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Release 2.11 (July 2021)

Release 2.11 adds:

  • New option to have multiple topics for a cohort.
  • New support for automatic extraction of metadata from event brokers and API managers.

Details of these and other changes are in the sections that follow.

Description of Changes

New option to have multiple topics for a cohort

An open metadata repository cohort
uses three types of events to enable peer-to-peer sharing of metadata.
In previous releases, these events have all been exchanged through a single
event topic. Release 2.11 provides the option for a cohort to
use a dedicated topic for each type of event.
This improves the time to register a new member in the cohort
and allows multiple instances of a Metadata Server
or a Metadata Access Point
to access the cohort.

Details of these new options can be found in the
Administration Guide.

Extensions to the support for Data Managers

The Data Manager OMAS
has been extended to support the capture of metadata from
Event Brokers such as Apache Kafka and API Managers
such as an API Gateway.

There are two new associated
Open Metadata Integration Services (OMISs)
to support integration connectors
that extract metadata from these types of data managers:

For more information on the use of the Data Manager OMAS with
these integration services, see the
Data Manager Integration
solution.

Open Metadata Types

The following changes have been made to the open metadata types:

  • Deprecation of properties in Asset

    A number of properties that where originally defined in Asset were moved to
    classifications to allow them to be managed independently of the original asset.
    This occurred before the TypeDefPatch support was in place and so these properties
    were not marked as deprecated at that time. In 2.11, this deprecation has now been
    officially recorded in the Asset TypeDef. The properties are:

    • owner - now captured in the Ownership classification
    • ownerType - also captured in the Ownership classification
    • zoneMembership - now captured in the AssetZoneMembership classification
    • latestChange - now captures]d in the LatestChange classification

    See new type description in model 0010.

  • New types for APIManager and EventBroker.
    These types inherit from SoftwareServerCapability.
    These are used in the new Data Manager OMAS APIs.

    See new type descriptions in model 0050.

  • New type for a Threat governance driver and a relationship to connect
    a GovernanceDefinition
    with a metadata element that defines the scope where it is applicable.

    See new type descriptions in models 0401 and
    0405.

  • Deprecated type called TabularColumnType because it restricts tabular columns to primitive types when it could be a literal for example.
    Also a new subtype for TabularColumn called TabularFileColumn is added to be able to distinguish between tabular columns from
    files and RelationalColumn (which also inherits from TabularColumn).

    See type descriptions in model 0530.

  • Deprecated types called SimpleDocumentType, StructDocumentType and MapDocumentType because they
    offer little value since the type is typically stored in the TypeEmbeddedAttribute classification.
    This change makes the document schemas consistent with other types of schema.

    See type descriptions in model 0531.

  • Updated supertype of RelationalTableType to inherit from ComplexSchemaType rather than TabularColumnType
    since TabularColumnType is now deprecated.

    See type descriptions in model 0534.

  • New type called EventTypeList to allow a list of event types to be associated with a topic
    and a specific subtype of SchemaAttribute
    for an attribute in an event type to make it easier to search for
    data fields that are exclusively found in events.

    See new type descriptions in model 0535.

  • New types for APIParameter and APIParameter to allow the capture of properties
    related to the API's treatment of the parameters. There are also
    properties for APIOperation.

    See new type descriptions in model 0536.

  • New types for DisplayDataSchemaType, DisplayDataContainer, DisplayDataField, QuerySchemaType,
    QueryDataContainer and QueryDataField to allow the capture of properties related to the display of data to end users.

    See new type descriptions in model 0537.

Bug fixes and other updates

  • Additional Bug Fixes
  • Dependency Updates

For details on both see the commit history in GitHub.

Removed Functionality

The following capabilities have now been removed (they were previously deprecated and/or in not in 'Released' status):

  • Information View OMAS.
  • Virtualization Services & associated connectors.
  • Security Officer Services, Security sync services & associated connectors including for Apache Ranger.
  • Gaian database connector & additional authentication/impersonation support.

Much of the above capability can be implemented via Integration Services .
Hadoop specifics may be developed in the future within the Egeria Hadoop GitHub repository.

For more details of this change see #5314.

Similarly, the following services have been deleted:

  • Data Platform Services and Data Platform OMAS. For more details see #5344 .
  • Data Platform capabilities are already available in Database Integrator and Files Integrator already part of Integration Services.
  • Cassandra connectors: cassandra-data-store-connector and cassandra-metadata-extractor-connector will be introduced back
    in the Data Connectors GitHub repository. For more information see #2671 .

Known Issues

  • It is recommended to use a chromium-based browser such as Google Chrome or Microsoft Edge, or Apple Safari for the Egeria React UI. Some parts of the UI experience such as Dino currently experience problems with Firefox. See odpi/egeria-react-ui#96 .

Special note on Java Support

  • This is expected to be the last release supporting Java 8. The next release will commence the 3.x series of releases and require Java 11.

Egeria Implementation Status at Release 2.11

Egeria Implementation Status

Link to Egeria's Roadmap for more details about the
Open Metadata and Governance vision, strategy and content.

Further Help and Support

See the Community Guide.

License: CC BY 4.0,
Copyright Contributors to the ODPi Egeria project.

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