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From Yu Li <car...@gmail.com>
Subject Re: The question about the FLIP-45
Date Tue, 24 Mar 2020 04:14:01 GMT
Hi LakeShen,

Sorry for the late response.

For the first question, literally, the stop command should be used if one
means to stop the job instead of canceling it.

For the second one, since FLIP-45 is still under discussion [1] [2]
(although a little bit stalled due to priority), we still don't support
stop with (retained) checkpoint yet. Accordingly, there's no implementation
in our code base.

Best Regards,


On Thu, 19 Mar 2020 at 20:50, LakeShen <shenleifighting@gmail.com> wrote:

> Hi community,
> Now I am reading the FLIP-45 Reinforce Job Stop Semantic, I have three
> questions about it :
> 1. What the command to use to stop the Flink task, stop or cancel?
> 2. If use stop command to stop filnk task , but I see the flink source
> code , the stop command we can set the savepoint dir , if we didn't set it
> , the default savepoint dir will use . Both the target Savepoint  Dir or
> default savepoint dir are null , the flink will throw the exception. But in
> FLIP-45 , If retained checkpoint is enabled, we should always do a
> checkpoint when stopping job. I can't find this code.
> Thanks to your reply.
> Best regards,
> LakeShen

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