[JIRA] (JENKINS-54748) Memory leak in test-results-analyzer causes Jenkins to crash

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michal@machnicki.io (JIRA)

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Nov 21, 2018, 5:02:04 AM11/21/18
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Michal Machnicki updated an issue
 
Jenkins / Bug JENKINS-54748
Memory leak in test-results-analyzer causes Jenkins to crash
Change By: Michal Machnicki
Summary: Memory leak in test-results-analyzer causes Jenking Jenkins to crash
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danny.smit.0@gmail.com (JIRA)

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Aug 8, 2019, 6:56:03 AM8/8/19
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Danny Smit commented on Bug JENKINS-54748
 
Re: Memory leak in test-results-analyzer causes Jenkins to crash

We have recently installed the Test Results Analyzer and seem to have run into this issue. Especially if the 'auto refresh' is enabled, jenkins seem to crash within a day with excessive memory usage, but also excessive CPU usage. 

Is there any information I can provide to help track down and resolve this issue?

steevo51@gmail.com (JIRA)

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Aug 29, 2019, 5:00:08 AM8/29/19
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Is there any update on this? Our Jenkins machine is blowing up after viewing test results on 5 / 6 builds using the test results analyzer, it never resolves itself and we have to restart the Jenkins machine using linux to get thing back online which is not ideal.

adammgrant@gmail.com (JIRA)

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Jan 10, 2020, 2:40:02 PM1/10/20
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This is an urgent issue for my Jenkins service. Any updates? Can we make a bounty?

 

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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:14:04 PM3/9/20
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Gurce Isikyildiz updated an issue
 
Change By: Gurce Isikyildiz
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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:14:05 PM3/9/20
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Gurce Isikyildiz updated an issue
Change By: Gurce Isikyildiz
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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:15:07 PM3/9/20
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Gurce Isikyildiz updated an issue
Change By: Gurce Isikyildiz
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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:15:08 PM3/9/20
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Gurce Isikyildiz updated an issue
Change By: Gurce Isikyildiz
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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:15:09 PM3/9/20
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Gurce Isikyildiz updated an issue
Change By: Gurce Isikyildiz
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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:15:10 PM3/9/20
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Gurce Isikyildiz updated an issue
Change By: Gurce Isikyildiz
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gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:16:02 PM3/9/20
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Gurce Isikyildiz commented on Bug JENKINS-54748
 
Re: Memory leak in test-results-analyzer causes Jenkins to crash

fwiw, our workplace was having similar out-of-memory issues with our Jenkins server recently.

I tracked it down to this "test-results-analyzer" plugin also, as it was chewing up 2.9GB with just string-data.

Initially, I wrongly assumed that this plugin was responsible for the "Test Result" page of the interface, hence assumed this was a plugin that we needed.

 

 

 

However, I finally realised that this plugin is responsible for entirely different output. It provides a link called "Test Results Analyzer" which collates a large table of all your test results across all your builds. More info at this link.

 

So I now understood why it was chewing up so much string data, some of our projects have build histories consisting of up to 2000 builds, with hundreds of tests in them. So this would have resulted in an absolutely enormous table!

So with that understanding under my belt, I felt safe to delete this plugin, as our team has no need for it.

Just wanted to share this experience, in-case others are experiencing this same confusion between these two things.

gurce.isikyildiz@gmail.com (JIRA)

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Mar 9, 2020, 11:17:03 PM3/9/20
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Gurce Isikyildiz edited a comment on Bug JENKINS-54748
fwiw, our workplace was having similar out-of-memory issues with our Jenkins server recently.

I tracked it down to this "test-results-analyzer" plugin also, as it was chewing up 2.9GB with just string-data.

Initially, I +wrongly assumed+ that this plugin was responsible for the "*Test Result*" page of the interface, hence assumed this was a plugin that we needed. these were the web-ui pages affected:

!image-2020-03-10-14-14-23-905.png!  

 

!image-2020-03-10-14-14-28-949.png!

 

However, I finally realised that this plugin is responsible for entirely different output. It provides a link called "*Test Results Analyzer*" which collates a large table of all your test results across *all* your builds. More info [at this link|https://plugins.jenkins.io/test-results-analyzer/].

!image-2020-03-10-14-14-38-818.png!

 

So I now understood why it was chewing up so much string data, some of our projects have build histories consisting of up to 2000 builds, with hundreds of tests in them. So this would have resulted in an +absolutely enormous+ table! :)


So with that understanding under my belt, I felt safe to delete this plugin, as our team has no need for it.

Just wanted to share this experience, in-case others are experiencing this same confusion between these two things.
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