[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17152087#comment-17152087
]
Stephen Hopper commented on SPARK-31666:
Very well. Thank you for taking the time to consider this, [~dongjoon].
-Stephen
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
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https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17151363#comment-17151363
]
Dongjoon Hyun commented on SPARK-31666:
---
First of all, the following is Spark 2.4 behavior since 2.4.0. It's not a bug.
{quote}In Spark 2.4, the `LocalDirsFeatureStep` iterates through the list of
paths in `spark.local.dir`. For each one, it creates a Kubernetes volume of
mount type `emptyDir` with the name `spark-local-dir-${index}`.
{quote}
The following is a wrong use case because Spark 2.4.x features are not designed
for that.
{quote}The issue is that I need my Spark job to use paths from my host machine
that are on a mount point that isn't part of the directory which Kubernetes
uses to allocate space for `emptyDir` volumes. Therefore, I mount these paths
as type `hostPath` and ask Spark to use them as local directory space.
{quote}
Please note that the error message came from K8s. Apache Spark starts to
support your use case in Apache Spark 3.0 by adding new features.
I guess you are confused on the issue types in the open source projects. Not
only Apache Spark, All Apache Projects distinguishes `New Improvement` and `New
Feature` from `Bug`. Many new improvements and features are adding those kind
of unsupported stuffs inside old versions. We cannot backport everything into
old branches. All committers and developers are already moving to Apache Spark
3.1.0.
For the following, you misunderstand again. We didn't kill 2.4.x like 1.6.x.
Historically, 1.6 was killed at 1.6.3. For 2.4.x, you can still use Apache
Spark 2.4.6 and more. That's the reason why Apache Spark community declared 2.4
as LTS (long term support). [https://spark.apache.org/versioning-policy.html.]
We will maintain with critical bug fixes and security fixes like
[https://spark.apache.org/security.html] . However, 2.4.7 (or 2.4.8) will be
the same with 2.4.0~2.4.6 in terms of the features. That's the community policy.
> I feel giving folks 6 months to migrate from one Spark release to the next
>is fair, especially now considering how mature Spark is as a project. What are
>your thoughts on this?
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
>
[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17150622#comment-17150622
]
Dongjoon Hyun commented on SPARK-31666:
---
So, "Cannot map hostPath volumes to container" is a wrong claim. It's a fair
warning from K8s to prevent duplicated volume names. I'll close this issue.
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17150621#comment-17150621
]
Dongjoon Hyun commented on SPARK-31666:
---
Hi, [~hopper-signifyd]. I found what is going on there.
SPARK-23529 works correctly like the following.
{code}
# minikube ssh ls /data
SPARK-31666.txt
{code}
{code}
export HTTP2_DISABLE=true
bin/spark-submit \
--master k8s://$K8S_MASTER \
--deploy-mode cluster \
--name spark-pi \
--class org.apache.spark.examples.SparkPi \
--conf spark.kubernetes.driverEnv.HTTP2_DISABLE=true \
--conf spark.executor.instances=1 \
--conf spark.kubernetes.container.image=spark/spark:v2.4.6 \
--conf spark.kubernetes.executor.volumes.hostPath.data.mount.path=/data \
--conf spark.kubernetes.executor.volumes.hostPath.data.options.path=/data
\
local:///opt/spark/examples/jars/spark-examples_2.11-2.4.6.jar 1
{code}
{code}
# k exec po/spark-pi-1593729363998-exec-1 -- ls /data
SPARK-31666.txt
{code}
Please see the error message `Invalid value: "/tmp1": must be unique.`. The
error message occurs because `spark-local-dir-x` is already mounted as volume
name by Spark. You should not use the same name.
{code}
20/07/02 15:38:39 INFO LoggingPodStatusWatcherImpl: State changed, new state:
pod name: spark-pi-1593729518015-driver
namespace: default
labels: spark-app-selector -> spark-74b65a9a61cc46fd8bfc5e03e4b28bb8,
spark-role -> driver
pod uid: d838532b-eaa9-4b11-8eba-655f66965580
creation time: 2020-07-02T22:38:39Z
service account name: default
volumes: spark-local-dir-1, spark-conf-volume, default-token-n5wwg
node name: N/A
start time: N/A
container images: N/A
phase: Pending
status: []
{code}
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17150601#comment-17150601
]
Dongjoon Hyun commented on SPARK-31666:
---
I linked SPARK-23529 since `hostPath` is added there.
