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