Devtools only showing 10,000 hits

Elastic Stack Kibana
#1

I have just installed Elasticsearch 7.8.0 on my laptop as a dev environment. I am using 6.8.10 in production. I have a dataset of around 600,000 documents however when I did a match_all in devtools, its only showing 10,000 hits. Is there a setting I'm missing?

GET igemsbigdata-misc/_search
{
  "size": 0, 
  "query": {
    "match_all": {}
  }
}

{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 10000,
      "relation" : "gte"
    },
    "max_score" : null,
    "hits" : [ ]
  }
}

Discover tells me: 672,750 hits

Sep 29, 2020 @ 02:39:06.615 - Oct 1, 2020 @ 17:56:02.215

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#2

There is indeed a solution to this.

I will link to someone who already wrote about it very well somewhere else:

But to summarize, you can either use the "track_total_hits": true variable, like this:

GET <index_name>/_search
{
    "size":1,
    "track_total_hits": true
}

or use the scroll API, like this:

 POST /<index_name>/_search?scroll=1m
{
"size": 100,
"query": {
    "match" : {
        "title" : "elasticsearch"
    }
  }
}
#3

I'm not looking to retrieve the query, I need to know the number of documents. When I query the production cluster, it goes like this.

GET igemsbigdata-*/_search
{
  "size": 0, 
  "query": {
    "match_all": {}
  }
}

And I get.

{
  "took": 170,
  "timed_out": false,
  "_shards": {
    "total": 987,
    "successful": 987,
    "skipped": 0,
    "failed": 0
  },
  "hits": {
    "total": 33350663314,
    "max_score": 0,
    "hits": []
  }
}

So I know I have 33,350,663,314. I just need to know the total hits.

#4

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