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17150599#comment-17150599
]
Dongjoon Hyun commented on SPARK-31666:
---
FYI, Apache Spark 2.4.0 was released at November 2, 2018. It's already over 18
months. Apache Spark community wants to service the users a little longer with
critical fixes like security and correctness issues. As a result, Apache Spark
2.4.7 will be released soon again.
{quote}Feature release branches will, generally, be maintained with bug fix
releases for a period of 18 months
{quote}
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17150596#comment-17150596
]
Dongjoon Hyun commented on SPARK-31666:
---
Apache Spark 3.0.0 is released last month and Apache Spark 3.1.0 is scheduled
on December 2020.
- https://spark.apache.org/versioning-policy.html
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes, Spark Core
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17104947#comment-17104947
]
Stephen Hopper commented on SPARK-31666:
I was able to fix the issue by patching Spark. As noted in this issue:
[https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/issues/828]
I applied versions of these two PRs (for Spark 3.0) (with some minor tweaks to
make them compatible with 2.4.5):
[https://github.com/apache/spark/pull/22323]
[https://github.com/apache/spark/pull/24879]
I then rebuilt Spark (as well as spark-submit and spark-operator) and it's
working now.
However, this is still going to be an issue for anyone on 2.4.5 as the docs
state that hostPath directories should be useable. Should I open a PR to
backport this fix for Spark 2.4.6? When is Spark 3.0 coming out?
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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[jira] [Commented] (SPARK-31666) Cannot map hostPath volumes to container
[
https://issues.apache.org/jira/browse/SPARK-31666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17104391#comment-17104391
]
Hyukjin Kwon commented on SPARK-31666:
--
No idea. Something must have been wrong.
> Cannot map hostPath volumes to container
>
>
> Key: SPARK-31666
> URL: https://issues.apache.org/jira/browse/SPARK-31666
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes
>Affects Versions: 2.4.5
>Reporter: Stephen Hopper
>Priority: Major
>
> I'm trying to mount additional hostPath directories as seen in a couple of
> places:
> [https://aws.amazon.com/blogs/containers/optimizing-spark-performance-on-kubernetes/]
> [https://github.com/GoogleCloudPlatform/spark-on-k8s-operator/blob/master/docs/user-guide.md#using-volume-for-scratch-space]
> [https://spark.apache.org/docs/latest/running-on-kubernetes.html#using-kubernetes-volumes]
>
> However, whenever I try to submit my job, I run into this error:
> {code:java}
> Uncaught exception in thread kubernetes-executor-snapshots-subscribers-1 │
> io.fabric8.kubernetes.client.KubernetesClientException: Failure executing:
> POST at: https://kubernetes.default.svc/api/v1/namespaces/my-spark-ns/pods.
> Message: Pod "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique. Received status: Status(apiVersion=v1, code=422,
> details=StatusDetails(causes=[StatusCause(field=spec.containers[0].volumeMounts[1].mountPath,
> message=Invalid value: "/tmp1": must be unique, reason=FieldValueInvalid,
> additionalProperties={})], group=null, kind=Pod,
> name=spark-pi-1588970477877-exec-1, retryAfterSeconds=null, uid=null,
> additionalProperties={}), kind=Status, message=Pod
> "spark-pi-1588970477877-exec-1" is invalid:
> spec.containers[0].volumeMounts[1].mountPath: Invalid value: "/tmp1": must be
> unique, metadata=ListMeta(_continue=null, remainingItemCount=null,
> resourceVersion=null, selfLink=null, additionalProperties={}),
> reason=Invalid, status=Failure, additionalProperties={}).{code}
>
> This is my spark-submit command (note: I've used my own build of spark for
> kubernetes as well as a few other images that I've seen floating around (such
> as this one seedjeffwan/spark:v2.4.5) and they all have this same issue):
> {code:java}
> bin/spark-submit \
> --master k8s://https://my-k8s-server:443 \
> --deploy-mode cluster \
> --name spark-pi \
> --class org.apache.spark.examples.SparkPi \
> --conf spark.executor.instances=2 \
> --conf spark.kubernetes.container.image=my-spark-image:my-tag \
> --conf spark.kubernetes.driver.pod.name=sparkpi-test-driver \
> --conf spark.kubernetes.namespace=my-spark-ns \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.mount.path=/tmp1
> \
> --conf
> spark.kubernetes.executor.volumes.hostPath.spark-local-dir-2.options.path=/tmp1
> \
> --conf spark.local.dir="/tmp1" \
> --conf spark.kubernetes.authenticate.driver.serviceAccountName=spark
> local:///opt/spark/examples/jars/spark-examples_2.11-2.4.5.jar 2{code}
> Any ideas on what's causing this?
>
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