How To Set Up SSH Keys on CentOS

We want to be able to ssh between all nodes in our cluster.  In order to do this, we need to generate public ssh keys on all nodes and...

How to Clone Google Cloud Virtual Machine

Clone VM from the first node and clear it down Apache Cassandra is a highly scalable, high-performance distributed database designed to handle large amounts of data across many commodity servers,...

Google Cloud for Cassandra Training [For Free]

One of the best ways to learn Cassandra is to use Google Cloud for Cassandra Training.  At the time of writing this post, when you set up a google...

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sstablelevelreset

sstablelevelreset [Addressing space issues]

The process below uses sstablelevelreset and is only relevant for Cassandra version 2.2 and below. For versions greater than 2.2 we have the ability to do...

Cassandra – Dealing with Corruption

Corruption occurs all the time, it happens. This could be for any number of reasons from faulty hardware to a network glitch. As someone...

Could Not Initialize Class com.sun.jna.Native

There is a lot of organisations out there that require the /tmp directory be mounted with the noexec flag.  It is mounted in this way to...