resolve this. File: /var/lib/ambari-server/ambari-env.sh -Djava.library.path=/usr/hdp/<version>/hadoop/lib/native ... View more