# Visualizing Logstash Output

**URL:** <https://discuss.elastic.co/t/visualizing-logstash-output/145309>\
**Category:** Elasticsearch\
**Created:** [August 21, 2018, 7:12am UTC](https://discuss.elastic.co/t/visualizing-logstash-output/145309 "2018-08-21T07:12:12Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Priyaranjan\_Mudliar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/priyaranjan_mudliar/32/33726_2.png) [@Priyaranjan\_Mudliar](https://discuss.elastic.co/u/Priyaranjan_Mudliar)\
**Post date:** [August 21, 2018, 7:12am UTC](https://discuss.elastic.co/t/visualizing-logstash-output/145309/1 "2018-08-21T07:12:12Z")

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Sorry if this has been discussed before, I am a newbie in ELK stack

I have two application servers which has a bunch of log files that i collect and parse using logstash. Now i need Kibana to visualize those logs but the logstash output might become very large after some time. How can i automatically delete my previous log output from elasticsearch and kibana ?

Please guide me on this part.  
Thanks

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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:** [September 18, 2018, 7:12am UTC](https://discuss.elastic.co/t/visualizing-logstash-output/145309/2 "2018-09-18T07:12:16Z")

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Closed on September 18, 2018, 7:12am UTC

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