Here’are the uninstallation steps 1. Stop ALL services: a. service cloudera-scm-server stop b. service cloudera-scm-server-db stop c. service cloudera-scm-agent hard_stop 2. Uninstall the CDH and Cloudera Manager packages: [srinivas@dbversity.com ~]# hadoop version Hadoop 2.0.0-cdh4.5.0 Subversion file:///var/lib/jenkins/workspace/CDH4.5.0-Packaging-Hadoop/build/cdh4/hadoop/2.0.0-cdh4.5.0/source/hadoop-common-project/hadoop-common -r 30821ec616ee7a21ee8447949b7c6208a8f1e7d8 Compiled by…
Learning HBase – A nice book from my friend that I can refer to you. Shashwat Shriparv November 2014 Learn the fundamentals of HBase administration and development with the help of real-time scenarios About This Book Learn how HBase works…
Refer to http://dbversity.com/postgresql-installation/ for PostgreSQL Installation procedure on your both Master & Slave servers. Replication Now we are testing something that called hot standby replication. Configure the Master Server We will begin by configuring our master server. All of these…
The Code : // load the Couchbase driver and connect to the cluster var couchbase = require(‘couchbase’); var cluster = new couchbase.Cluster(‘localhost:8091’); //it is important to make this async call as otherwise you will try create the //view before the…
The first thing you got to do is download and install Couchbase for your OS. Navigate to http://www.couchbase.com/download and download Couchbase for Mac OSX. The install is very straight forward and easy to do and well documented. Next we need…
Failed to create a table in Hive backed by HBase. Will it fix the error to copy hbase-site.xml into /etc/hive/conf/ ? Often when you use Impala with Hbase and first you need create metastore from Hive. $ hive –auxpath /opt/cloudera/parcels/CDH-4.5.0-1.cdh4.5.0.p251.30/lib/hive/lib/zookeeper.jar,/opt/cloudera/parcels/CDH-4.5.0-1.cdh4.5.0.p251.30/lib/hive/lib/hbase.jar,/opt/cloudera/parcels/CDH-4.5.0-1.cdh4.5.0.p251.30/lib/hive/lib/hive-hbase-handler-0.10.0-cdh4.5.0.jar,/opt/cloudera/parcels/CDH-4.5.0-1.cdh4.5.0.p251.30/lib/hive/lib/guava-11.0.2.jar…
Most of us have these questions in mind when we go MongoDB on boarding – here you go. Max No. of Shards :- ————————— The MongoDB software imposes no limit here, so theoretically the number of shards can be infinite….
Real-time, SQL access to MongoDB from BI, Analytics and Reporting applications As part of our commitment to bringing SQL functionality to NoSQL databases, we are pleased to release a beta version of our MongoDB ODBC Driver. Our driver allows you…
Hadoop Streaming —————- Hadoop streaming is a utility that comes with the Hadoop distribution. The utility allows you to create and run Map/Reduce jobs with any executable or script as the mapper and/or the reducer. For example: $HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/hadoop-streaming.jar…
Overview ——– Hadoop archives are special format archives. A Hadoop archive maps to a file system directory. A Hadoop archive always has a *.har extension. A Hadoop archive directory contains metadata (in the form of _index and _masterindex) and data…