hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Doug Meil <doug.m...@explorysmedical.com>
Subject Re: HBase aggregate query
Date Mon, 10 Sep 2012 15:21:52 GMT

Hi there, if there are common questions I'd suggest creating summary
tables of the pre-aggregated results.

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

7.2.4. HBase MapReduce Summary to HBase Example




On 9/10/12 10:03 AM, "iwannaplay games" <funnlearnforkids@gmail.com> wrote:

>Hi ,
>
>I want to run query like
>
>select month(eventdate),scene,count(1),sum(timespent) from eventlog
>group by month(eventdate),scene
>
>
>in hbase.Through hive its taking a lot of time for 40 million
>records.Do we have any syntax in hbase to find its result?In sql
>server it takes around 9 minutes,How long it might take in hbase??
>
>Regards
>Prabhjot
>



Mime
View raw message