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ProductVersionsDescriptionReleased VersionsUpcoming Versions
API Manager1.5.0, 1.6.0, 1.7.0, 1.8.0, 1.9.0 and , 1.9.1, 1.10.0 and 2.0.0Requires configurations in addition to the standard worker/manager cluster, particularly if distributed mode is used. See here for the additional configurations. Worker/Manager separation is usually done for the Gateway, but can be done for the Publisher and Store as well.1.5.0, 1.6.0, 1.7.0, 1.8.0 and , 1.9.0, 1.9.1, 1.10.0 and 2.0.0NA

Application Server

5.2.0, 5.2.1 and 5.3.0Standard worker/manager separation.5.2.0 and 0, 5.2.1 and 5.3.0NA
Business Process Server3.1.0, 3.2.0, 3.5.0, 3.5.1 and 3.56.0While clustering BPS is relevant to this topic, it requires configurations in addition to the standard worker/manager cluster. See here for the additional configurations.3.1.0 and , 3.2.0, 3.5.0, 3.5.1 and 3.6.0NA
Business Rules Server2.1.0Standard worker/manager separation.2.1.0NA
Data Services Server3.1.0, 3.1.1, 3.2.0, 3.2.1, 3.2.2, 3.5.0 and 3.35.01Standard worker/manager separation.3.1.0, 3.1.1, 3.2.0, 3.2.1 and , 3.2.2, 3.5.0 and 3.5.1NA
Enterprise Service Bus4.8.0, 4.8.1 and , 4.9.0 and 5.0.0Standard worker/manager separation with some additional ESB-specific configurations.4.8.0 and , 4.8.1, 4.9.0 and
Task Server1.1.0Standard worker/manager separation. See here for additional steps needed.1.1.0NA

The following WSO2 products do NOT commonly use worker/manager separation in a clustered environment.

ProductVersionsDescriptionReleased VersionsUpcoming Versions
Business Activity Monitor2.4.0, 2.4.1 and 2.5.0BAM does not have a concept of worker/manager separation, but the Analyzer nodes require clustering. See here for BAM clustering.2.4.0, 2.4.1 and 2.5.0NA
Complex Event Processor3.0.0, 3.1.0, 4.0.0, 4.1.0 and 4.02.0CEP does not use a standard worker/manager cluster in a typical production environment.3.0.0 and , 3.1.0, 4.0.0, 4.1.0 and 4.2.0NA
Data Analytics Server3.0.0, 3.0.1 and 3.1.0DAS does not use a standard worker/manager cluster in a typical production environment.3.0.0, 3.0.1 and 3.1.0NA
Enterprise Store2.0.0 and 2.1.0ES does not support worker/manager separation.2.0.0 and 2.1.0NA
Governance Registry4.6.0, 5.0.0, 5.1.0, 5.2.0 and 5.03.0No concept of worker/manager separation. See here for clustering Governance Registry., 5.0.0, 5.0.1, 5.1.0, 5.2.0 and 5.3.0NA
Identity Server4.5.0, 4.6.0, 5.0.0, 5.1.0 and 5.12.0Worker/manager separation is not possible in the Identity Server and is not used as a typical scenario when deploying the Identity Server. See here for clustering the Identity Server.4.5.0, 4.6.0, 5.0.0, 5.1.0 and
Message Broker 2.2.0 and 3.0.0MB does not use a standard worker/manager cluster in a production environment.2.2.0 and 3.0.0NA


Worker/Manager separated clustering patterns


This worker/manager deployment setup provides proper separation of concerns between a Carbon-based product's UI components, management console, and related functionality with its internal framework serving requests to deployment artifacts. Typically, the management nodes are in read-write mode and authorized to add new artifacts or make configuration changes, whereas the worker nodes are in read-only mode, authorized only to deploy artifacts and read configurations. This deployment model provides improved security, since security since its management nodes can be set up behind an internal firewall and only exposed to internal clients while only worker nodes can be exposed externally. Also, since the user interface is not loaded onto 'worker' nodes, the deployment model is more efficient in memory utilization.