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From DB Tsai <dbt...@dbtsai.com>
Subject Re: [parquet-dev] Will parquet support ETL tools like Hadoop Sqoop
Date Tue, 01 Oct 2013 04:47:51 GMT
I knew sqoop support avro directly, so it will be nice to see that
sqoop can support parquet since lots of organizations are using sqoop
as ETL solution. I'll try HCat, and report back.

Thanks.

Sincerely,

DB Tsai
-----------------------------------
Web: http://www.dbtsai.com
Phone : +1-650-383-8392


On Mon, Sep 30, 2013 at 7:44 PM, Venkat Ranganathan
<vranganathan@hortonworks.com> wrote:
> I have not explicitly tested this, but if Parquet has the hive serdes
> written for use with Hive, it should be possible to use the HCat integration
> to move data using Sqoop.
>
> https://sqoop.apache.org/docs/1.4.4/SqoopUserGuide.html#_sqoop_hcatalog_integration
>
> Thanks
>
>
> On Mon, Sep 30, 2013 at 6:09 PM, Jason Altekruse <altekrusejason@gmail.com>
> wrote:
>>
>> DB Tsai,
>>
>> I do not have experience with sqoop, but it looks like the process should
>> be pretty straightforward. As far as I can see sqoop can only export
>> delimited text or SequenceFile (
>> http://sqoop.apache.org/docs/1.4.4/SqoopUserGuide.html#_file_formats).
>> That
>> being said, both of these formats are readable by hive and pig. If you do
>> not mind doing a two pass conversion you can use sqoop to get your data
>> into HDFS in either of the formats and then use hive or pig to read them
>> and re-export into parquet. Depending on your cluster setup and use case I
>> would look at the various encodings and compressions offered in parquet,
>> as
>> these will need to be chosen when you write the files. In most cases
>> compression will save you time reading the data.
>>
>> Regards,
>> Jason Altekruse
>>
>>
>>
>>
>> On Mon, Sep 30, 2013 at 3:33 PM, Marcel Kornacker
>> <marcel@cloudera.com>wrote:
>>
>> > Cross-posting to Sqoop dev list.
>> >
>> > On Mon, Sep 30, 2013 at 12:03 PM, DB Tsai <dbtsai@dbtsai.com> wrote:
>> > > Hi parquet developers,
>> > >
>> > > Is there any way to use ETL tools like hadoop sqoop with parquet
>> > > format? If not, how do users dump the data from database to hdfs to do
>> > > further analysis now?
>> > >
>> > > Thanks.
>> > >
>> > > Sincerely,
>> > >
>> > > DB Tsai
>> > > -----------------------------------
>> > > Web: http://www.dbtsai.com
>> > >
>> > > --
>> > > http://parquet.github.com/
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>> >
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>> >
>
>
>
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