# Is not all heap used?

**URL:** https://discuss.elastic.co/t/is-not-all-heap-used/255110
**Category:** Elasticsearch
**Created:** [November 11, 2020, 6:17pm UTC](https://discuss.elastic.co/t/is-not-all-heap-used/255110 "2020-11-11T18:17:48Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Tuckson](https://avatars.discourse-cdn.com/v4/letter/t/f14d63/32.png) [@Tuckson](https://discuss.elastic.co/u/Tuckson)
#### Post date: [November 11, 2020, 6:17pm UTC](https://discuss.elastic.co/t/is-not-all-heap-used/255110/1 "2020-11-11T18:17:49Z")

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Hi,

Just wondering.  
I see this heap graph:

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/f/3/f328fa9aa5418869a51031980ee9e5bcccc87d4d.png)

I set it to 24GB (Of 48GB total Ram) But it looks like GC is already stepping in at 15 or 16 GB? Is there an alternate setting I need to set? Or is there something else I should adjust?

Thnx

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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: [December 9, 2020, 6:18pm UTC](https://discuss.elastic.co/t/is-not-all-heap-used/255110/2 "2020-12-09T18:18:02Z")

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