Mistake in documentation
In above image mutate rename example differs with
There are quite a lot of such occurrences. They do not matter very much because logstash will automatically convert and array to a hash (and vice versa) in this situation.
© 2020. All Rights Reserved - Elasticsearch
Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries.