JMX_Exporter Memory Usage

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afdra...@gmail.com

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May 17, 2017, 8:50:08 AM5/17/17
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Hello,

I've noticed the JMX_Exporter(s) running processes are taking up quite a bit of memory (7G) for each. Is there a default limit for how much memory the jmx_exporter uses? if so, how can I change the memory usage limit so that it doesn't take up that much memory? 

Thank you,
Aliesha

Brian Brazil

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May 17, 2017, 8:53:33 AM5/17/17
to Aliesha, Prometheus Users
On 17 May 2017 at 13:50, <afdra...@gmail.com> wrote:
Hello,

I've noticed the JMX_Exporter(s) running processes are taking up quite a bit of memory (7G) for each. Is there a default limit for how much memory the jmx_exporter uses? if so, how can I change the memory usage limit so that it doesn't take up that much memory? 

The JMX exporter is stateless, I doubt it's the exporter itself that's the issue. What JVM memory parameters (-Xmx and friends) have you specified?


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afdra...@gmail.com

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May 17, 2017, 9:30:59 AM5/17/17
to Prometheus Users, afdra...@gmail.com
The JVM properties are set for other processes, but not the jmx_exporter. I will try setting it to -Xms512m -Xmx1024m -XX:MaxPermSize=1024m and see how it performs. 

Brian Brazil

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May 17, 2017, 9:34:05 AM5/17/17
to Aliesha, Prometheus Users
On 17 May 2017 at 14:30, <afdra...@gmail.com> wrote:
The JVM properties are set for other processes, but not the jmx_exporter. I will try setting it to -Xms512m -Xmx1024m -XX:MaxPermSize=1024m and see how it performs. 

You're probably picking up machine defaults then. In general it's recommended to run the jmx exporter as a java agent.

Brian
 

On Wednesday, May 17, 2017 at 8:53:33 AM UTC-4, Brian Brazil wrote:
On 17 May 2017 at 13:50, <afdra...@gmail.com> wrote:
Hello,

I've noticed the JMX_Exporter(s) running processes are taking up quite a bit of memory (7G) for each. Is there a default limit for how much memory the jmx_exporter uses? if so, how can I change the memory usage limit so that it doesn't take up that much memory? 

The JMX exporter is stateless, I doubt it's the exporter itself that's the issue. What JVM memory parameters (-Xmx and friends) have you specified?


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afdra...@gmail.com

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May 17, 2017, 11:33:15 AM5/17/17
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We're using the jmx_exporter with HTTP server as this is the best use case for us.


On Wednesday, May 17, 2017 at 9:34:05 AM UTC-4, Brian Brazil wrote:
On 17 May 2017 at 14:30, <afdra...@gmail.com> wrote:
The JVM properties are set for other processes, but not the jmx_exporter. I will try setting it to -Xms512m -Xmx1024m -XX:MaxPermSize=1024m and see how it performs. 

You're probably picking up machine defaults then. In general it's recommended to run the jmx exporter as a java agent.

Brian
 

On Wednesday, May 17, 2017 at 8:53:33 AM UTC-4, Brian Brazil wrote:
On 17 May 2017 at 13:50, <afdra...@gmail.com> wrote:
Hello,

I've noticed the JMX_Exporter(s) running processes are taking up quite a bit of memory (7G) for each. Is there a default limit for how much memory the jmx_exporter uses? if so, how can I change the memory usage limit so that it doesn't take up that much memory? 

The JMX exporter is stateless, I doubt it's the exporter itself that's the issue. What JVM memory parameters (-Xmx and friends) have you specified?


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dongl...@gmail.com

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May 31, 2018, 12:10:27 AM5/31/18
to Prometheus Users
Hi,

     Does this problem has been solved?

Thank you,
Jack

在 2017年5月17日星期三 UTC+8下午8:50:08，afdra...@gmail.com写道：

Aliesha

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May 31, 2018, 6:53:45 AM5/31/18
to dongl...@gmail.com, Prometheus Users
Since making the java changes recommended we haven't experienced any issues.

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