Hi Yu,
Our sink is actually Kafka hence we cannot query it properly, from there we
distribute it to different consumers. We keep info in our state such as
entry time, some accumulated data etc' , this data is not kept elsewhere
hence we need to query our state.

Best regards
Avi


On Thu, Jul 4, 2019 at 7:20 AM Yu Li <l...@apache.org> wrote:

> *This Message originated outside your organization.*
> ------------------------------
> Thanks for the ping Andrey.
>
> For me the general answer is yes, but TBH it will probably not be added in
> the foreseeable future due to lack of committer bandwidth (not only
> QueryableState with TTL but all about QueryableState module) as per
> Aljoscha pointed out in another thread [1].
>
> Although we could see emerging requirements and proposals on
> QueryableState recently, prioritizing is important for each open source
> project. And personally I think it may help if we could gather more and
> clearly describe the other-than-debugging use cases of QueryableState in
> production [2]. Could you share your case with us and why QueryableState is
> necessary rather than querying the data from sink @Avi? Thanks.
>
> [1] https://s.apache.org/MaOl
> <https://s.apache.org/MaOl>
> [2] https://s.apache.org/hJDA
> <https://s.apache.org/hJDA>
>
> Best Regards,
> Yu
>
>
> On Wed, 3 Jul 2019 at 23:13, Andrey Zagrebin <and...@ververica.com> wrote:
>
>> Hi Avi,
>>
>> It is on the road map but I am not aware about plans of any contributor
>> to work on it for the next releases.
>> I think the community will firstly work on the event time support for TTL.
>> I will loop Yu in, maybe he has some plans to work on TTL for the
>> queryable state.
>>
>> Best,
>> Andrey
>>
>> On Wed, Jul 3, 2019 at 3:17 PM Avi Levi <avi.l...@bluevoyant.com> wrote:
>>
>>> Hi,
>>> Adding queryable state to state with ttl is not supported at 1.8.0
>>> (throwing java.lang.IllegalArgumentException: Queryable state is currently
>>> not supported with TTL)
>>>
>>> I saw in previous mailing thread
>>> <http://mail-archives.apache.org/mod_mbox/flink-user/201808.mbox/%3c300f09f0-053e-43ba-a993-1259816ad...@data-artisans.com%3E>that
>>> it is on the roadmap. Is it still on the roadmap ?
>>>
>>> * There is a workaround which is using timers to clear the state, but in
>>> our case, it means firing billons of timers on daily basis all at the same
>>> time, which seems no to very efficient and might cause some resources
>>> issues
>>>
>>> Cheers
>>> Avi
>>>
>>>
>>>

Reply via email to