Resurfacing The question to get more attention
Hello,
>
> im running Spark 2.3 job on kubernetes cluster
>>
>> kubectl version
>>
>> Client Version: version.Info{Major:"1", Minor:"9",
>> GitVersion:"v1.9.3", GitCommit:"d2835416544f298c919e2ead3be3d0864b52323b",
>> GitTreeState:"clean", BuildDate:"2018-02-09T21:51:06Z",
>> GoVersion:"go1.9.4", Compiler:"gc", Platform:"darwin/amd64"}
>>
>> Server Version: version.Info{Major:"1", Minor:"8",
>> GitVersion:"v1.8.3", GitCommit:"f0efb3cb883751c5ffdbe6d515f3cb4fbe7b7acd",
>> GitTreeState:"clean", BuildDate:"2017-11-08T18:27:48Z",
>> GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}
>>
>>
>>
>> when i ran spark submit on k8s master the driverpod is stuck in Waiting:
>> PodInitializing state.
>> I had to manually kill the driver pod and submit new job in this case
>> ,then it works.How this can be handled in production ?
>>
> This happens with executor pods as well
>
https://issues.apache.org/jira/plugins/servlet/mobile#issue/SPARK-25128
>
>
>>
>> This is happening if i submit the jobs almost parallel ie submit 5 jobs
>> one after the other simultaneously.
>>
>> I'm running spark jobs on 20 nodes each having below configuration
>>
>> I tried kubectl describe node on the node where trhe driver pod is
>> running this is what i got ,i do see there is overcommit on resources but i
>> expected kubernetes scheduler not to schedule if resources in node are
>> overcommitted or node is in Not Ready state ,in this case node is in Ready
>> State but i observe same behaviour if node is in "Not Ready" state
>>
>>
>>
>> Name: **********
>>
>> Roles: worker
>>
>> Labels: beta.kubernetes.io/arch=amd64
>>
>> beta.kubernetes.io/os=linux
>>
>> kubernetes.io/hostname=****
>>
>> node-role.kubernetes.io/worker=true
>>
>> Annotations: node.alpha.kubernetes.io/ttl=0
>>
>>
>> volumes.kubernetes.io/controller-managed-attach-detach=true
>>
>> Taints: <none>
>>
>> CreationTimestamp: Tue, 31 Jul 2018 09:59:24 -0400
>>
>> Conditions:
>>
>> Type Status LastHeartbeatTime
>> LastTransitionTime Reason Message
>>
>> ---- ------ -----------------
>> ------------------ ------ -------
>>
>> OutOfDisk False Tue, 14 Aug 2018 09:31:20 -0400 Tue, 31
>> Jul 2018 09:59:24 -0400 KubeletHasSufficientDisk kubelet has
>> sufficient disk space available
>>
>> MemoryPressure False Tue, 14 Aug 2018 09:31:20 -0400 Tue, 31
>> Jul 2018 09:59:24 -0400 KubeletHasSufficientMemory kubelet has
>> sufficient memory available
>>
>> DiskPressure False Tue, 14 Aug 2018 09:31:20 -0400 Tue, 31
>> Jul 2018 09:59:24 -0400 KubeletHasNoDiskPressure kubelet has no disk
>> pressure
>>
>> Ready True Tue, 14 Aug 2018 09:31:20 -0400 Sat, 11
>> Aug 2018 00:41:27 -0400 KubeletReady kubelet is posting
>> ready status. AppArmor enabled
>>
>> Addresses:
>>
>> InternalIP: *****
>>
>> Hostname: ******
>>
>> Capacity:
>>
>> cpu: 16
>>
>> memory: 125827288Ki
>>
>> pods: 110
>>
>> Allocatable:
>>
>> cpu: 16
>>
>> memory: 125724888Ki
>>
>> pods: 110
>>
>> System Info:
>>
>> Machine ID: *************
>>
>> System UUID: **************
>>
>> Boot ID: 1493028d-0a80-4f2f-b0f1-48d9b8910e9f
>>
>> Kernel Version: 4.4.0-1062-aws
