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From Carl Steinbach <c...@cloudera.com>
Subject Re: [Oozie-users] Re: periodic execution
Date Thu, 10 Feb 2011 08:59:46 GMT
Hi Balaji,

Just wanted to add that you should put your Hive configuration settings in
hive-site.xml. hive-default.xml is intended for default property values and
should not be modified by anyone other than Hive developers. Additionally,
it's likely that hive-default.xml will be deprecated in a future version of
Hive, in which case any changes you have made to hive-default.xml will be
ignored.

Thanks.

Carl

On Thu, Feb 10, 2011 at 12:51 AM, Alejandro Abdelnur <tucu@cloudera.com>wrote:

>
>
> Hi Balaji,
>
> The latest patch of the Hive action does not bundle hive-default.xml (got
> same feedback from Carl), you'll be responsible for bundling it in the WF
> directory until Hive JARs bundles it.
>
> I'll upload the new patch early next week and then ask Oozie it integrate
> it.
>
> Still the problem I have is that, AFAIK, not all Hadoop and Hive JARs are
> available in public Maven repositories currently used by Oozie build. I'll
> submit as part o the PR a separate commit that configures Oozie build to
> pull for Cloudera's Maven repositories where all JARs are available.
>
> Thanks.
>
> Alejandro
>
> On Thu, Feb 10, 2011 at 4:34 PM, Balaji Rajagopalan <
> balajirg@yahoo-inc.com> wrote:
>
>> Alejandro,
>>
>>    I have used your hive action patch from tucu’s forked branch in yahoo
>> github and it works fine, when will your patch be  available in the master
>> branch of yahoo github.  Also I have a small suggestion if I may,
>> hive-default.xml is bundled with the oozie-core.jar, instead can we have the
>> hive-default.xml is the same folder of workflow.xml in the hdfs, so when I
>> change the hive-default.xml I don’t have to bundle the jar again.
>>
>>
>>
>> Regards,
>>
>> Balaji
>>
>>
>>
>> *From:* Alejandro Abdelnur [mailto:tucu@cloudera.com]
>> *Sent:* Thursday, February 10, 2011 3:12 AM
>> *To:* user@hive.apache.org
>> *Subject:* Re: periodic execution
>>
>>
>>
>> Hi Cam,
>>
>>
>>
>> A bit of information that may be useful for you, Cloudera's Oozie has a
>> Hive action that you can use from workflow jobs.
>>
>>
>>
>> Cheers
>>
>>
>>
>> Alejandro
>>
>>
>>
>> On Wed, Feb 9, 2011 at 11:44 AM, Cam Bazz <cambazz@gmail.com> wrote:
>>
>> Hello,
>>
>> I am looking over oozie's coordinator. But meanwhile, I managed to
>> write a simple java program to connect to hive using jdbc.
>>
>> I can import data and execute queries.
>>
>> I was wondering, somewhat for doing workflows, one needs to keep
>> metadata, i.e. which was the last file, partition processed etc.
>>
>> I could do this usually using a database like db4o, and keeping a static
>> file.
>>
>> Is the derby database that comes with hive is for this purpose? how do
>> people usually store state when using a hive application?
>>
>> best regards,
>> -C.B.
>>
>>
>> On Wed, Feb 9, 2011 at 5:23 AM, Jeff Hammerbacher <hammer@cloudera.com>
>> wrote:
>> > Hey Cam,
>> > You should use Oozie's
>> > Coordinator: https://github.com/yahoo/oozie/wiki/Oozie-Coord-Use-Cases.
>> > Regards,
>> > Jeff
>> >
>> > On Tue, Feb 8, 2011 at 4:29 PM, Cam Bazz <cambazz@gmail.com> wrote:
>> >>
>> >> Hello,
>> >>
>> >> What kind of strategy must i follow, in order to periodically run
>> >> certain things.
>> >>
>> >> For example, each hour, i want to look up log files from certain dir,
>> >> and for new files, i need to run:
>> >>
>> >> load data local inpath '/home/cam/logs/log.2011310120' into table
>> >> item_view_raw partition (date_hour=2011310120);
>> >>
>> >> FROM item_view_raw ivr INSERT OVERWRITE TABLE item_view partition
>> >> (date_hour=2011310120) SELECT ivr.view_time, ivr.ip_number,
>> >> ivr.session_id, ivr.session_cookie, ivr.eser_sid, ivr.sale_status,
>> >> ivr.maker_name, ivr.title WHERE ivr.log_tag = 'PROD' and
>> >> ivr.date_hour='2011310120';
>> >>
>> >> obviously, i need to deduce which files are new, iterate over them,
>> >> and extract the time key, which will be used as a partition name, in
>> >> this case is: 2011310120
>> >>
>> >> It seems like i can write a java program to deal with the
>> >> syncronization of all these tasks, but i was wondering, what would you
>> >> guys suggest?
>> >>
>> >> Any ideas/recomendations/help greatly appreciated
>> >>
>> >> Best Regards,
>> >> C.B.
>> >
>> >
>>
>>
>>
>
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