diff --git a/README.md b/README.md index b64b019f510bef865b22413f3bac38c8220461e6..012bc26c46c74afe10e6629d959b5b324c62380a 100644 --- a/README.md +++ b/README.md @@ -11,14 +11,22 @@ instructions. [](https://developer.skatelescope.org/projects/ska-docker/en/latest/?badge=latest) -Docker images such as tango-archiver, mariadb and hdb++ viewer are used for archiving various attributes and states of -tango devices. Containers like mariadb, databaseds, hdbpp-es, hdbpp-cm should be up and running. HDB++ is a historical -database used to store the archived attributes values. Here maria database with default schema of hdp++ is used to store -the archived values. -Hdbpp-es is event suscriber device is in charge of gathering the values from the Tango devices and storing them into the -database (mariadb). Hdbpp-cm is a configuration manager server. It configures the attributes to be archived and defines -which Event Subscriber is responsible for a set of Tango attributes to be archived. -Hdbpp-viewer shows the picturial representation of archived attributes, which are stored in maria database. +HDB++ is a archiver available in TANGO. It is configured to subscribe to TANGO attributes to be archived. MariaDB +provides the archival database. HDB++ default schema is used to store the archived data. It consists of the following +components: +The Hdbpp-es is a event suscriber device which subscribes to the Tango attributes. Multiple instances of the event +subscriber are deployed to support large number of attributes. These attributes could belong to multiple TANGO Devices. +The Hdbpp-cm provides the configuration manager. It allows to configure the attributes to be archived and defines which +Event Subscriber is responsible for a set of Tango attributes to be archived. +Hdbpp-viewer shows the graphical representation of the archived data, which is stored in the data archive. + +The archiever solution comprises of the following Docker images: + +Tango-archiver(hdbpp-es and hdbpp-cm), Mariadb and Hdb++ viewer + +Containers like mariadb, databaseds, hdbpp-es and hdbpp-cm should be up and running in order to work HDB++ archiver solution. + + # Important links * [Link for Mariadb container](https://gitlab.com/ska-telescope/ska-docker/tree/story_AT1-422/docker/tango/mariadb_hdbpp)