Re: RE: phoebus display runtime

[chenhuiting--- via Tech-talk <tech-talk at aps.anl.gov>]

Hi, 

I'm so sorry I haven't noticed your letter.

Memory is 16 GiB (15.3GiB) and disk is 1T(991.4GB).In fact, Memory usage is always low even CPU usage is high.

I found the cause of the problem with a lot of help.

Since my computer GPU, Intel HD graphics 630 was released at 2017, and Centos7.3.1611 was released at 2016. The system may not be able to adapt to the GPU version, resulting in a series of previous situations.

I updated the system and solved the problem finally.

Thanks a lot.

 Huiting

---

chenhuiting at zjlab.org.cn

  CHEN Huiting

  Beamline Contrl Group, SSRF

  No. 239 Zhangheng Road, Pudong, Shanghai

 

From: Engbretson, Mark S.

Date: 2022-10-31 23:20

To: 'chenhuiting at zjlab.org.cn'; 'tech-talk'

Subject: RE: phoebus display runtime

How much memory/disk space does this computer have . . .

 

From: Tech-talk <tech-talk-bounces at aps.anl.gov> On Behalf Of chenhuiting--- via Tech-talk
Sent: Monday, October 31, 2022 2:54 AM
To: tech-talk <tech-talk at aps.anl.gov>
Subject: phoebus display runtime

 

Dear，all

I have a problem that java processes always occupy too much CPU, causing the computer system to crash,while phoebus is running.

 

After restarting the computer or phoebus software, the system becomes smooth.  However,the computer becomed sluggish after more than ten hours of uptime when phoebus’s file is display runtime. There is only one setting for address in the aile settings.ini.  I have tried different versions of phoebus, but the same situation has occurred. I used jstack, top -H, and matching pid with nid to find out what is happening. I found that the culprit was QuantumRenderer with 95+% CPU usage.

 

The application is using a 64Bit version of centos 7 with base3-15-5. And the current version is phoebus-4.6.6 with jdk-16.0.1.

I can't figure out where should I look to find out what is the problem...

How can I solve this problem?

 

Thanks！

 

---

chenhuiting at zjlab.org.cn

  CHEN Huiting

  Beamline Contrl Group, SSRF

  No. 239 Zhangheng Road, Pudong, Shanghai