Install Apache Cassandra on OS X

 # Requirement
Java 7 

# Download Apache Cassandra 2.0.10 from http://cassandra.apache.org/download/
wget http://www.apache.org/dyn/closer.cgi?path=/cassandra/2.0.10/apache-cassandra-2.0.10-bin.tar.gz

# Extract to e.g /usr/local; create symlink
cd /usr/local
tar -xzvf apache-cassandra-2.0.10-bin.tar.gz
ln -s apache-cassandra-2.0.10-bin.tar.gz cassandra

# Create Cassandra directories
sudo mkdir /var/lib/cassandra
sudo mkdir /var/lib/cassandra/data
sudo mkdir /var/lib/cassandra/commitlog
sudo mkdir /var/lib/cassandra/saved_caches
sudo mkdir /var/log/cassandra

# Run Cassandra
cd /usr/local/cassandra
sudo bin/cassandra -f

# Test connection; Open new terminal window
cd /usr/local/cassandra
bin/cqlsh

Sandbox HDP ERROR during Pig script tutorial - org.apache.pig.tools.grunt.Grunt – ERROR 1070: Could not resolve org.apache.hcatalog.pig.HCatLoader

Error:
ERROR org.apache.pig.tools.grunt.Grunt – ERROR 1070: Could not resolve org.apache.hcatalog.pig.HCatLoader using imports: [, org.apache.pig.builtin., org.apache.pig.impl.builtin.]

Resolution:
1. Login to sandbox as root.
2. vi /usr/bin/pig
3. Replace the last line with the following line:
exec /usr/lib/pig/bin/pig -useHCatalog “$@”

Install Multiple Node Apache Cassandra on Windows

# Download Installer from http://cassandra.apache.org/download/

# Java required

# Create folders
mkdir c:\apache-cassandra
mkdir c:\apache-cassandra\node1
mkdir c:\apache-cassandra\node2
mkdir c:\apache-cassandra\node3
mkdir c:\apache-cassandra\node4
mkdir c:\apache-cassandra\node5
mkdir c:\apache-cassandra\node6

# Create for each node
mkdir :c\apache-cassandra\node1\var
mkdir :c\apache-cassandra\node1\var\commitlog
mkdir :c\apache-cassandra\node1\var\data
mkdir :c\apache-cassandra\node1\var\log
mkdir :c\apache-cassandra\node1\var\saved_caches
#repeat for each node ....

# Extract Cassandra to each Node
cd \apache-cassandra\node1
tar -xzvf apache-cassandra-1.2.x-bin.tar.gz

cd \apache-cassandra\node6
tar -xzvf apache-cassandra-1.2.x.tar.gz

...

# Open hosts file
notepad c:\windows\system32\drivers\etc\hosts

# Add localhost IPs for each node in hosts file
127.0.0.1   127.0.0.1 #node1
127.0.0.1   127.0.0.2 #node2
127.0.0.1   127.0.0.3 #node3
127.0.0.1   127.0.0.4 #node4
127.0.0.1   127.0.0.5 #node5
127.0.0.1   127.0.0.6 #node6

# Open cassandra.yaml for each node
cd \apache-cassandra\node1\conf
notepad cassandra.yaml

# Edit each yaml, make node1 and 2 as seeders, edit correspondingly
cluster_name: 'SpikesCluster'
num_tokens: 256
rpc_address : 127.0.0.1     #assigned ip of node
listen_address : 127.0.0.1  #assgiend ip of node
seed_provider:
    - class_name: org.apache.cassandra.locator.SimpleSeedProvider
      parameters:
          - seeds: "127.0.0.1, 127.0.0.2" #ip of seeder nodes

saved_caches_directory: /apache-cassandra/node1/var/saved_caches
data_file_directories:
    - /apache-cassandra/node1/var/data
commitlog_directory: /apache-cassandra/node1/var/commitlog

#Open log4j-server.properties
notepad c:\apache-cassandra\node1\conf\log4j-server.properties

# edit config, repeat for each node
log4j.appender.R.File=/apache-cassandra/node1/var/log/system.log


# Open Cassandra.bat
notepad c:\apache-cassandra\node1\bin\cassandra.bat

# Edit Port and repeat for each node must not be the same since running on local
 -Dcom.sun.management.jmxremote.port=7199^

# Run each node
c:\apache-cassandra\node1\bin\catalina.bat

# Check Cassandra ring information
c:\apache-cassandra\node1\bin\nodetool -h 127.0.0.1 -p 7199 ring