Sure, will do that.

Thanks

On Mon, May 27, 2019 at 2:41 PM Kevin Ratnasekera <djkevincr1...@gmail.com>
wrote:

> Hi Lahiru,
>
> As per the offline chat we had, please start a new mail thread on adding
> design details, related to approach ( writing custom source and sink
> connectors [3] ) you have taken on implementation of Jet execution engine
> support. That way community can comment on your project work.
>
> [1] https://jet.hazelcast.org/connectors/batch-connectors/
>
> Regards
> Kevin
>
> On Sun, May 19, 2019 at 1:15 PM Lahiru Jayasekera <mlpjayasek...@gmail.com>
> wrote:
>
>> Hi all,
>> This is the[1] hdfs connector for hazelcast jet.
>>
>> Here the problem is hazelcast jet is using `org.apache.hadoop.mapred`
>> package and gora is using `org.apache.hadoop.mapreduce` package.
>>
>> These are two APIs exposed by hadoop to create hadoop jobs and etc.
>> Eventhough these two are similar in functionality, both the packages are
>> shiped with hadoop. See this answer[2],
>>
>> So I thought of writing an InputFormat for gora with the support of older
>> package(`org.apache.hadoop.mapred`).
>>
>> Please correct me if I'm going in the wrong direction. Your Feedback is
>> appreciated.
>>
>> [1] https://docs.hazelcast.org/docs/jet/0.7/manual/#hdfs
>> [2] https://stackoverflow.com/a/7600339
>>
>> Thanks and regards
>> Lahiru
>>
>> On Fri, Apr 26, 2019 at 6:32 PM Lahiru Jayasekera <
>> mlpjayasek...@gmail.com>
>> wrote:
>>
>> > Hi Madhawa,
>> > Sorry for the late reply. Sure I'll try that and let you know.
>> >
>> > Thanks
>> >
>> > On Tue, Apr 23, 2019 at 2:24 PM Madhawa Kasun Gunasekara <
>> > madhaw...@gmail.com> wrote:
>> >
>> >> Hi Lahiru,
>> >>
>> >> Good initiative.
>> >> It seems like we need to use hadoop-hdfs and hadoop common with version
>> >> 2.8.3. Try adding these dependencies, and exclude the old dependency
>> from
>> >> the gora, or otherwise, we can do a version upgrade in gora for
>> Hadoop. at
>> >> the moment we use Hadoop version 2.5.2 in gora but I prefer to upgrade
>> the
>> >> Hadoop versions in the gora to 2.8.3.
>> >>
>> >> Recently hazelcast developers released 3.0 version, We can try that
>> also.
>> >>
>> >> Thanks,
>> >> Madhawa
>> >>
>> >>
>> >> On Sat, Apr 6, 2019 at 9:53 PM Lahiru Jayasekera <
>> mlpjayasek...@gmail.com
>> >> >
>> >> wrote:
>> >>
>> >> > Hi all,
>> >> > I have come up with a poc for hazelcast jet execution engine support
>> for
>> >> > gora.
>> >> >
>> >> >
>> >>
>> https://github.com/LahiruJayasekara/gora/blob/poc-hazelcast-jet/gora-tutorial/src/main/java/org/apache/gora/tutorial/log/HazelcastJetPOC.java
>> >> >
>> >> > Here I have wrote a custom source for jet. What this does is read the
>> >> > AccessLog table created via LogManager example, and feed the PageView
>> >> > objects to jet.
>> >> >
>> >> > I have also looked into using hdfs connectors of jet. But I
>> encountered
>> >> a
>> >> > problem with conflicting hadoop versions. InputFormat class used in
>> >> gora is
>> >> > from pacjage 'org.apache.hadoop.mapreduce', but in jet it is '
>> >> > org.apache.hadoop.mapred.InputFormat'.
>> >> >
>> >> > Anyway the proposed poc works as expected. Please add your
>> suggestions
>> >> > here.
>> >> >
>> >> > Thanks and regards
>> >> >
>> >> > --
>> >> > Lahiru Jayasekara
>> >> > Batch 15
>> >> > Faculty of Information Technology
>> >> > University of Moratuwa
>> >> > 0716492170
>> >> >
>> >>
>> >
>> >
>> > --
>> > Lahiru Jayasekara
>> > Batch 15
>> > Faculty of Information Technology
>> > University of Moratuwa
>> > 0716492170
>> >
>>
>>
>> --
>> Lahiru Jayasekara
>> Batch 15
>> Faculty of Information Technology
>> University of Moratuwa
>> 0716492170
>>
>

-- 
Lahiru Jayasekara
Batch 15
Faculty of Information Technology
University of Moratuwa
0716492170

Reply via email to