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Answered
Hey, So We Noticed The

Hey, so we noticed the /var/lib/docker/overlay2 directory on the clearml-server is growing a lot in size, we added more disk space but we want to put something in place to stop this growing too much.
These are the options I’ve looked into:

  1. docker system prune - removes all stopped containers, all networks not used by at least one container, all dangling images, all dangling build cache, Problem: we don’t really know what this is pruning
  2. docker image prune --all - removes all images without at least one container associated to them
  3. Set the max-size in docker-compose.yaml for logging

Are the first 2 options safe to run without killing the server? I’m not happy on removing files without knowing what they are.
Are there any plans to automate this in the future?

  
  
Posted 4 years ago
Votes Newest

Answers 43


strange, I used one of the publicly available AMIs for ClearML (we did not upgrade from the Trains AMI as started fresh)

  
  
Posted 4 years ago

@<1687643893996195840:profile|RoundCat60> you set it once, inside the docker-compose itself.. it will affect all docker containers but, to be honest, docker tends to log everything

  
  
Posted 4 years ago

Hey there waves

Not sure about plans to automate this in the future, as this is more how docker behaves and not really clearml, especially with the overlay2 filesystem. The biggest offender usually is your json logfiles. have a look in /var/lib/docker/containers/ for *.log

assuming this IS the case, you can tell docker to only log upto a max-size .. I have mine set to 100m or some such

  
  
Posted 4 years ago

yep, in most of them:

/opt/clearml/config
apiserver.conf
clearml.conf

/opt/clearml/data/elastic_7
/nodes

/opt/clearml/data/fileserver
<empty>

/opt/clearml/data/mongo/configdb
<empty>

/opt/clearml/data/mongo/db
collection/index files, /diagnostic.data, /journal etc

/opt/clearml/data/redis 
dump.rdb

/opt/clearml/logs
apiserver.log.x, filserver.log (0 bytes)
  
  
Posted 4 years ago

yeah, that's usually the case when you get an empty dashboard

  
  
Posted 4 years ago

you will probably want to find the culprit, so a find should work wonders. I probably suspect elasticsearch first. It tends to go nuts 😕

  
  
Posted 4 years ago

btw - if you remove the docker-compose changes, do the containers start normally?

  
  
Posted 4 years ago

Howdy and Morning @<1687643893996195840:profile|RoundCat60> .. docker when using overlay2 doesn't have it's mount points show up in a 'df' btw, they will only appear in a 'df -a', mostly because since they are simply 'overlays', they don't (technically) consume any space (I mean, the files are still in the /var/lib but not for the space counting practices used by df)

this is why I was suggesting a find, maybe with a 'du' .. actually.. let me try that here.. 2s

  
  
Posted 4 years ago

container_name:
  logging:
    options:
      max-size: 10m
  
  
Posted 4 years ago

I added this to each of the containers

    logging:
      options:
	    max-file: 5
        max-size: 10m
  
  
Posted 4 years ago

hey @<1687643893996195840:profile|RoundCat60> .. did you ever get the problem sorted ?

  
  
Posted 4 years ago

I think that if these directories are not mounted, you should first of all take care not to shut down the server. You'll probably want to exec /bin/bash into the mongo and elastic containers, and copy their data outside to the host storage

  
  
Posted 4 years ago

Not necessarily, is there any data in those directories?

  
  
Posted 4 years ago
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