Wiki The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.Cassandra's support for…
Troubleshooting MySQL on Ubuntu
Environment Operating System : Ubuntu Server 16.10 Yakkety Yak 64-bit Server Edition MySQL Server Version : Ver 14.14 Distrib 5.7.16, for Linux (x86_64) Slove MySQL Server Keeps Stopping Unexpectedly Today I upgrade my server to Ubuntu 16.10, but MySQL server…
Add Swap on Ubuntu
Introduction One of the easiest way of increasing the responsiveness of your server and guarding against out of memory errors in your applications is to add some swap space. Swap is an area on a hard drive that has been…
Continuous Integration with Jenkins Cluster
Introduction Jenkins is an open source continuous integration tool written in Java. The project was forked from Hudson after a dispute with Oracle. Jenkins provides continuous integration services for software development. It is a server-based system running in a servlet…