Hi Fabian.

        If I use ProcessFunction , I can get it! But I want to know  that how 
to get Kafka timestamp in like flatmap and map methods of datastream using 
scala programming language.
Thanks!

Best
Ben

> On Apr 4, 2018, at 7:00 PM, Fabian Hueske <[email protected]> wrote:
> 
> Hi Navneeth,
> 
> Flink's KafkaConsumer automatically attaches Kafka's ingestion timestamp if 
> you configure EventTime for an application [1].
> Since Flink treats record timestamps as meta data, they are not directly 
> accessible by most functions. You can implement a ProcessFunction [2] to 
> access the timestamp of a record via the ProcessFunction's Context object.
> 
> Best, Fabian
> 
> [1] 
> https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/connectors/kafka.html#using-kafka-timestamps-and-flink-event-time-in-kafka-010
>  
> <https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/connectors/kafka.html#using-kafka-timestamps-and-flink-event-time-in-kafka-010>
> [2] 
> https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/stream/operators/process_function.html#the-processfunction
>  
> <https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/stream/operators/process_function.html#the-processfunction>
> 
> 2018-03-30 7:45 GMT+02:00 Ben Yan <[email protected] 
> <mailto:[email protected]>>:
> hi,
> Is that what you mean?
> See : 
> https://issues.apache.org/jira/browse/FLINK-8500?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel&focusedCommentId=16377145#comment-16377145
>  
> <https://issues.apache.org/jira/browse/FLINK-8500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16377145#comment-16377145>
>  
> 
> Best
> Ben
> 
>> On 30 Mar 2018, at 12:23 PM, Navneeth Krishnan <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Hi,
>> 
>> Is there way to get the kafka timestamp in deserialization schema? All 
>> records are written to kafka with timestamp and I would like to set that 
>> timestamp to every record that is ingested. Thanks.
> 
> 

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