m2 cache issues in Jenkins?

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m2 cache issues in Jenkins?

Holden Karau
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

shane knapp ☠
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
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Re: m2 cache issues in Jenkins?

Holden Karau
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

shane knapp ☠
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
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Re: m2 cache issues in Jenkins?

Holden Karau
Will do :) Thanks for keeping the build system running smoothly :)

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

shane knapp ☠
In reply to this post by shane knapp ☠
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
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Re: m2 cache issues in Jenkins?

Hyukjin Kwon
Hm .. seems this is happening again in amp-jenkins-worker-04 ;(.

2020년 6월 25일 (목) 오전 3:15, shane knapp ☠ <[hidden email]>님이 작성:
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
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Re: m2 cache issues in Jenkins?

Holden Karau
Huh interesting that it’s the same worker. Have you filed a ticket to Shane?

On Wed, Jul 1, 2020 at 8:50 PM Hyukjin Kwon <[hidden email]> wrote:
Hm .. seems this is happening again in amp-jenkins-worker-04 ;(.

2020년 6월 25일 (목) 오전 3:15, shane knapp ☠ <[hidden email]>님이 작성:
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

Hyukjin Kwon
Nope, do we have an existing ticket? I think we can reopen if there is.

2020년 7월 2일 (목) 오후 1:43, Holden Karau <[hidden email]>님이 작성:
Huh interesting that it’s the same worker. Have you filed a ticket to Shane?

On Wed, Jul 1, 2020 at 8:50 PM Hyukjin Kwon <[hidden email]> wrote:
Hm .. seems this is happening again in amp-jenkins-worker-04 ;(.

2020년 6월 25일 (목) 오전 3:15, shane knapp ☠ <[hidden email]>님이 작성:
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

Holden Karau
We don't I didn't file one originally, but Shane reminded me to in the future.

On Wed, Jul 1, 2020 at 9:44 PM Hyukjin Kwon <[hidden email]> wrote:
Nope, do we have an existing ticket? I think we can reopen if there is.

2020년 7월 2일 (목) 오후 1:43, Holden Karau <[hidden email]>님이 작성:
Huh interesting that it’s the same worker. Have you filed a ticket to Shane?

On Wed, Jul 1, 2020 at 8:50 PM Hyukjin Kwon <[hidden email]> wrote:
Hm .. seems this is happening again in amp-jenkins-worker-04 ;(.

2020년 6월 25일 (목) 오전 3:15, shane knapp ☠ <[hidden email]>님이 작성:
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

Hyukjin Kwon
Ah, okay. Actually there already is - https://issues.apache.org/jira/browse/SPARK-31693. I am reopening.

2020년 7월 2일 (목) 오후 2:06, Holden Karau <[hidden email]>님이 작성:
We don't I didn't file one originally, but Shane reminded me to in the future.

On Wed, Jul 1, 2020 at 9:44 PM Hyukjin Kwon <[hidden email]> wrote:
Nope, do we have an existing ticket? I think we can reopen if there is.

2020년 7월 2일 (목) 오후 1:43, Holden Karau <[hidden email]>님이 작성:
Huh interesting that it’s the same worker. Have you filed a ticket to Shane?

On Wed, Jul 1, 2020 at 8:50 PM Hyukjin Kwon <[hidden email]> wrote:
Hm .. seems this is happening again in amp-jenkins-worker-04 ;(.

2020년 6월 25일 (목) 오전 3:15, shane knapp ☠ <[hidden email]>님이 작성:
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 
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Re: m2 cache issues in Jenkins?

Jungtaek Lim-2
Looks like Jenkins service itself becomes unstable. It took considerable time to just open the test report for a specific build, and Jenkins doesn't pick the request on rebuild (retest this, please) in Github comment.

On Thu, Jul 2, 2020 at 2:12 PM Hyukjin Kwon <[hidden email]> wrote:
Ah, okay. Actually there already is - https://issues.apache.org/jira/browse/SPARK-31693. I am reopening.

2020년 7월 2일 (목) 오후 2:06, Holden Karau <[hidden email]>님이 작성:
We don't I didn't file one originally, but Shane reminded me to in the future.

On Wed, Jul 1, 2020 at 9:44 PM Hyukjin Kwon <[hidden email]> wrote:
Nope, do we have an existing ticket? I think we can reopen if there is.

2020년 7월 2일 (목) 오후 1:43, Holden Karau <[hidden email]>님이 작성:
Huh interesting that it’s the same worker. Have you filed a ticket to Shane?

On Wed, Jul 1, 2020 at 8:50 PM Hyukjin Kwon <[hidden email]> wrote:
Hm .. seems this is happening again in amp-jenkins-worker-04 ;(.

2020년 6월 25일 (목) 오전 3:15, shane knapp ☠ <[hidden email]>님이 작성:
done:  
-bash-4.1$ cd .m2
-bash-4.1$ ls
repository
-bash-4.1$ time rm -rf *

real    17m4.607s
user    0m0.950s
sys     0m18.816s
-bash-4.1$

On Wed, Jun 24, 2020 at 10:50 AM shane knapp ☠ <[hidden email]> wrote:
ok, i've taken that worker offline and once the job running on it finishes, i'll wipe the cache.

in the future, please file a JIRA and assign it to me so i don't have to track my work through emails to the dev@ list.  ;)

thanks!

shane

On Wed, Jun 24, 2020 at 10:48 AM Holden Karau <[hidden email]> wrote:
The most recent one I noticed was https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/124437/console which was run on  amp-jenkins-worker-04.

On Wed, Jun 24, 2020 at 10:44 AM shane knapp ☠ <[hidden email]> wrote:
for those weird failures, it's super helpful to provide which workers are showing these issues.  :)

i'd rather not wipe all of the m2 caches on all of the workers, as we'll then potentially get blacklisted again if we download too many packages from apache.org.

On Tue, Jun 23, 2020 at 5:58 PM Holden Karau <[hidden email]> wrote:
Hi Folks,

I've been see some weird failures on Jenkins and it looks like it might be from the m2 cache. Would it be OK to clean it out? Or is it important?

Cheers,

Holden

--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu


--
Shane Knapp
Computer Guy / Voice of Reason
UC Berkeley EECS Research / RISELab Staff Technical Lead
https://rise.cs.berkeley.edu
--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 


--
Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9