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https://issues.apache.org/jira/browse/FLINK-15649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17163318#comment-17163318
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Andrey Zagrebin edited comment on FLINK-15649 at 7/23/20, 8:19 AM:
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I agree that mounting volumes is very useful to do even basic customisation of
Flink and its application. We also use mounting volumes a lot for documented
examples of how to use standalone container deployment (non-native k8s).
I briefly looked into the PR. It looks like we are re-implementing there
specification of all types of mounted volumes. It is a lot of code (already 850
new lines) to maintain and potentially extend with other volumes, possibly
introduced in future.
Therefore, I am also wondering whether we should actually firstly try to
introduce the pod template which enables even more customisation as I
understand. If we just document examples of how to write the basic templates
for basic customisation (e.g. volumes), this can already solve a lot. The pod
template looks universal and less to maintain.
[~fly_in_gis] [~felixzheng] As I understand the pod template design is in
progress. Are there fundamental concerns or blockers for the pod template in
1.12? Something with init containers?
was (Author: azagrebin):
I agree that mounting volumes is very useful to do even basic customisation of
Flink and its application. We also use mounting volumes a lot for documented
examples of how to use standalone container deployment (non-native k8s).
I briefly looked into the PR. It looks like we are re-implementing there
specification of all types of mounted volumes. It is a lot of code (already 850
new lines) to maintain and potentially extend with other volumes, possibly
introduced in future.
Therefore, I am also wondering whether we should actually firstly try to
introduce the pod template which enables even more customisation as I
understand. If we just document examples of how to write the basic templates
for basic customisation (e.g. volumes), this can already solve a lot. The pod
template sounds universal and less to maintain.
[~fly_in_gis] [~felixzheng] As I understand the pod template design is in
progress. Are there fundamental concerns or blockers for the pod template in
1.12? Something with init containers?
> Support mounting volumes
> -------------------------
>
> Key: FLINK-15649
> URL: https://issues.apache.org/jira/browse/FLINK-15649
> Project: Flink
> Issue Type: Sub-task
> Components: Deployment / Kubernetes
> Reporter: Canbin Zheng
> Priority: Major
> Labels: pull-request-available
>
> Add support for mounting K8S volumes, including emptydir, hostpath, pv etc.
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