Add services

In ADCM a service means a software that performs some function. Examples of services for ADQM clusters: ADQMDB, Monitoring Clients, Zookeeper, etc. The steps for adding services to a cluster are listed below:

  1. 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.

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

    adcm services to cluster 01
    Switching to services adding
  3. In the opened dialog, select the services that should be added to the cluster, and click Add.

    adcm services to cluster 02
    Choosing services

    The brief description of available services is listed below.

    Services that can be added to the ADQM cluster
    Service Mandatory Purpose Availability

    ADQMDB

    Yes

    ClickHouse is a column-oriented database management system (DBMS) for online analytical processing of queries (OLAP)

    Community/Enterprise

    Zookeeper

    No

    Centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services

    Community/Enterprise

    Clickhousekeeper

    No

    Coordination system for data replication and distributed DDL queries execution (an alternative to ZooKeeper)

    Community/Enterprise

    Monitoring Clients

    No

    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

    Community/Enterprise

    Chproxy

    No

    HTTP proxy and load balancer for ClickHouse

    Enterprise

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

    adcm services to cluster 03
    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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