# Cleaning data

**URL:** <https://discuss.elastic.co/t/cleaning-data/125419>\
**Category:** Logstash\
**Created:** [March 23, 2018, 11:35pm UTC](https://discuss.elastic.co/t/cleaning-data/125419 "2018-03-23T23:35:28Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![DC64](https://avatars.discourse-cdn.com/v4/letter/d/919ad9/32.png) [@DC64](https://discuss.elastic.co/u/DC64)\
**Post date:** [March 23, 2018, 11:35pm UTC](https://discuss.elastic.co/t/cleaning-data/125419/1 "2018-03-23T23:35:29Z")

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After making some changes to my Logstash configuration file, I still see the results of previous inputs of data in Kibana. I'm looking to delete my old data.  
On windows, where is the data saved? I'm using data that only has to be loaded once, instead of using streamlined data. Would these be called shards or indexes?

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**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:** [March 24, 2018, 1:43am UTC](https://discuss.elastic.co/t/cleaning-data/125419/2 "2018-03-24T01:43:02Z")

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> [@DC64](#):
>
> I'm using data that only has to be loaded once, instead of using streamlined data. Would these be called shards or indexes?

Indexes. You can use Dev Tools to DELETE SomeIndexName

If you are testing logstash configs, it might be easier to use a stdout { codec =\> rubydebug } output than put it into ES and view it in Kibana.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 21, 2018, 1:43am UTC](https://discuss.elastic.co/t/cleaning-data/125419/3 "2018-04-21T01:43:20Z")

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Closed on April 21, 2018, 1:43am UTC

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