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HBase, mail # user - Coreprocessor always scan the whole table.


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Re: Coreprocessor always scan the whole table.
GuoWei 2013-04-19, 11:58

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 <[EMAIL PROTECTED]> 写道:

> Which hbase version are you using ?
>
> Thanks
>
> On Apr 19, 2013, at 2:49 AM, GuoWei <[EMAIL PROTECTED]> 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
>> -----------------------------------------------------
>