In our last two blogs, we talked about the HDFS Cluster & Zookeeper Cluster. Which is needed for deploying OpenTSDB in clustered mode. Continuing to the series, In this blog, we are going to talk about HBase which will be used by OpenTSDB in the cluster to store data.
HBase is a column-oriented NoSQL database management system that runs on top of Hadoop Distributed File System (HDFS).
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We are going to start a series of blog on HDFS, Zookeeper, HBase & OpenTSDB and will see How to setup an OpenTSDB cluster using these services. In this blog, we will study about HDFS.
The Hadoop Distributed File System (HDFS) is a Java-based distributed file system that is fault-tolerant, scalable and extremely easy to expand. It is designed to run on commodity hardware and can be deployed on low-cost hardware. HDFS is the primary distributed storage for Hadoop applications. It provides interfaces for applications to move closer to data.
Continue reading “An Introduction to HDFS”