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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 22:53:49 UTC

[GitHub] [beam] kennknowles opened a new issue, #19182: Allow modification of JSON value before writing to ElasticSearch

kennknowles opened a new issue, #19182:
URL: https://github.com/apache/beam/issues/19182

   I have an Apache Beam streaming job which reads data from Kafka and writes to ElasticSearch using ElasticSearchIO.
   
   The issue I'm having is that messages in Kafka already have _`key`_ field, and using `ElasticSearchIO.Write.withIdFn()` I'm mapping this field to document _`_id`_ field in ElasticSearch.
   
   Having a big volume of data I don't want the _`key`_ field to be also written to ElasticSearch as part of _`_source`_.
   
   Is there an option/workaround that would allow doing that?
   
   Imported from Jira [BEAM-6168](https://issues.apache.org/jira/browse/BEAM-6168). Original Jira may contain additional context.
   Reported by: marknorkin.


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