# Parsing nested JSON in logstash

**URL:** <https://discuss.elastic.co/t/parsing-nested-json-in-logstash/218306>\
**Category:** Logstash\
**Created:** [February 7, 2020, 9:44am UTC](https://discuss.elastic.co/t/parsing-nested-json-in-logstash/218306 "2020-02-07T09:44:11Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Radha\_Krishna](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/radha_krishna/32/54597_2.png) [@Radha\_Krishna](https://discuss.elastic.co/u/Radha_Krishna)\
**Post date:** [February 7, 2020, 9:44am UTC](https://discuss.elastic.co/t/parsing-nested-json-in-logstash/218306/1 "2020-02-07T09:44:11Z")

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I'm facing an issue with indexing the following event in logstash.  
{  
"event\_id" : 132,  
"thread\_id" : 5664,  
"record\_number" : "1270538",  
"beat" : {  
"hostname" : "my\_host",  
"version" : "5.4.2",  
"name" : "events"  
}  
}

instead of indexing the fields as beat.hostname, i want to index it as just hostname

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<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [February 7, 2020, 2:10pm UTC](https://discuss.elastic.co/t/parsing-nested-json-in-logstash/218306/2 "2020-02-07T14:10:12Z")

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Use mutate+rename.

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 6, 2020, 2:10pm UTC](https://discuss.elastic.co/t/parsing-nested-json-in-logstash/218306/3 "2020-03-06T14:10:19Z")

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