Grafana-将弹性字符串值转换为

Question

I would like to graph values from elasticsearch with grafana. The problem is that the value is stored as string:

[
  {"timestamp": 123123123123,
   "value": "12"},
  {"timestamp": 123123123123,
   "value": "14"}
]

When I then select metric in grafana 'Max', there is no value shown.

I tried in the metric -> options to set script to parseInt(_value) which does not help

Answer 1

It is not possible on the Grafana or Elasticsearch level . Fix your ES field mapping ( double datatype for value field) https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping.html and you will receive correct format for Grafana directly from ES.