Any feedbaxk? On Tue, Jul 31, 2018, 10:20 AM Vishal Santoshi <vishal.santo...@gmail.com> wrote:
> In fact it may be available else where too ( for example ProcessFunction > etc ) but do we have no need to create one, it is just a data relay ( kafka > to hdfs ) and any intermediate processing should be avoided if possible > IMHO. > > On Tue, Jul 31, 2018 at 9:10 AM, Vishal Santoshi < > vishal.santo...@gmail.com> wrote: > >> We have a use case where multiple topics are streamed to hdfsand we would >> want to created buckets based on ingestion time ( the time the event were >> pushed to kafka ). Our producers to kafka will set that the event time >> >> >> https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/connectors/kafka.html#using-kafka-timestamps-and-flink-event-time-in-kafka-010 >> >> suggests that the the "previousElementTimeStamp" will provide that >> timestamp provided "EventTime" characteristic is set. It also provides for >> the element. In out case the element will expose setIngestionTIme(long >> time) method. Is the element in this method >> >> public long extractTimestamp(Long element, long previousElementTimestamp) >> >> passed by reference and can it be safely ( loss lessly ) mutated for >> downstream operators ? >> >> >> That said there is another place where that record time stamp is >> available. >> >> >> https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-kafka-0.9/src/main/java/org/apache/flink/streaming/connectors/kafka/internal/Kafka09Fetcher.java#L141 >> >> Is it possible to change the signature of the >> >> >> https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/util/serialization/KeyedDeserializationSchema.java#L46 >> >> to add record timestamp as the last argument ? >> >> Regards, >> >> Vishal >> >> >> >> >> >> >> >