# High CPU load on ES java client with 0.19.2

**URL:** <https://discuss.elastic.co/t/high-cpu-load-on-es-java-client-with-0-19-2/7441>\
**Category:** Elasticsearch\
**Created:** [April 23, 2012, 12:38pm UTC](https://discuss.elastic.co/t/high-cpu-load-on-es-java-client-with-0-19-2/7441 "2012-04-23T12:38:18Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![rore](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rore/32/399_2.png) [@rore](https://discuss.elastic.co/u/rore)\
**Post date:** [April 23, 2012, 12:38pm UTC](https://discuss.elastic.co/t/high-cpu-load-on-es-java-client-with-0-19-2/7441/1 "2012-04-23T12:38:18Z")

</div>

Hi,

I've updated our system from 0.18.7 to 0.19.2.  
We're using the Java client with the EC2 discovery plugin.  
Since the update our client machines are having CPU issues where CPU is  
spiking and holding for long minutes on 100%. Any possibilities on what may  
be causing it? This is a major issue.

Thanks.

---

<div class="post-metadata">

**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:** [April 23, 2012, 5:00pm UTC](https://discuss.elastic.co/t/high-cpu-load-on-es-java-client-with-0-19-2/7441/2 "2012-04-23T17:00:24Z")

</div>

Can you issue a thread dump on the client (or possibly profile it) and see  
where the CPU is being spent?

On Mon, Apr 23, 2012 at 3:38 PM, Rotem [rotem.hermon@gmail.com](mailto:rotem.hermon@gmail.com) wrote:

> Hi,
> 
> I've updated our system from 0.18.7 to 0.19.2.  
> We're using the Java client with the EC2 discovery plugin.  
> Since the update our client machines are having CPU issues where CPU is  
> spiking and holding for long minutes on 100%. Any possibilities on what may  
> be causing it? This is a major issue.
> 
> Thanks.

---

<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:** [July 6, 2017, 3:31am UTC](https://discuss.elastic.co/t/high-cpu-load-on-es-java-client-with-0-19-2/7441/3 "2017-07-06T03:31:19Z")

</div>

Closed on July 6, 2017, 3:31am UTC