File:Page-rank-throttling.png

Source for this diagram:

@startuml

participant MediaWiki

participant JobRunner

database "Elasticsearch\nUpdate Queue" as esq
participant Throttling
database "Batch update\nqueue" as buq

participant "PageRank\nDatastore" as prds
participant "Other Batch\nupdater" as other

MediaWiki -> esq: enqueue page update

prds -> buq: bulk enqueue page rank updates
other -> buq: bulk enqueue page rank updates


Throttling -> buq: consume batch update
Throttling -> esq: enqueue page updates\nat throttled rate
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JobRunner -> esq: consume page updates

@enduml

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