# Java heap space

**URL:** <https://discuss.elastic.co/t/java-heap-space/337902>\
**Category:** Elasticsearch\
**Created:** [July 7, 2023, 3:11pm UTC](https://discuss.elastic.co/t/java-heap-space/337902 "2023-07-07T15:11:38Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![UP\_NEWS](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/up_news/32/121369_2.png) [@UP\_NEWS](https://discuss.elastic.co/u/UP_NEWS)\
**Post date:** [July 7, 2023, 3:11pm UTC](https://discuss.elastic.co/t/java-heap-space/337902/1 "2023-07-07T15:11:38Z")

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Hello,

how to resolve this problem

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/b/2/b246518c73f14f6b8e63e70f3b93dd14e61cb2e4.png)

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/b/e/be7ca2e469a00655c49d72217f2723651e6bfb7f.png)

my jvm is 16g

Thanks

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<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [July 7, 2023, 3:33pm UTC](https://discuss.elastic.co/t/java-heap-space/337902/2 "2023-07-07T15:33:18Z")

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Looks like you may need to increase the size of the heap. What is the full output of the [cluster stats API](https://www.elastic.co/guide/en/elasticsearch/reference/8.8/cluster-stats.html)? Which version of Elasticsearch are you using?

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<div class="post-metadata">

**Author:** ![UP\_NEWS](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/up_news/32/121369_2.png) [@UP\_NEWS](https://discuss.elastic.co/u/UP_NEWS)\
**Post date:** [July 7, 2023, 3:44pm UTC](https://discuss.elastic.co/t/java-heap-space/337902/3 "2023-07-07T15:44:25Z")

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Hi,

i tried to increase the size but not working  
version is elasticsearch 7.14.1

Thanks

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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:** [August 4, 2023, 3:45pm UTC](https://discuss.elastic.co/t/java-heap-space/337902/4 "2023-08-04T15:45:09Z")

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