Ad-hoc Learning

Browse our catalog of units to discover the topics you want to learn about. Use the search, tags and filters to find what you need.

DSE Version: 6.0
April 12, 2018

In this unit, we discuss repair in a running Apache Cassandra cluster. While it sounds tedious, it is just something which we have to understand. With DataStax Enterprise 6, repair is even less of a problem for the user.

DSE Version: 6.0
April 12, 2018

Time window compaction is purpose built for one kind of data model: time series. In this unit, you will learn how time window compaction works.

DSE Version: 6.0
April 12, 2018

Size tiered compaction is a pretty simple process, SSTables of approximately the same size are merged. In this unit, you will learn how size tiered compaction works.

DSE Version: 6.0
April 12, 2018

Leveled compaction is the most complex form of compaction. Having your compaction tailored to your specific type of workload is important, hence it is good to learn how various compaction types work.

DSE Version: 6.0
April 12, 2018

Replacing a down node is a pretty common operation, especially in a larger Apache Cassandra or DataStax Enterprise cluster. In this unit, you will learn how you go about it.

DSE Version: 6.0
April 12, 2018

When would you ever need to remove a node from a running Apache Cassandra cluster? In this unit, we dicuss why and how you would go about it.

DSE Version: 6.0
April 12, 2018

In this unit, you will learn about bootstrapping. Bootstrapping is an operation that is really critical to understand if you are going to be adding another node to your Apache Cassandra cluster.

DSE Version: 6.0
April 12, 2018

In this unit, you will learn about adding and removing nodes to a running Apache Cassandra cluster.

DSE Version: 6.0
April 12, 2018

When you're having problems with JVM, you need to figure out what's going on with the state of the JVM. That's where JVM garbage collection logging comes in. Learn more about that in this unit.

DSE Version: 6.0
April 12, 2018

System and output logs provide a record we can refer to when bad things happen. This unit will help understand you understand and make use of the information contained in these logs.