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I Dont Exactly Know How To Ask For Help On This... Nor Have A Reproducible Minimal Example... I Downgraded Back To 1.15.1 From 1.16.2 And Have The Same Issue There. I Have A Pipeline That'S Repeatedly Failing To Complete. It Correctly Marks Things As Cach

i dont exactly know how to ask for help on this... nor have a reproducible minimal example...
I downgraded back to 1.15.1 from 1.16.2 and have the same issue there.
I have a pipeline that's repeatedly failing to complete. it correctly marks things as cached, and then just doesnt execute the last step. The task stays "Running" forever, but disappears - the worker just has a process that dies. CPU/RAM aren't running out or anything like that at all. Prior runs of this pipeline worked just fine (less cached then too).

Has anyone seen this kind of "disappearing / zombie task" state before? It's very perplexing to me.

  
  
Posted one month ago
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Answers 43


yeah this problem seems to happen on 1.15.1 and 1.16.2 as well, prior runs were on the same version even. It just feels like it happens absolutely randomly (but often).
just happened again to me.

The pipeline is constructed from tasks, it basically does map/reduce. prepare data -> model training + evaluation -> backtesting performance summary.

It figures out how wide to go by parsing the date range supplied as input parameter. Been running stuff like this for months but only recently did things just start... vanishing like this.

Would appreciate any help. Really need this to be more robust to make the case for company-wide adoption.
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Posted one month ago

nothing came up in the logs. all 200's

  
  
Posted one month ago

would it be on the pipeline task itself then, since that's what's disappearing?
I will do some experiment comparisons and see if there are package diffs. thanks for the tip.

  
  
Posted one month ago

would it be on the pipeline task itself then, since that's what's disappearing? that likely the case

  
  
Posted one month ago

Hi @<1689446563463565312:profile|SmallTurkey79> !
Prior runs of this pipeline worked just fine What SDK version were you using for the prior runs? Does this still happen if you revert to that version?
Can you provide a script that imitates what you are doing?
In the pipeline you are running, are you creating new tasks/pipelines/datasets?

  
  
Posted one month ago

odd bc I thought I was controlling this... maybe I'm wrong and the env is mis-set.
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Posted one month ago

are you running this locally or are you enqueueing the task (controller)?

  
  
Posted one month ago

did you take a look at my connect.sh script? I dont think it's a problem since only the controller task is the problem.

Is there some sort of culling procedure that kills tasks by any chance? the lack of logs makes me think it's something like that.

I can also try different agent versions.

  
  
Posted one month ago

the workers connect to the clearml server via ssh-tunnels, so they all talk to "localhost" despite being deployed in different places. each task creates artifacts and metrics that are used downstream

  
  
Posted one month ago

damn. I can't believe it. It disappeared again despite having 1.15.1 be the task's clearml version.
I'm going to try running the pipeline locally.

  
  
Posted one month ago

when i run the pipe locally, im using the same connect.sh script as the workers are in order to poll the apiserver via the ssh tunnel.

  
  
Posted one month ago

I will ask internally about this

  
  
Posted one month ago

yeah locally it did run. I then ran another via UI spawned from the successful one, it showed cached steps and then refused to run the bottom one, disappearing again. No status message, no status reason. (not running... actually dead)
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Posted one month ago
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