elasticsearch-dump查询结果再备份

# Backup the results of a query to a file

elasticdump \

  --input=http://production.es.com:9200/my_index \

  --output=query.json \

  --searchBody '{"query":{"term":{"username": "admin"}}}'

--searchBody

                    Preform a partial extract based on search results

                    when ES is the input, default values are

                      if ES > 5

                        `'{"query": { "match_all": {} }, "stored_fields": ["*"], "_source": true }'`

                      else

                        `'{"query": { "match_all": {} }, "fields": ["*"], "_source": true }'`