Upgrading Pivotal GemFire
To upgrade Pivotal GemFire from an existing installation, you install the latest version of the software from a ZIP file. An upgrade from one major version to another (for example, from GemFire 8.2.x to 9.0.x) will require brief downtime for your system.
This section lists information you need to know before you begin to upgrade Pivotal GemFire.
If your operating system is Mac OSX, you can upgrade Pivotal GemFire from a Homebrew package.
For all other OS users, upgrade Pivotal GemFire on every virtual and physical machine that will run GemFire.
This topic describes the compatibility rules for deploying different versions of Pivotal GemFire.