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https://issues.apache.org/jira/browse/BEAM-2639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17007294#comment-17007294
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Will Morgan commented on BEAM-2639:
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Hi there, I am keen to assist and provide a use case for testing this as my
organisation (and others!) would benefit hugely from streaming directly from
Mongo into a quota limited sink like BigQuery.
Has there been any movement on this since 2018?
> Unbounded Source for MongoDB
> ----------------------------
>
> Key: BEAM-2639
> URL: https://issues.apache.org/jira/browse/BEAM-2639
> Project: Beam
> Issue Type: Bug
> Components: io-java-mongodb
> Affects Versions: 2.0.0
> Reporter: Neville Dipale
> Priority: Minor
>
> The current MongoDB source is bounded, which means that we can't build
> streaming pipelines directly from MongoDB.
> MongoDB publishes changes in each collection through the oplog. Would it be
> possible to create a connector that reads the oplog to create an unbounded
> source?
> As an oplog is only available through replication, this creates that
> dependency. We would need to also consider whether a polling method (using
> the ObjectId) could be an appropriate fallback.
> Thanks
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