# Changing Logstash Heap Size

**URL:** https://discuss.elastic.co/t/changing-logstash-heap-size/69542
**Category:** Logstash
**Created:** [December 20, 2016, 9:45am UTC](https://discuss.elastic.co/t/changing-logstash-heap-size/69542 "2016-12-20T09:45:21Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![wenyao](https://avatars.discourse-cdn.com/v4/letter/w/34f0e0/32.png) [@wenyao](https://discuss.elastic.co/u/wenyao)
#### Post date: [December 20, 2016, 11:34am UTC](https://discuss.elastic.co/t/changing-logstash-heap-size/69542/3 "2016-12-20T11:34:06Z")

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How do i use LS\_JAVA\_OPTS for multiple flags? do you have an example?

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