Thanks Tao for providing your internal use case.

I have create a ticket for this feature[1].

[1]. https://issues.apache.org/jira/browse/FLINK-24332

Best,
Yang

tao xiao <xiaotao...@gmail.com> 于2021年9月11日周六 上午10:18写道:

> Thanks David for the tips. We have been running Flink with no performance
> degradation observed in EMR (which is EBS attached) for more than 1 year
> therefore we believe the same performance can be applied in Kubernetes.
>
> On Sat, Sep 11, 2021 at 3:13 AM David Morávek <d...@apache.org> wrote:
>
>> OT: Beware that even if you manage to solve this, EBS is replicated
>> network storage, therefore rocksdb performance will be affected
>> significantly.
>>
>> Best,
>> D.
>>
>> On Fri 10. 9. 2021 at 16:19, tao xiao <xiaotao...@gmail.com> wrote:
>>
>>> The use case we have is to store the RocksDB sst files in EBS. The EC2
>>> instance type (m5) we use doesn't provide local disk storage therefore EBS
>>> is the only option to store the local sst file.
>>>
>>> On Fri, Sep 10, 2021 at 7:10 PM Yang Wang <danrtsey...@gmail.com> wrote:
>>>
>>>> I am afraid Flink could not support creating dedicated PVC for each
>>>> TaskManager pod now.
>>>> But I think it might be a reasonable requirement.
>>>>
>>>> Could you please share why you need to mount a persistent volume claim
>>>> per TaskManager?
>>>> AFAIK, the TaskManager will be deleted once it fails. You expect the
>>>> PVC to also be deleted. Right?
>>>>
>>>>
>>>> Best,
>>>> Yang
>>>>
>>>> Xiaolong Wang <xiaolong.w...@smartnews.com> 于2021年9月10日周五 下午2:37写道:
>>>>
>>>>> Hi,
>>>>>
>>>>>    I'm facing a tough question. I want to start a Flink Native
>>>>> Kubernetes job with each of the task manager pod mounted with an aws-ebs
>>>>> PVC.
>>>>>
>>>>>   The first thought is to use the pod-template file to do this, but it
>>>>> soon went to a dead end. Since the pod-template on each of the task 
>>>>> manager
>>>>> pod is the same, how can I mount different PVCs ?
>>>>>
>>>>>    This issue is quite puzzling, will you please help me ?
>>>>>
>>>>> Thanks in advance !
>>>>>
>>>>
>>>
>>> --
>>> Regards,
>>> Tao
>>>
>>
>
> --
> Regards,
> Tao
>

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