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From Doug Meil <doug.m...@explorysmedical.com>
Subject Re: Is there a API to get all the columns of a column family
Date Tue, 14 Feb 2012 16:05:14 GMT

There are lots of examples of MapReduce using HBase here...

http://hbase.apache.org/book.html#mapreduce





On 2/14/12 3:30 AM, "hongqizh" <hqzhang@talend.com> wrote:

>>Why not?  It stops at a particular region?  Can you figure which one.
>>Is it not deployed anywhere?   Grep its name in master logs to see if
>>you can figure what happened to it?
>
>It seems that a StackOverflowError happened in my program.
>
>>I don't think we'll be adding such a call; it would imply a full scan
>>of the whole table to find every unique column of which there could be
>>millions.  If the table is big, it'd need to mapreduce for the result
>>to come back in any reasonable amount of time.
>
>Sorry, St.Ack ,  I'm not very clear about how to mapreduce for the result,
>could you explain more about the mapreduce or give me some link? Thanks
>again for your kind help!
>
>
>hongqi
>
>--
>View this message in context:
>http://apache-hbase.679495.n3.nabble.com/Is-there-a-API-to-get-all-the-col
>umns-of-a-column-family-tp3739607p3743029.html
>Sent from the HBase - Developer mailing list archive at Nabble.com.
>



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