Data Lake for Enterprises

Hadoop architecture 2.x

We hope that by now you understand the Hadoop 1.x architecture; let's dive into the version that we will be using in our book, which is Hadoop 2.7.3 (2.x).

The following figure shows the various components of the Hadoop 2.x architecture at a high level:

Figure 07: High-level Hadoop 2.x conceptual architecture

The core aspects of the Hadoop 2.x architecture are very much similar to the Hadoop 1.x architecture. As shown in the preceding figure, the main components in the Hadoop architecture are as follows:

• Hadoop Core/Common Module: As detailed earlier, it refers to the core modules in the form of a JAR file that all ...