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Posted to user@flink.apache.org by Marco Villalobos <mv...@kineteque.com> on 2020/12/08 16:08:34 UTC

How long will keyed state exist if no TTL given?

After reading

https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/stream/state/state.html

It is unclear to me how long keyed state will exist if it has no TTL.
Is it cached forever, unless explicitly cleared or overwritten?

can somebody please explain to me?

Thank you.

Re: How long will keyed state exist if no TTL given?

Posted by Marco Villalobos <mv...@kineteque.com>.

Thank you for the clarification.

On Tue, Dec 8, 2020 at 8:14 AM Khachatryan Roman
<kh...@gmail.com> wrote:
>
> Hi Marco,
>
> Yes, if TTL is not configured then the state will never expire (will stay forever until deleted explicitly).
>
> Regards,
> Roman
>
>
> On Tue, Dec 8, 2020 at 5:09 PM Marco Villalobos <mv...@kineteque.com> wrote:
>>
>> After reading
>>
>> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/stream/state/state.html
>>
>> It is unclear to me how long keyed state will exist if it has no TTL.
>> Is it cached forever, unless explicitly cleared or overwritten?
>>
>> can somebody please explain to me?
>>
>> Thank you.

Re: How long will keyed state exist if no TTL given?

Posted by Khachatryan Roman <kh...@gmail.com>.

Hi Marco,

Yes, if TTL is not configured then the state will never expire (will stay
forever until deleted explicitly).

Regards,
Roman

On Tue, Dec 8, 2020 at 5:09 PM Marco Villalobos <mv...@kineteque.com>
wrote:

> After reading
>
>
> https://ci.apache.org/projects/flink/flink-docs-release-1.11/dev/stream/state/state.html
>
> It is unclear to me how long keyed state will exist if it has no TTL.
> Is it cached forever, unless explicitly cleared or overwritten?
>
> can somebody please explain to me?
>
> Thank you.
>