In this case, each search node should be located in a separate availability zone to maintain availability in the event of a failure in one zone. Search nodes can be located in different availability zones, but they must be in the same region. Generally, search nodes are configured with more CPU and RAM than application nodes. Application and search nodes, however, can differ from one another. Similarly, all search nodes should be identical to each other. The operating system requirements for servers are available on the Requirements page.Īll application nodes should be identical in terms of hardware and software. You can also add application nodes to increase computing capabilities. Servers can be virtual machines it is not necessary to use physical machines. You need a minimum of five servers (two application nodes and three search nodes) to form a SonarQube application cluster. Here is a diagram of the default topology: With this configuration, one application node and one search node can be lost without impacting users. This software must be supplied by the installing organization. PostgreSQL, Oracle, or Microsoft SQL Server database server.The installing organization must supply this hardware or software component. A reverse proxy / load balancer to load balance traffic between the two application nodes.SSDs perform significantly better than HDDs for these nodes. Three search nodes that host the Elasticsearch process that will store data indices.You can add application nodes to increase computing capabilities. Two application nodes responsible for handling web requests from users (WebServer process) and handling analysis reports (ComputeEngine process).The default configuration for the Data Center Edition comprises five servers, a load balancer, and a database server: The Data Center Edition allows SonarQube to run in a clustered configuration to make it resilient to failures. Running SonarQube as a Cluster is only possible with a Data Center Edition.
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