我一直在跟踪在库伯奈特斯博士上运行星火上的火花K8s v2.2.0-kubernetes-0.5.0,Kubernetes v1.9.0和Minikubev0.25.0。
我能够使用以下命令成功地运行Python作业:
bin/spark-submit \
--deploy-mode cluster \
--master k8s://https://10.128.0.4:8443 \
--kubernetes-namespace default \
--conf spark.executor.instances=1 \
--conf spark.app.name=spark-pi \
--conf spark.kubernetes.driver.docker.image=kubespark/spark-driver-py:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.executor.docker.image=kubespark/spark-executor-py:v2.2.0-kubernetes-0.5.0 \
--jars local:///opt/spark/examples/jars/spark-examples_2.11-2.2.0-k8s-0.5.0.jar \
local:///opt/spark/examples/src/main/python/pi.py 10我能够使用以下命令成功地运行具有本地依赖项的Java作业(在设置了资源暂存服务器之后):
bin/spark-submit \
--deploy-mode cluster \
--class org.apache.spark.examples.SparkPi \
--master k8s://https://10.128.0.4:8443 \
--kubernetes-namespace default \
--conf spark.executor.instances=1 \
--conf spark.app.name=spark-pi \
--conf spark.kubernetes.driver.docker.image=kubespark/spark-driver:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.executor.docker.image=kubespark/spark-executor:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.initcontainer.docker.image=kubespark/spark-init:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.resourceStagingServer.uri=http://10.128.0.4:31000 \
./examples/jars/spark-examples_2.11-2.2.0-k8s-0.5.0.jar可以使用本地依赖项运行Python作业吗?我试过这个命令,但失败了:
bin/spark-submit \
--deploy-mode cluster \
--master k8s://https://10.128.0.4:8443 \
--kubernetes-namespace default \
--conf spark.executor.instances=1 \
--conf spark.app.name=spark-pi \
--conf spark.kubernetes.driver.docker.image=kubespark/spark-driver-py:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.executor.docker.image=kubespark/spark-executor-py:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.initcontainer.docker.image=kubespark/spark-init:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.resourceStagingServer.uri=http://10.128.0.4:31000 \
./examples/src/main/python/pi.py 10我在司机的日志中得到了这个错误:
Error: Could not find or load main class .opt.spark.jars.RoaringBitmap-0.5.11.jar事件日志中的以下错误:
MountVolume.SetUp failed for volume "spark-init-properties" : configmaps "spark-pi-1518224354203-init-config" not found
...
MountVolume.SetUp failed for volume "spark-init-secret" : secrets "spark-pi-1518224354203-init-secret" not found发布于 2018-02-14 22:18:04
修复方法是通过--jars将示例jar作为依赖项提供
bin/spark-submit \
--deploy-mode cluster \
--master k8s://https://10.128.0.4:8443 \
--kubernetes-namespace default \
--conf spark.executor.instances=1 \
--conf spark.app.name=spark-pi \
--conf spark.kubernetes.driver.docker.image=kubespark/spark-driver-py:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.executor.docker.image=kubespark/spark-executor-py:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.initcontainer.docker.image=kubespark/spark-init:v2.2.0-kubernetes-0.5.0 \
--conf spark.kubernetes.resourceStagingServer.uri=http://10.128.0.4:31000 \
--jars local:///opt/spark/examples/jars/spark-examples_2.11-2.2.0-k8s-0.5.0.jar \
./examples/src/main/python/pi.py 10我不知道为什么要这样做(RoaringBitmap-0.5.11.jar应该存在于/opt/spark/jars中,在任何情况下都应该添加到类路径中),但这现在解决了我的问题。
https://stackoverflow.com/questions/48716630
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