Hi, as it turns out, we got two KIPs for the same Jira. KIP-160 duplicates KIP-132.
@Marc: as you did start the first KIP-132 but did not carry it on from some point on, I am wondering if you are still interested to work on it? Sorry for this mix up. Hope we can resolve this properly... -Matthias On 4/6/17 8:46 PM, Matthias J. Sax wrote: > Hi Marc, > > any update on this KIP? > > > -Matthias > > > On 3/20/17 3:02 PM, Eno Thereska wrote: >> Hi Marc, >> >> Could you add more information in the motivation of the KIP as to what >> problems this would solve? I can see how it can be done, but I don't yet >> grok why it's useful. The KIP should contain more pain points/problems and >> pose this as a solution. I know it's a small modification, but it's still >> important to have a good motivation IMO. >> >> Thanks >> Eno >> >>> On 20 Mar 2017, at 18:25, Matthias J. Sax <matth...@confluent.io> wrote: >>> >>> Sound reasonable Damian, but I guess, that's more a PR than KIP discussion. >>> >>> @Marc, I guess you can start a VOTE thread if there is no further feedback. >>> >>> >>> -Matthias >>> >>> On 3/20/17 7:06 AM, Damian Guy wrote: >>>> Hi Marc, >>>> >>>> Thanks for the KIP. It mostly looks good to me. The only thing i'd change >>>> is using a null argument to use a default mapping. IMO it would be better >>>> if the existing print() method delegates to the new one supplying a >>>> KeyValueMapper that does the right thing. >>>> >>>> Thanks, >>>> Damian >>>> >>>> On Sat, 18 Mar 2017 at 14:25 Marc Juchli <m...@marcjuch.li> wrote: >>>> >>>>> Thanks! >>>>> >>>>> I wanted to PING this thread. Not sure what the next steps of the KIP >>>>> process are? >>>>> >>>>> Kind regards, >>>>> Marc >>>>> >>>>> On Wed, Mar 15, 2017 at 9:13 PM Matthias J. Sax <matth...@confluent.io> >>>>> wrote: >>>>> >>>>>> Thanks for updating the KIP. >>>>>> >>>>>> It's in very good shape IMHO and I support this idea! >>>>>> >>>>>> >>>>>> >>>>>> -Matthias >>>>>> >>>>>> >>>>>> On 3/15/17 3:05 AM, Marc Juchli wrote: >>>>>>> Dear Matthias, >>>>>>> >>>>>>> The KIP is updated. I think it now contains all the information on that >>>>>>> page. >>>>>>> >>>>>>> Marc >>>>>>> >>>>>>> On Mon, Mar 13, 2017 at 9:37 PM Matthias J. Sax <matth...@confluent.io >>>>>> >>>>>>> wrote: >>>>>>> >>>>>>>> Marc, >>>>>>>> >>>>>>>> Thanks for the KIP. >>>>>>>> >>>>>>>> Can you please update the KIP in a way such that it is self contained. >>>>>>>> Right now, you link to all kind of other places making it hard to read >>>>>>>> the KIP. >>>>>>>> >>>>>>>> The KIP should be the "center of truth" -- if there is important >>>>>>>> information elsewhere, please c&p it into the KIP. >>>>>>>> >>>>>>>> >>>>>>>> Thanks a lot! >>>>>>>> >>>>>>>> >>>>>>>> -Matthias >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On 3/13/17 1:30 PM, Matthias J. Sax wrote: >>>>>>>>> Can you please add the KIP to this table: >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>> >>>>> https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals#KafkaImprovementProposals-KIPsunderdiscussion >>>>>>>>> >>>>>>>>> Thanks, >>>>>>>>> >>>>>>>>> Matthias >>>>>>>>> >>>>>>>>> >>>>>>>>> On 3/13/17 8:08 AM, Marc Juchli wrote: >>>>>>>>>> Dear all, >>>>>>>>>> >>>>>>>>>> The following describes KIP-132, which I just created. See: >>>>>>>>>> >>>>>>>> >>>>>> >>>>> https://cwiki.apache.org/confluence/display/KAFKA/KIP-132+-+Augment+KStream.print+to+allow+extra+parameters+in+the+printed+string >>>>>>>>>> >>>>>>>>>> Motivation >>>>>>>>>> >>>>>>>>>> As for now, KStream#print leads to a predefined output where key and >>>>>>>> value are >>>>>>>>>> printed with comma separation. >>>>>>>>>> KAFKA-4830 <https://issues.apache.org/jira/browse/KAFKA-4830> >>>>>> suggests >>>>>>>> to >>>>>>>>>> extend print in a way that it takes KeyValueMapper as a parameter. >>>>>>>>>> This will allow a user to change outputs according to the users >>>>>> demand. >>>>>>>>>> Public Interfaces >>>>>>>>>> >>>>>>>>>> The affected interface is KStream, which needs to be extended with >>>>>>>> another >>>>>>>>>> overloaded version of print: >>>>>>>>>> >>>>>>>>>> void print(final Serde<K> keySerde, >>>>>>>>>> final Serde<V> valSerde, >>>>>>>>>> final String streamName, >>>>>>>>>> final KeyValueMapper<K, V, String> mapper); >>>>>>>>>> >>>>>>>>>> Proposed Changes >>>>>>>>>> >>>>>>>>>> See pull request GH-2669 <https://github.com/apache/kafka/pull/2669 >>>>>> . >>>>>>>>>> This PR contains a discussion regarding KAFKA-4830 >>>>>>>>>> <https://issues.apache.org/jira/browse/KAFKA-4830> as well as >>>>>>>> KAFKA-4772 >>>>>>>>>> <https://issues.apache.org/jira/browse/KAFKA-4772>. >>>>>>>>>> >>>>>>>>>> Compatibility, Deprecation, and Migration Plan >>>>>>>>>> >>>>>>>>>> The extension of print will not introduce compatibility issues – we >>>>>> can >>>>>>>>>> maintain the current output by keeping the current output format as >>>>> a >>>>>>>>>> default (if mapper was not set): >>>>>>>>>> >>>>>>>>>> if(mapper == null) { >>>>>>>>>> printStream.println("[" + streamName + "]: " + keyToPrint + " , >>>>> " >>>>>>>>>> + valueToPrint); >>>>>>>>>> } else { >>>>>>>>>> printStream.println("[" + streamName + "]: " + >>>>>>>>>> mapper.apply(keyToPrint, valueToPrint)); >>>>>>>>>> } >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Kind regards, >>>>>>>>>> Marc >>>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >> >
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