Add services
In ADCM, a service means a software that performs some function. Examples of services for ADB clusters: ADB, PXF, Chrony, etc. The steps for adding services to a cluster are listed below:
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Select a cluster on the Clusters page. To do this, click a cluster name in the Name column.
Select a cluster -
Open the Services tab on the cluster page and click Add service.
Switch to adding services -
In the opened dialog, select services that should be added to the cluster and click Add.
Select servicesThe brief description of available services is listed below.
CEmeans the Common Edition of ADB,EE— the Enterprise Edition of ADB.Services that can be added to the ADB cluster Service Mandatory Edition Purpose ADB
Yes
CE/EE
A core service, corresponding to the massively parallel DBMS based on Greengage DB
Chrony
No
CE/EE
A time service. Provides time synchronization for the cluster hosts, that is necessary for the cluster to work correctly. If the time service is already configured on the hosts, there is no need to install Chrony
PXF
No
CE/EE
A service that provides ADB interactions with external data sources
ADB ClickHouse Connector
No
EE
ADB ClickHouse Connector — a service that provides two-way ADB interactions with ClickHouse. Requires PXF
ADB to Kafka
No
EE
ADB to Kafka Connector — a service that provides one-way ADB interactions with Kafka. Requires PXF
Kafka to ADB
No
EE
Kafka to ADB Connector — a service that provides one-way Kafka interactions with ADB
ADB to ADB
No
EE
ADB to ADB Connector — a service that provides two-way interactions between ADB clusters
ADBM agents
No
EE
Service that performs backup and restore operations on ADB hosts as part of ADBM functionality. If you add this service, you will need to import the configuration of an ADB ES cluster before installing the service. Can be installed only offline
ADBC agents
No
EE
Service that collects metrics from the ADB master and segments and sends them to ADB Control. If you add this service, you will need to import the configuration of an ADB ES cluster before installing the service. Can be installed only offline
Monitoring
No
CE/EE
A monitoring service, built on Prometheus and Grafana
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As a result, the added services are displayed on the Services tab.
The result of successful adding services to a cluster
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NOTE
You can also add services later. The process of adding new services to already running cluster does not differ from installing a service from scratch.
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