# Logstah JVM

**URL:** https://discuss.elastic.co/t/logstah-jvm/57709
**Category:** Logstash
**Created:** [August 10, 2016, 1:59pm UTC](https://discuss.elastic.co/t/logstah-jvm/57709 "2016-08-10T13:59:40Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![Nizar\_Khalifa](https://avatars.discourse-cdn.com/v4/letter/n/ed655f/32.png) [@Nizar\_Khalifa](https://discuss.elastic.co/u/Nizar_Khalifa)
#### Post date: [August 10, 2016, 1:59pm UTC](https://discuss.elastic.co/t/logstah-jvm/57709/1 "2016-08-10T13:59:41Z")

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Hello,

How can i set the xmx variable for logstash ?

I tried to uncomment LS\_HEAP\_SIZE="1g" in /etc/default/logstash file but it doesn't work.

Any help please ?

Best regards.  
Nizar.

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### Author: ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)
#### Post date: [August 10, 2016, 8:47pm UTC](https://discuss.elastic.co/t/logstah-jvm/57709/2 "2016-08-10T20:47:15Z")

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> [@Nizar\_Khalifa](#):
>
> but it doesn't work

What do you mean? How doesn't it work?

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### Author: ![Nizar\_Khalifa](https://avatars.discourse-cdn.com/v4/letter/n/ed655f/32.png) [@Nizar\_Khalifa](https://discuss.elastic.co/u/Nizar_Khalifa)
#### Post date: [August 10, 2016, 9:05pm UTC](https://discuss.elastic.co/t/logstah-jvm/57709/3 "2016-08-10T21:05:05Z")

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I mean it still running with Xmx=500m

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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: [July 6, 2017, 4:43am UTC](https://discuss.elastic.co/t/logstah-jvm/57709/4 "2017-07-06T04:43:54Z")

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