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


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Re: Coreprocessor always scan the whole table.
Ted Yu 2013-04-19, 10:01
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
> -----------------------------------------------------