You don’t need it but you can really mess up clusters by rolling back CRD
changes…
On Mon, 11 Sep 2023 at 19:42, Evgeniy Lyutikov <eblyuti...@avito.ru> wrote:
> Why we need to use latest CRD version with older operator version?
> ------------------------------
> *От:* Gyula Fóra <gyula.f...@gmail.com>
> *Отправлено:* 12 сентября 2023 г. 0:36:26
>
> *Кому:* Evgeniy Lyutikov
> *Копия:* user@flink.apache.org
> *Тема:* Re: Flink kubernets operator delete HA metadata after resuming
> from suspend
>
> Do not change the CRD but you can roll back the operator itself I believe
>
> Gyula
>
> On Mon, 11 Sep 2023 at 18:52, Evgeniy Lyutikov <eblyuti...@avito.ru>
> wrote:
>
>> Is it safe to rollback the operator version with replace to old CRDs?
>> ------------------------------
>> *От:* Evgeniy Lyutikov <eblyuti...@avito.ru>
>> *Отправлено:* 11 сентября 2023 г. 23:50:26
>> *Кому:* Gyula Fóra
>>
>> *Копия:* user@flink.apache.org
>> *Тема:* Re: Flink kubernets operator delete HA metadata after resuming
>> from suspend
>>
>>
>> Hi!
>> No, no one could restart jobmanager,
>> I monitored the pods in real time, they all deleted when suspended as
>> expected.
>>
>>
>> ------------------------------
>> *От:* Gyula Fóra <gyula.f...@gmail.com>
>> *Отправлено:* 11 сентября 2023 г. 20:34:52
>> *Кому:* Evgeniy Lyutikov
>> *Копия:* user@flink.apache.org
>> *Тема:* Re: Flink kubernets operator delete HA metadata after resuming
>> from suspend
>>
>> Hi!
>>
>> I could not reproduce your issue, last-state suspend/restore seems to
>> work as before.
>> However these 2 logs seem very suspicious:
>>
>> 2023-09-11 06:02:07,481 o.a.f.k.o.o.d.ApplicationObserver [INFO
>> ][rec-job/rec-job] Observing JobManager deployment. Previous status: MISSING
>> 2023-09-11 06:02:07,488 o.a.f.k.o.o.d.ApplicationObserver [INFO
>> ][rec-job/rec-job] JobManager is being deployed
>>
>> Looks like after suspending (and deleting the JobManager Deployment)
>> somebody restarted the JobManager manually. Is that possible?
>>
>> Cheers,
>> Gyula
>>
>> On Mon, Sep 11, 2023 at 2:59 PM Evgeniy Lyutikov <eblyuti...@avito.ru>
>> wrote:
>>
>>> Hi all!
>>> After updating the operator to version 1.6.0, suspended and resuming
>>> flink jobs stopped working.
>>> When job resumes, the high availability metadata is removed.
>>>
>>> Suspend job:
>>> 2023-09-11 06:01:41,548 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Event | Info | SPECCHANGED | UPGRADE
>>> change(s) detected (Diff: FlinkDeploymentSpec[job.state : running ->
>>> suspended]), starting reconciliation.
>>> 2023-09-11 06:01:41,548 o.a.f.k.o.r.d.AbstractJobReconciler [INFO
>>> ][rec-job/rec-job] Job is in running state, ready for upgrade with
>>> LAST_STATE
>>> 2023-09-11 06:01:41,558 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Event | Info | SUSPENDED | Suspending
>>> existing deployment.
>>> 2023-09-11 06:01:41,558 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Deleting cluster with Foreground propagation
>>> 2023-09-11 06:01:41,558 o.a.f.k.o.s.NativeFlinkService [INFO
>>> ][rec-job/rec-job] Deleting JobManager deployment while preserving HA
>>> metadata.
>>> 2023-09-11 06:01:41,598 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown...
>>> 2023-09-11 06:01:45,667 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown... (5s)
>>> 2023-09-11 06:01:50,730 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown... (10s)
>>> 2023-09-11 06:01:55,837 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown... (15s)
>>> 2023-09-11 06:02:00,885 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown... (20s)
>>> 2023-09-11 06:02:01,895 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Cluster shutdown completed.
>>> 2023-09-11 06:02:01,973 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Status | Info | SUSPENDED | The resource
>>> (job) has been suspended
>>> 2023-09-11 06:02:01,981 o.a.f.k.o.r.d.AbstractFlinkResourceReconciler
>>> [INFO ][rec-job/rec-job] Resource fully reconciled, nothing to do...
