Compare IDs between two indices in elasticsearch -


i have 2 indices in elasticsearch cluster, containing ought same data in 2 different formats. however, number of records different. ids of each document should same. there way extract list of ids present in 1 index not other?

if 2 indices have same type these documents stored, can use this:

get index1,index2/_search {   "size": 0,   "aggs": {     "group_by_uid": {       "terms": {         "field": "_uid"       },       "aggs": {         "count_indices": {           "cardinality": {             "field": "_index"           }         },         "values_bucket_filter_by_index_count": {           "bucket_selector": {             "buckets_path": {               "count": "count_indices"             },             "script": "params.count < 2"           }         }       }     }   } }

the query above works in 5.x. if id field inside document, that's better test.


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