# 32 vs 64bit Java

**URL:** <https://discuss.elastic.co/t/32-vs-64bit-java/4932>\
**Category:** Elasticsearch\
**Created:** [July 23, 2011, 7:44am UTC](https://discuss.elastic.co/t/32-vs-64bit-java/4932 "2011-07-23T07:44:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Tim\_Hawkins](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tim_hawkins/32/3163_2.png) [@Tim\_Hawkins](https://discuss.elastic.co/u/Tim_Hawkins)\
**Post date:** [July 23, 2011, 7:44am UTC](https://discuss.elastic.co/t/32-vs-64bit-java/4932/1 "2011-07-23T07:44:44Z")

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I just noticed that ES is forcing 32bit operation ( -d32) on a 64bit capable VM, is there any particular reason for that?.

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**Author:** ![kimchy](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/kimchy/32/44952_2.png) [@kimchy](https://discuss.elastic.co/u/kimchy)\
**Post date:** [July 23, 2011, 2:56pm UTC](https://discuss.elastic.co/t/32-vs-64bit-java/4932/2 "2011-07-23T14:56:02Z")

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Where did you see that?

On Sat, Jul 23, 2011 at 10:44 AM, Tim Hawkins [tim.thawkins@gmail.com](mailto:tim.thawkins@gmail.com)wrote:

> I just noticed that ES is forcing 32bit operation ( -d32) on a 64bit  
> capable VM, is there any particular reason for that?.

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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, 3:59am UTC](https://discuss.elastic.co/t/32-vs-64bit-java/4932/3 "2017-07-06T03:59:44Z")

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Closed on July 6, 2017, 3:59am UTC