>>>
>>> Resume:
>>> 2023-09-11 06:02:07,481 o.a.f.k.o.o.d.ApplicationObserver [INFO
>>> ][rec-job/rec-job] Observing JobManager deployment. Previous status: MISSING
>>> 2023-09-11 06:02:07,488 o.a.f.k.o.o.d.ApplicationObserver [INFO
>>> ][rec-job/rec-job] JobManager is being deployed
>>> 2023-09-11 06:02:07,563 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Status | Info | SUSPENDED | The resource
>>> (job) has been suspended
>>> 2023-09-11 06:02:07,576 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Event | Info | SPECCHANGED | UPGRADE
>>> change(s) detected (Diff: FlinkDeploymentSpec[job.state : suspended ->
>>> running]), starting reconciliation.
>>> 2023-09-11 06:02:07,649 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Status | Info | UPGRADING | The resource is
>>> being upgraded
>>> 2023-09-11 06:02:07,649 o.a.f.k.o.r.d.ApplicationReconciler [INFO
>>> ][rec-job/rec-job] Deleting deployment with terminated application before
>>> new deployment
>>> 2023-09-11 06:02:07,649 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Deleting cluster with Foreground propagation
>>> 2023-09-11 06:02:07,649 o.a.f.k.o.s.NativeFlinkService [INFO
>>> ][rec-job/rec-job] Deleting JobManager deployment and HA metadata.
>>> 2023-09-11 06:02:07,691 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown...
>>> 2023-09-11 06:02:07,763 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Cluster shutdown completed.
>>> 2023-09-11 06:02:07,763 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Deleting Kubernetes HA metadata
>>> 2023-09-11 06:02:07,820 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Waiting for cluster shutdown...
>>> 2023-09-11 06:02:07,831 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Cluster shutdown completed.
>>> 2023-09-11 06:02:07,975 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Status | Info | UPGRADING | The resource is
>>> being upgraded
>>> 2023-09-11 06:02:07,987 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Event | Info | SUBMIT | Starting
>>> deployment
>>> 2023-09-11 06:02:07,987 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Deploying application cluster requiring last-state from
>>> HA metadata
>>> 2023-09-11 06:02:07,999 o.a.f.k.o.c.FlinkDeploymentController
>>> [ERROR][rec-job/rec-job] Flink recovery failed
>>> 2023-09-11 06:02:08,012 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Event | Warning | RESTOREFAILED | HA metadata not
>>> available to restore from last state. It is possible that the job has
>>> finished or terminally failed, or the configmaps have been deleted. Manual
>>> restore required.
>>> 2023-09-11 06:02:08,099 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Status | Error | UPGRADING |
>>> {"type":"org.apache.flink.kubernetes.operator.exception.RecoveryFailureException","message":"HA
>>> metadata not available to restore from last state. It is possible that the
>>> job has finished or terminally failed, or the configmaps have been deleted.
>>> Manual restore required.","additionalMetadata":{},"throwableList":[]}
>>> 2023-09-11 06:02:08,193 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Status | Info | UPGRADING | The resource is
>>> being upgraded
>>> 2023-09-11 06:02:08,218 o.a.f.k.o.l.AuditUtils [INFO
>>> ][rec-job/rec-job] >>> Event | Info | SUBMIT | Starting
>>> deployment
>>> 2023-09-11 06:02:08,218 o.a.f.k.o.s.AbstractFlinkService [INFO
>>> ][rec-job/rec-job] Deploying application cluster requiring last-state from
>>> HA metadata
>>> 2023-09-11 06:02:08,228 o.a.f.k.o.c.FlinkDeploymentController
>>> [ERROR][rec-job/rec-job] Flink recovery failed
>>>
>>>
>>>
>>>
>>> * ------------------------------ *“This message contains confidential
>>> information/commercial secret. If you are not the intended addressee of
>>> this message you may not copy, save, print or forward it to any third party
>>> and you are kindly requested to destroy this message and notify the sender
>>> thereof by email.
>>> Данное сообщение содержит конфиденциальную информацию/информацию,
>>> являющуюся коммерческой тайной. Если Вы не являетесь надлежащим адресатом
>>> данного сообщения, Вы не вправе копировать, сохранять, печатать или
>>> пересылать его каким либо иным лицам. Просьба уничтожить данное сообщение и
>>> уведомить об этом отправителя электронным письмом.”
>>>
>>
