hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GuoWei <wei....@wbkit.com>
Subject Re: Coreprocessor always scan the whole table.
Date Fri, 19 Apr 2013 11:58:47 GMT

We use base 0.94.1 in our production environment.


Best Regards / 商祺
郭伟 Guo Wei

在 2013-4-19,下午6:01,Ted Yu <yuzhihong@gmail.com> 写道:

> Which hbase version are you using ?
> 
> Thanks
> 
> On Apr 19, 2013, at 2:49 AM, GuoWei <wei.guo@wbkit.com> wrote:
> 
>> Hello,
>> 
>> We use HBase core processor endpoint  to process realtime data. But when I use coreprocessorExec
method to scan table and pass startRow and endRow. It always scan all table instead of the
result between the startRow and endRow. 
>> 
>> my code.
>> 
>> results = table.coprocessorExec(IEndPoint_SA.class,  startrow, endrow,
>>           new Batch.Call<IEndPoint_SA,Hashtable<String,Hashtable>>()
{
>>             public Hashtable<String,Hashtable> call(IEndPoint_SA instance)throws
IOException{
>>                 Hashtable<String,Hashtable> s = null;
>>               try {
>>                   s=instance.GetList();
>>               } catch (ParseException e) {
>>                   // TODO Auto-generated catch block
>>                   e.printStackTrace();
>>               }
>>               return s;
>>             }
>>           });
>> 
>> 
>> 
>> Best Regards / 商祺
>> 郭伟 Guo Wei
>> -----------------------------------------------------
> 


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