https://softwaresupport.hpe.com/km/KM02494295 Content of KM from Jun 20, 2017: Title Installing Elasticsearch server Summary Elasticsearch is a required component of ALM Octane. This document is provided as a service on how to install and configure Elasticsearch on a Red Hat Enterprise Linux / Centos or Windows platforms. Topic This article provides the steps for installing an Elasticsearch database. Elasticsearch is a required database component for ALM Octane. Response Elasticsearch is quite memory intensive and requires disk space to maintain indexes. Therefore, we recommend you have a dedicated machine. The size of the customer environment (standalone or clustered, number of workspaces, amount of data, and so on) may affect whether you need a mid-level machine or an Elasticsearch cluster. Therefore, the decision to use an existing server depends on the type of operations anticipated. For example, for testing purposes by a small pilot team,