hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ChingShen <chingshenc...@gmail.com>
Subject Re: Hbase as Map/Reduce source
Date Fri, 29 Jan 2010 01:33:26 GMT
Hi,

Please see the link below:
http://hadoop.apache.org/hbase/docs/r0.20.2/api/org/apache/hadoop/hbase/mapreduce/TableInputFormatBase.html#getSplits%28org.apache.hadoop.mapreduce.JobContext%29

Shen

2010/1/29 <y_823910@tsmc.com>

> Hi,
>
> I want to understand clearly about Hbase as Map/Reduce source.
> Basicly, if a table with 100 regions, it means 100 map will be started,
> right?
> What's the difference between hdfs and hbase as a Map/Reduce source?
> Thanks
>
>
>
>
> Fleming Chiu(邱宏明)
> 707-6128
> y_823910@tsmc.com
> 週一無肉日吃素救地球(Meat Free Monday Taiwan)
>
>
>
>  ---------------------------------------------------------------------------
>                                                         TSMC PROPERTY
>  This email communication (and any attachments) is proprietary information
>  for the sole use of its
>  intended recipient. Any unauthorized review, use or distribution by anyone
>  other than the intended
>  recipient is strictly prohibited.  If you are not the intended recipient,
>  please notify the sender by
>  replying to this email, and then delete this email and any copies of it
>  immediately. Thank you.
>
>  ---------------------------------------------------------------------------
>
>
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message