Event Platform/Maintainers

Event Platform

Documentation

• Schemas
• Schema guidelines
• Event Stream Configuration
• Producer requirements
• Flaws
• Decision Log

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• Stream Processing/Flink
• Stream Processing/Flink Catalog
• Stream Processing Use Cases
• Stream Processing Framework Evaluation

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• Instrumentation tutorial
• Differences with EventLogging legacy

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• Disambiguation page
• Maintainers

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Services, libraries, and repositories

• Event Utilities (code client libraries)
• EventGate service (admin)
• EventStreams service (admin)
• Schema API
• EventStreams API
• EventStreams API (Beta Cluster)
• Primary event schema repo
• Secondary event schema repo

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Event Platform Usages

• Wikidata Query Service Updater
• MediaWiki (Kafka) Job Queue
• ChangeProp
• Hadoop & Hive Event Ingestion Lifecycle
• Event data sanitization in Hadoop
• MediaWiki Event Enrichment
• Wikimedia Enterprise (via EventStreams)

See also

• EventBus extension (mediawiki.org)
• EventLogging extension (mediawiki.org)
• Issue tracker (Phabricator)
• Event Platform epic task (Phabricator)

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Every Event Platform component should have a steward with a manager, and at least 2 maintainers. If a component has fewer than 2 maintainers, it is in danger of being ill-supported. If maintainers leaves WMF, the steward/manager should find and assign a new maintainers.

Component	Description	Steward	Maintainers
eventgate-wikimedia (4 deployments in prod k8s)	Service	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena
EventGate	NodeJS Library	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena
eventstreams (2 deployments in k8s)	Service	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena
EventStreams	NodeJS Library	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena
EventBus	MW Extension	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena
wikimedia-event-utilities	Java Library	Event_Platform_Value_Stream	Andrew Otto, David Causse
eventutilities-python	Python / PyFlink library, built on wikimedia-event-utilities	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena, Thomas Chin
mediawiki-event-enrichment	PyFlink based applications for streaming enrichment of MediaWiki events	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena, Thomas Chin
flink-app helm chart	Helm chart for deploying Flink applications in Kubernetes	Event_Platform_Value_Stream	Andrew Otto, Gabriele Modena, Thomas Chin, David Cause, Brian King
flink-kuberntes-operator helm chart	Helm chart for deploying flink-kubernetes-operator, a dependency for the flink-app chart	Event_Platform_Value_Stream	Andrew Otto, Brian King
flink and flink-kubernetes-operator production docker images	Base image for Flink applications and flink-kubernetes-operator deployed in Kubernetes	Event_Platform_Value_Stream	Andrew Otto, Brian King
EventStreamConfig	MW Extension: Lib and (action) API endpoint	Event_Platform_Value_Stream	Andrew Otto, Sam Smith
Schema Repositories (1, 2) and Service	Repository / Service	Event_Platform_Value_Stream	Andrew Otto, Sam Smith
jsonschema-tools	NodeJS library	Event_Platform_Value_Stream	Andrew Otto, Thomas Chin