Hi Vasyl, thx for your reply, I’ll check

> On 10 Jun 2019, at 14:22, Vasyl Bervetskyi <vb...@softserveinc.com> wrote:
> 
> Hi Rinat,
>  
> Savepoint need to be triggered when you want to create point in time which 
> you want to use in future to revert back your state, also you could cancel 
> job with savepoint which makes sure that you won’t lose any data during 
> canceling job.
>  
> About your question that flink delete metadata file: I am using Flink 1.8.0 
> and Flink deletes metadata file when I cancel job with savepoint, It seems 
> Flink doesn’t see any reason to keep checkpoint cause you created savepoint. 
> When you just cancel job without savepoint flink shouldn’t delete metadata 
> file from checkpoint.
> From: Rinat <r.shari...@cleverdata.ru> 
> Sent: Wednesday, June 5, 2019 4:36 PM
> To: user <user@flink.apache.org>
> Subject: [Flink 1.6.1] _metadata file in retained checkpoint
>  
> Hi mates, I’m trying to configure my job to retain checkpoints on it’s 
> cancellation and got some troubles.
>  
> I got the following args why not to use savepoints:
>  
>  1. we already have all the job state on DFS in checkpoints directory
>  2. I can multiply size of the state on 2, when stopping the job, because the 
> state is already stored in checkpoints dir, and I’ll save it one more time 
> into savepoint dir
>  3. creation of checkpoints is incremental and savepoints - is not, so in my 
> case (10 Tb state) the process of savepoint creation will took too long time
>  4. As I know, we can rescale or job from retained checkpoints
>  
> I've configured my job to retain checkpoints on job cancelation and found an 
> interesting issue - _metadata file is removed, when job is cancelled.
>  
> So, I couldn’t restore my job from the retained checkpoint, is it an expected 
> behaviour ? If so, what is wrong ?
>  
>  
> Sincerely yours,
> Rinat Sharipov
> Software Engineer at 1DMP CORE Team
>  
> email: r.shari...@cleverdata.ru <mailto:a.totma...@cleverdata.ru>
> mobile: +7 (925) 416-37-26
>  
> CleverDATA
> make your data clever

Sincerely yours,
Rinat Sharipov
Software Engineer at 1DMP CORE Team

email: r.shari...@cleverdata.ru <mailto:a.totma...@cleverdata.ru>
mobile: +7 (925) 416-37-26

CleverDATA
make your data clever

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