Tags » Nosql

S3QL - a full featured file system for online data storage

“S3QL is a file system that stores all its data online using storage services like Google Storage,Amazon S3, or OpenStack. S3QL effectively provides a hard disk of dynamic, infinite capacity that can be accessed from any computer with internet access running Linux, FreeBSD or OS-X. 106 more words

Programming

A blazing fast geo database with LevelDB, Go and Geohashes

“You probably have heard of LevelDB it’s a blazing fast key value store (as a library not a daemon), that uses Snappy compression.
There is plenty of usages for it, the API is very simple at least in Go (I will be using… 234 more words

Programming

Set up Cassandra java driver in AWS EC2 instance USING Maven

Maven installation
1. Download maven
wget http://mirror.olnevhost.net/pub/apache/maven/maven-3/3.3.3/binaries/apache-maven-3.3.3-bin.tar.gz

2. Extract the tar and move it to /usr/local
tar xvf apache-maven-3.3.3-bin.tar.gz

sudo mv apache-maven-3.3.3 /usr/local

3. Add env var to ~/.bashrc file… 298 more words

Apache Cassandra

Deploy Cassandra cluster in AWS EC2 instance

Mainly need to change the cassandra.yaml file

  1. Set all Cluster name to be the same, here we use Test_cluster
  2. Get all the ip add, use hostname -I (not the public ip add of the instance)
  3. 37 more words
Apache Cassandra