akashgoswami

Redis Cluster Setup with Docker Swarm

Setup

./redis.sh

Test

test the redis cluster

akashgoswami

# Installing ScyllaDB in AWS with DPDK enabled
# Prerequisites:
#   - Red Hat Enterprise Linux 7.2 (HVM)
#   - Instance type that supports enhanced networking (see http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/enhanced-networking.html#enhanced_networking_instance_types)
#   - Secondary NIC installed via Network Interfaces in AWS
#   - Instance type with 2 hard drives for RAID0 array

########## DO THIS FIRST ################
# Fetch the latest linux kernel
yum update -y

akashgoswami

---- install Oracle JDK 1.8
$ wget --no-check-certificate --no-cookies --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u141-b15/336fa29ff2bb4ef291e347e091f7f4a7/jdk-8u141-linux-x64.rpm
$sudo yum install -y jdk-8u141-linux-x64.rpm

---- install OpenJDK
$ vi install.sh
yum install -y java-1.8.0-openjdk-devel
yum remove java-1.7.0-openjdk
wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo

akashgoswami

These commands are based on a askubuntu answer http://askubuntu.com/a/581497
To install gcc-6 (gcc-6.1.1), I had to do more stuff as shown below.
USE THOSE COMMANDS AT YOUR OWN RISK. I SHALL NOT BE RESPONSIBLE FOR ANYTHING.
ABSOLUTELY NO WARRANTY.

If you are still reading let's carry on with the code.

sudo apt-get update && \
sudo apt-get install build-essential software-properties-common -y && \
sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y && \

akashgoswami

import java.io.*;
import java.nio.*;
import java.nio.channels.*;
import java.net.*;
import java.util.*;
import java.nio.charset.*;

public class Server {

    public Selector sel = null;