>>
>> OS Image: Ubuntu 16.04.4 LTS
>>
>> Operating System: linux
>>
>> Architecture: amd64
>>
>> Container Runtime Version: docker://Unknown
>>
>> Kubelet Version: v1.8.3
>>
>> Kube-Proxy Version: v1.8.3
>>
>> PodCIDR: ******
>>
>> ExternalID: **************
>>
>> Non-terminated Pods: (11 in total)
>>
>> Namespace Name
>> CPU Requests CPU Limits Memory Requests Memory
>> Limits
>>
>> --------- ----
>> ------------ ---------- ---------------
>> -------------
>>
>> kube-system calico-node-gj5mb
>> 250m (1%) 0 (0%) 0 (0%) 0 (0%)
>>
>> kube-system
>> kube-proxy-**************************************** 100m (0%)
>> 0 (0%) 0 (0%) 0 (0%)
>>
>> kube-system
>> prometheus-prometheus-node-exporter-9cntq 100m (0%)
>> 200m (1%) 30Mi (0%) 50Mi (0%)
>>
>> logging
>> elasticsearch-elasticsearch-data-69df997486-gqcwg 400m (2%)
>> 1 (6%) 8Gi (6%) 16Gi (13%)
>>
>> logging fluentd-fluentd-elasticsearch-tj7nd
>> 200m (1%) 0 (0%) 612Mi (0%) 0 (0%)
>>
>> rook rook-agent-6jtzm
>> 0 (0%) 0 (0%) 0 (0%) 0 (0%)
>>
>> rook
>> rook-ceph-osd-10-6-42-250.accel.aws-cardda.cb4good.com-gwb8j 0 (0%)
>> 0 (0%) 0 (0%) 0 (0%)
>>
>> spark
>> accelerate-test-5-a3bfb8a597e83d459193a183e17f13b5-exec-1 2 (12%)
>> 0 (0%) 10Gi (8%) 12Gi (10%)
>>
>> spark
>> accelerate-testing-1-8ed0482f3bfb3c0a83da30bb7d433dff-exec-5 2 (12%)
>> 0 (0%) 10Gi (8%) 12Gi (10%)
>>
>> spark
>> accelerate-testing-2-8cecc18bb42f31a386c6304bd63e9eba-driver 1 (6%)
>> 0 (0%) 2Gi (1%) 2432Mi (1%)
>>
>> spark
>> accelerate-testing-2-e8bd0607cc693bc8ae25cc6dc300b2c7-driver 1 (6%)
>> 0 (0%) 2Gi (1%) 2432Mi (1%)
>>
>> Allocated resources:
>>
>> (Total limits may be over 100 percent, i.e., overcommitted.)
>>
>> CPU Requests CPU Limits Memory Requests Memory Limits
>>
>> ------------ ---------- --------------- -------------
>>
>> 7050m (44%) 1200m (7%) 33410Mi (27%) 45874Mi (37%)
>>
>>
>> Events: <none>
>>
>>
>> Kubectl describe pod gives below message
>>
>> Name:
>> accelerate-testing-2-8cecc18bb42f31a386c6304bd63e9eba-driver
>> Namespace: spark
>> Node: ****
>> Start Time: Mon, 13 Aug 2018 16:18:34 -0400
>> Labels:
>> launch-id=k8s-submit-service-cddf45ff-0d88-4681-af85-d8ed0359ce73
>>
>> spark-app-selector=spark-63f536fd87f8457796802767922ef7d9
>> spark-role=driver
>> Annotations: spark-app-name=accelerate-testing-2
>> Status: Pending
>> IP:
>> Init Containers:
>> spark-init:
>> Container ID:
>> Image: ****:v2.3.0
>> Image ID:
>> Port: <none>
>> Args:
>> init
>> /etc/spark-init/spark-init.properties
>> State: Waiting
>> Reason: PodInitializing
>> Ready: False
>> Restart Count: 0
>> Environment: <none>
>> Mounts:
>> /etc/spark-init from spark-init-properties (rw)
>> /var/run/secrets/kubernetes.io/serviceaccount from
>> spark-token-mj86g (ro)
>> /var/spark-data/spark-files from download-files-volume (rw)
>> /var/spark-data/spark-jars from download-jars-volume (rw)
>> Containers:
>> spark-kubernetes-driver:
>> Container ID:
>> Image: ******:v2.3.0
>> Image ID:
>> Port: <none>
>> Args:
>> driver
>> State: Waiting
>> Reason: PodInitializing
>> Ready: False
>> Restart Count: 0
>> Limits:
>> memory: 2432Mi
>> Requests:
>> cpu: 1
>> memory: 2Gi
>> Environment:
