Rob Vesse created SPARK-25222:
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Summary: Spark on Kubernetes Pod Watcher dumps raw container status
Key: SPARK-25222
URL: https://issues.apache.org/jira/browse/SPARK-25222
Project: Spark
Issue Type: Improvement
Components: Kubernetes
Affects Versions: 2.3.1, 2.3.0
Reporter: Rob Vesse
Spark on Kubernetes provides logging of the pod/container status as a monitor
of the job progress. However the logger just dumps the raw container status
object leading to fairly unreadable output like so:
{noformat}
18/08/24 09:03:27 INFO LoggingPodStatusWatcherImpl: State changed, new state:
pod name: spark-groupby-1535101393784-driver
namespace: default
labels: spark-app-selector -> spark-47f7248122b9444b8d5fd3701028a1e8,
spark-role -> driver
pod uid: 88de6467-a77c-11e8-b9da-a4bf0128b75b
creation time: 2018-08-24T09:03:14Z
service account name: spark
volumes: spark-local-dir-1, spark-conf-volume, spark-token-kjxkv
node name: tab-cmp4
start time: 2018-08-24T09:03:14Z
container images: rvesse/spark:latest
phase: Running
status:
[ContainerStatus(containerID=docker://23ae58571f59505e837dca40455d0347fb90e9b88e2a2b145a38e2919fceb447,
image=rvesse/spark:latest,
imageID=docker-pullable://rvesse/spark@sha256:92abf0b718743d0f5a26068fc94ec42233db0493c55a8570dc8c851c62a4bc0a,
lastState=ContainerState(running=null, terminated=null, waiting=null,
additionalProperties={}), name=spark-kubernetes-driver, ready=true,
restartCount=0,
state=ContainerState(running=ContainerStateRunning(startedAt=Time(time=2018-08-24T09:03:26Z,
additionalProperties={}), additionalProperties={}), terminated=null,
waiting=null, additionalProperties={}), additionalProperties={})]
{noformat}
The {{LoggingPodStatusWatcher}} actually already includes code to nicely format
this information but only invokes it at the end of the job:
{noformat}
18/08/24 09:04:07 INFO LoggingPodStatusWatcherImpl: Container final statuses:
Container name: spark-kubernetes-driver
Container image: rvesse/spark:latest
Container state: Terminated
Exit code: 0
{noformat}
It would be nice if we continually used the nice formatting throughout the
logging.
We already have patched this on our internal fork and will upstream a fix
shortly.
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