And I suspect I have throttled by DynamoDB stream, I contacted AWS support
but got no response except for increasing WCU and RCU.

Is it possible that Flink will lose exactly-once semantics when throttled?

On Thu, Sep 10, 2020 at 10:31 PM Jiawei Wu <wujiawei5837...@gmail.com>
wrote:

> Hi Andrey,
>
> Thanks for your suggestion, but I'm using Kinesis analytics application
> which supports only Flink 1.8....
>
> Regards,
> Jiawei
>
> On Thu, Sep 10, 2020 at 10:13 PM Andrey Zagrebin <azagre...@apache.org>
> wrote:
>
>> Hi Jiawei,
>>
>> Could you try Flink latest release 1.11?
>> 1.8 will probably not get bugfix releases.
>> I will cc Ying Xu who might have a better idea about the DinamoDB source.
>>
>> Best,
>> Andrey
>>
>> On Thu, Sep 10, 2020 at 3:10 PM Jiawei Wu <wujiawei5837...@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I'm using AWS kinesis analytics application with Flink 1.8. I am using
>>> the FlinkDynamoDBStreamsConsumer to consume DynamoDB stream records. But
>>> recently I found my internal state is wrong.
>>>
>>> After I printed some logs I found some DynamoDB stream record are
>>> skipped and not consumed by Flink. May I know if someone encountered the
>>> same issue before? Or is it a known issue in Flink 1.8?
>>>
>>> Thanks,
>>> Jiawei
>>>
>>

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