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Posted to issues@flink.apache.org by "Jacob Jona Fahlenkamp (Jira)" <ji...@apache.org> on 2025/06/12 13:14:00 UTC

[jira] [Created] (FLINK-37950) MongoDB connector should support ordered option

Jacob Jona Fahlenkamp created FLINK-37950:
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             Summary: MongoDB connector should support ordered option
                 Key: FLINK-37950
                 URL: https://issues.apache.org/jira/browse/FLINK-37950
             Project: Flink
          Issue Type: Improvement
          Components: Connectors / MongoDB
    Affects Versions: 1.20.1
            Reporter: Jacob Jona Fahlenkamp


The MongoDB connector is slower than expected. We using MongoDB API directly, we typically use the ordered(false) option  to improve bulk write performance: [https://www.mongodb.com/docs/drivers/java/sync/current/crud/bulk/#unordered-execution]

The mongodb connector currently doesn't expose this option. It calls bulkWrite without specifying BulkWriteOptions (default options) here: [https://github.com/apache/flink-connector-mongodb/blob/main/flink-connector-mongodb/src/main/java/org/apache/flink/connector/mongodb/sink/writer/MongoWriter.java#L216]

The default setting is ordered, where mongodb is forced to perform the bulk operations in sequence.

It would be great if there was a connector option to set this mongodb option.



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