DBZ-182 Restart MongDB initial sync if necessary #176
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Corrected the MongoDB connector upon startup to restart an initial sync if the previously recorded offset signals that an initial sync was not completed in the prior run. Also change the connector’s replicator to buffer the last record during an initial sync so that, upon completion of the initial sync, the last record can be updated with an offset that reflects that the initial sync was completed. This way, if the initial sync is completed but there are no other events in the oplog, the connector will still consider the initial sync as completed.
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Corrected the MongoDB connector upon startup to restart an initial sync if the previously recorded offset signals that an initial sync was not completed in the prior run.
Also change the connector’s replicator to buffer the last record during an initial sync so that, upon completion of the initial sync, the last record can be updated with an offset that reflects that the initial sync was completed. This way, if the initial sync is completed but there are no other events in the oplog, the connector will still consider the initial sync as completed.