Chapter 2. Installing VoltDB

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Chapter 2. Installing VoltDB

VoltDB provides all the transactional consistency and durability of a SQL database, plus best-in-class performance and throughput due to its innovative in-memory design and architecture. The VoltDB software comes as pre-built distributions. This chapter explains the system requirements for running VoltDB, how to install and upgrade the software, and what resources are provided in the kit.

2.1. Operating System and Software Requirements

The following are the requirements for developing and running VoltDB applications.

Table 2.1. Operating System and Software Requirements

Operating System	VoltDB requires a 64-bit Linux-based operating system. Kits are built and qualified on the following platforms: Red Hat (RHEL) version 8.6 or later, including 9.0 and subsequent releases Rocky Linux version 8.6 or later, including 9.0 and subsequent releases Ubuntu versions 20.04 and 22.04 Macintosh OS X 11.0 and later (for development only)
CPU	Dual core¹ x86_64 processor 64 bit 1.6 GHz
Memory	4 Gbytes²
Java³	VoltDB Server: Java 11, 17, or 21 Java and JDBC Client: Java 8, 11, 17, or 21
Required Software	Time synchronization service, such as NTP or chrony⁴ Python 3.9 or later
Recommended Software	Eclipse 3.x (or other Java IDE)
Footnotes: Dual core processors are a minimum requirement. Four or eight physical cores are recommended for optimal performance. Memory requirements are very specific to the storage needs of the application and the number of nodes in the cluster. However, 4 Gigabytes should be considered a minimum configuration. VoltDB supports JDKs from OpenJDK or Oracle. Time synchronization services minimize the time difference between nodes in a database cluster, which is critical for VoltDB. All nodes of the cluster should be configured to synchronize against the same time server. Using a single local server is recommended, but not required.

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