XiDuo You created SPARK-36321:
---------------------------------
Summary: Do not fail application in kubernetes if name is too long
Key: SPARK-36321
URL: https://issues.apache.org/jira/browse/SPARK-36321
Project: Spark
Issue Type: Bug
Components: Kubernetes
Affects Versions: 3.3.0
Reporter: XiDuo You
If we have a long spark app name and start with k8s master, we will get the
execption.
{code:java}
java.lang.IllegalArgumentException:
'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-89fe2f7ae71c3570' in
spark.kubernetes.executor.podNamePrefix is invalid. must conform
https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#dns-label-names
and the value length <= 47
at
org.apache.spark.internal.config.TypedConfigBuilder.$anonfun$checkValue$1(ConfigBuilder.scala:108)
at
org.apache.spark.internal.config.TypedConfigBuilder.$anonfun$transform$1(ConfigBuilder.scala:101)
at scala.Option.map(Option.scala:230)
at
org.apache.spark.internal.config.OptionalConfigEntry.readFrom(ConfigEntry.scala:239)
at
org.apache.spark.internal.config.OptionalConfigEntry.readFrom(ConfigEntry.scala:214)
at org.apache.spark.SparkConf.get(SparkConf.scala:261)
at
org.apache.spark.deploy.k8s.KubernetesConf.get(KubernetesConf.scala:67)
at
org.apache.spark.deploy.k8s.KubernetesExecutorConf.<init>(KubernetesConf.scala:147)
at
org.apache.spark.deploy.k8s.KubernetesConf$.createExecutorConf(KubernetesConf.scala:231)
at
org.apache.spark.scheduler.cluster.k8s.ExecutorPodsAllocator.$anonfun$requestNewExecutors$2(ExecutorPodsAllocator.scala:367)
{code}
Use app name as the executor pod name is the Spark internal behavior and we
should not make application failure.
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