Add services

Daria Barysheva

In ADCM a service means a software that performs some function. Examples of services for ADB clusters: ADB, ADCC, Chrony, etc. The steps for adding services to a cluster are listed below:

From the CLUSTERS tab switch to the cluster configuring. To do this, click the row that contains the added cluster or click the icon in the Config column. Both methods open the cluster menu.

Switching to cluster configuring
Open the Services tab in the cluster menu and click Add services.

Switching to services adding

In the opened dialog, select the services that should be added to the cluster, and click Add.

Choosing services

The brief description of available services is listed below. CE means 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 Greenplum
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
Tkhemali	No	EE	A service that provides one-way ADB interactions with ClickHouse. Requires PXF
ADB to Kafka	No	EE	A service that provides one-way ADB interactions with Kafka. Requires PXF
Kafka to ADB	No	EE	A service that provides one-way Kafka interactions with ADB
ADBM	No	EE	Arenadata DB Backup Manager — a service for ADB binary backups management. Can be installed only offline
ADCC	No	EE	Arenadata DB Control (ADB Control) — a service for monitoring, diagnostics, and management of queries, that run in the ADB cluster. Can be installed only offline
Monitoring Clients	No	CE/EE	Agents that send information on hosts to the monitoring system, that is based on such services as Diamond, Graphite, and Grafana. The service should be added after the monitoring cluster is installed and configured, if monitoring of the current cluster is planned

As a result, the added services are displayed at the Services tab.

The result of successful adding services to a cluster

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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