Nikolay Vasiliev questions

Nikolay Vasiliev answers

• elastic search copy_to field not filled
• accumulator in pyspark with dict as global variable
• Sub aggregation with sum/average with Elasticsearch
• Elasticsearch sorting by array column
• Regexp starts with not working Elasticsearch 6.*
• Parent Child Relation In Elastic Search 7.5
• Elastic Search - Failed To Create Query
• Elasticsearch pagination
• How to execute spark-shell from file with nohup?
• How to exclude a field from getting searched by elasticsearch 6.1?