>> SPARK_DRIVER_MEMORY: 2g
>> SPARK_DRIVER_CLASS: com.myclass
>> SPARK_DRIVER_BIND_ADDRESS: (v1:status.podIP)
>> SPARK_MOUNTED_CLASSPATH:
>>
>> /var/spark-data/spark-jars/quantum-workflow-2.2.24.0-SNAPSHOT-assembly.jar:/var/spark-data/spark-jars/my.jar
>> SPARK_MOUNTED_FILES_DIR: /var/spark-data/spark-files
>> SPARK_JAVA_OPT_0:
>> -Dspark.kubernetes.container.image=***
>> SPARK_JAVA_OPT_1:
>> -Dspark.jars=s3a://my/my.jar,s3a://my/my1.jar
>> SPARK_JAVA_OPT_2: -Dspark.submit.deployMode=cluster
>> SPARK_JAVA_OPT_3:
>> -Dspark.driver.blockManager.port=7079
>> SPARK_JAVA_OPT_4: -Dspark.executor.memory=10g
>> SPARK_JAVA_OPT_5: -Dspark.app.id
>> =spark-63f536fd87f8457796802767922ef7d9
>> SPARK_JAVA_OPT_6:
>> -Dspark.kubernetes.authenticate.driver.serviceAccountName=spark
>> SPARK_JAVA_OPT_7: -Dspark.master=k8s://
>> https://kubernetes.default
>> SPARK_JAVA_OPT_8:
>> -Dspark.driver.host=spark-1534191513364-driver-svc.spark.svc
>> SPARK_JAVA_OPT_9: -Dspark.executor.cores=2
>> SPARK_JAVA_OPT_10:
>>
>> -Dspark.kubernetes.executor.podNamePrefix=accelerate-testing-2-8cecc18bb42f31a386c6304bd63e9eba
>> SPARK_JAVA_OPT_11: -Dspark.driver.port=7078
>> SPARK_JAVA_OPT_12: -Dspark.kubernetes.namespace=spark
>> SPARK_JAVA_OPT_13: -Dspark.executor.memoryOverhead=2g
>> SPARK_JAVA_OPT_14:
>>
>> -Dspark.kubernetes.initContainer.configMapName=accelerate-testing-2-8cecc18bb42f31a386c6304bd63e9eba-init-config
>> SPARK_JAVA_OPT_15:
>> -Dspark.kubernetes.initContainer.configMapKey=spark-init.properties
>> SPARK_JAVA_OPT_16: -Dspark.executor.instances=10
>> SPARK_JAVA_OPT_17: -Dspark.memory.fraction=0.6
>> SPARK_JAVA_OPT_18: -Dspark.driver.memory=2g
>> SPARK_JAVA_OPT_19: -Dspark.kubernetes.driver.pod.name
>> =accelerate-testing-2-8cecc18bb42f31a386c6304bd63e9eba-driver
>> SPARK_JAVA_OPT_20: -Dspark.app.name
>> =accelerate-testing-2
>> SPARK_JAVA_OPT_21:
>> -Dspark.kubernetes.driver.label.launch-id=********
>> Mounts:
>> /var/run/secrets/kubernetes.io/serviceaccount from
>> spark-token-mj86g (ro)
>> /var/spark-data/spark-files from download-files-volume (rw)
>> /var/spark-data/spark-jars from download-jars-volume (rw)
>> Conditions:
>> Type Status
>> Initialized False
>> Ready False
>> PodScheduled True
>> Volumes:
>> spark-init-properties:
>> Type: ConfigMap (a volume populated by a ConfigMap)
>> Name:
>> accelerate-testing-2-8cecc18bb42f31a386c6304bd63e9eba-init-config
>> Optional: false
>> download-jars-volume:
>> Type: EmptyDir (a temporary directory that shares a pod's
>> lifetime)
>> Medium:
>> download-files-volume:
>> Type: EmptyDir (a temporary directory that shares a pod's
>> lifetime)
>> Medium:
>> spark-token-mj86g:
>> Type: Secret (a volume populated by a Secret)
>> SecretName: spark-token-mj86g
>> Optional: false
>> QoS Class: Burstable
>> Node-Selectors: <none>
>> Tolerations: <none>
>> Events:
>> Type Reason Age From
>> Message
>> ---- ------ ---- ----
>> -------
>> Normal SandboxChanged 44m (x518 over 18h) kubelet,
>> **************************** Pod sandbox changed, it will be killed and
>> re-created.
>> Warning FailedSync 19s (x540 over 18h) kubelet,
>> **************************** Error syncing pod
>>
>>
